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    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    TECHNICAL MANUAL

    CLEANING AND CORROSION CONTROL

    VOLUME IIAIRCRAFT

    01 MARCH 2005

    This publication supersedes NAVAIR 01-1A-509, 1 May 2001/TM 1-1500-344-23, 1 May 1996and NAVAIR 16-1-540/TM 1-1500-343-23/TO 1-1-689, dated 1 Sep 2000.

    DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

    DESTRUCTION NOTICE - For unclassified, limited documents, destroy by any method that will preventdisclosure of contents or reconstruction of the document.

    PUBLISHED BY DIRECTION OF COMMANDER, NAVAL AIR SYSTEMS COMMAND

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    01 March 2005 NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    A/(B Blank)

    LIST OF EFFECTIVE PAGES

    Dates of issue for original and changed pages are:

    Original ........................ 0 ......................... 01 Mar 2005

    Insert latest changed pages; dispose of superseded pages in accordance with applicable regulations.

    NOTE: On a changed page, the portion of the text affected by the latest change is indicated be a verticalline, or other change symbol in the outer margin of the page. Changes in illustrations are indicated byminiature pointing hands. Changes to wiring diagrams are indicated by shaded areas.

    Total number of pages in this manual is 214, consisting of the following:

    Page *Change Page *Change Page *ChangeNo. No. No. No. No. No.

    Title.........................................0 8-1 8-9 .........................0A .............................................0 8-10 Blank.......................0B Blank...................................0 9-1 9-16 .......................0i-vi Blank.................................0 A-1 A-32.......................0TPDR-1 .................................. 0 B-1 ................................. 0TDPR-2 Blank ........................ 0 B-2 Blank ....................... 0HMWS-1 HMWS-4.............. 0 B-3 ................................. 01-1 1-4................................. 0 B-4 Blank ....................... 02-1 2-27............................... 0 B-5 ..................................02-28 Blank ..............................0 B-6 Blank ........................03-1 3-7................................. 0 B-7 B-15.......................03-8 Blank ................................ 0 B-16 Blank ......................03-9 3-16............................... 0 B-17 B-19.....................04-1 4-21............................... 0 B-20 Blank ......................04-22 Blank ..............................0 B-21 B-27.....................05-1 5-6................................. 0 B-28 Blank ......................06-1 6-11............................... 0 B-29 ................................06-12 Blank ..............................0 B-30 Blank ......................07-1 7-23............................... 07-24 Blank ..............................0

    *Zero in this column indicates an original page.

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    01 March 2005

    LIST OF ILLUSTRATIONS .................................... .... iiiLIST OF TABLES.................................................... .... v

    LIST OF TECHNICAL PUBLICATIONSDEFICIANCE REPORTS (TPDR)INCORPORATED ............................TPDR-1

    WARNINGS APPLICABLE TO HAZARDOUSMATERIALS ...................................... HMWS-1

    1 INTRODUCTION

    1-1. General ........................................... 1-11-2. Purpose ........................................... 1-11-3. Scope .............................................. 1-11-4. Arrangement of Manual .................. 1-11-5. Related Publications....................... 1-1

    1-6. Consumables and Equipment ........ 1-1

    2 CLEANING AND LUBRICATION

    2-1. Introduction ..................................... 2-12-2. Reasons for Cleaning ..................... 2-12-3. Frequency of Cleaning ................... 2-12-4. Water Quality .................................. 2-22-5. Cleaning Compounds ..................... 2-22-6. Steam Cleaning ............................ 2-102-7. Cleaning Equipment ..................... 2-102-8. Equipment Operating Procedures 2-112-9. Cleaning Procedures .................... 2-152-10. Fresh Water Rinsing ..................... 2-232-11. Post Cleaning Procedures ........... 2-242-12. Treatment and Disposal of

    Wash Rack Waste...................... 2-252-13. Lubricants ..................................... 2-25

    3 INSPECTION AND CORROSIONPRONE AREAS

    SECTION I. INSPECTION ......................... 3-1

    3.1. General ........................................... 3-1

    3-2. Inspection Methods ......................... 3-23-3. Evaluation of Corrosion Damage .... 3-73-4. Degrees of Corrosion ...................... 3-7

    SECTION II. CORROSIONPRONE AREAS ...................................... 3-9

    3-5. Common Corrosion Prone Areas .... 3-9

    4 CORROSION REMOVAL

    4-1. Purpose ........................................... 4-14-2. Responsibility ................................. 4-14-3. Corrective Action ............................ 4-14-4. Composite Surfaces ....................... 4-14-5. Metallic Surfaces ............................ 4-14-6. Mechanical Paint Removal ............. 4-14-7. Chemical Paint Removal ................ 4-54-8. Corrosion Removal ......................... 4-94-9. Damage Limits .............................. 4-164-10. Surface Finish ............................... 4-164-11. Corrosion Removal Procedures ... 4-16

    5 SURFACE TREATMENT

    5-1. Purpose ........................................... 5-15-2. Surface Preparation ....................... 5-15-3. Precautions ..................................... 5-25-4. Chemical Conversion Coating ....... 5-25-5. Post Treatment ............................... 5-65-6. Temporary Preservation ................. 5-6

    6 TREATMENT OF SPECIFIC AREAS

    6-1. Introduction ..................................... 6-16-2. Battery Compartments, Boxes,

    and Adjacent Areas...................... 6-16-3. Relief Tube Areas ........................... 6-26-4. Steel Cables ................................... 6-36-5. Piano Type Hinges ......................... 6-36-6. Integral and External Fuel Tanks

    and Drop Tanks............................ 6-36-7. Faying Surfaces and

    Attachment Points ........................ 6-36-8. Rubber, Natural and Synthetic....... 6-46-9. Potable Water Tanks ...................... 6-56-10. Surfaces and Components

    Exposed to Exhaust Gases,Gun Gases, and Rocket Blast ..... 6-5

    6-11. Electrical and ElectronicEquipment .................................... 6-56-12. Structural Tubing Members and

    Assemblies ................................... 6-56-13. Non-Structural Tubing Members and

    Assemblies ................................... 6-66-14. Thin Metal (0.0625 Inch

    Thickness and Less) .................... 6-8

    TABLE OF CONTENTS

    Chapter Page Chapter Page

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    6-15. Air Intake Ducts for Jet Aircraft ...... 6-86-16. Closely Coiled Springs ................... 6-96-17. Depleted Uranium

    Counterweights ............................ 6-96-18. Monel Rivets ................................... 6-96-19. Beryllium-Copper Alloys ................. 6-9

    6-20. EMI Seals and Gaskets ................ 6-10

    7 SEALANTS

    7-1. Purpose ........................................... 7-17-2. Applications ..................................... 7-17-3. Sealant Packaging .......................... 7-17-4. Sealing Compounds and

    Materials ....................................... 7-17-5. Sealing Equipment ......................... 7-47-6. Sealant Mixing and Handling ....... 7-127-7. Sealant Application Procedures ... 7-147-8. Sealing of Specific Areas ............. 7-16

    7-9. Storage of Sealants ...................... 7-21

    8 PRESERVATION

    8-1. Introduction ..................................... 8-18-2. Operational Preservation ............... 8-18-3. Non-Operational Preservation ....... 8-18-4. Types of CPCs................................ 8-18-5. Time Limitations of CPCs............... 8-18-6. Description of CPCs ....................... 8-18-7. Preservation of Specific Areas....... 8-58-8. Preservation Application

    Methods ........................................ 8-5

    8-9. Application of Polish and Wax ....... 8-88-10. Preservation of Assemblies and

    Parts Removed fromAircraft During Maintenance ........ 8-8

    9 EMERGENCY PROCEDURES

    9-1. Purpose ........................................... 9-19-2. Responsibility .................................. 9-19-3. Emergency Preparations ................ 9-19-4. General Procedures ........................ 9-39-5. General Cleaning Procedures ........ 9-59-6. Removal of Fire Extinguishing

    Agents .......................................... 9-79-7. Treatment After Landing on a

    Foamed Runway ........................ 9-109-8. Treatment After Exposure to

    Volcanic Ash .............................. 9-109-9. Treatment of Specific Areas ......... 9-10

    APPENDIX A. SUPPLEMENTAL REQUIREMENTSFOR NAVY AIRCRAFT

    SECTION I. PAINT FINISHES ANDTOUCH-UP PROCEDURES................... A-1

    A-1. Scope .............................................. A-1A-2. Safety .............................................. A-1A-3. Storage and Shelf Life .................... A-1A-4. Paint Systems ................................. A-2A-5. Paint Equipment ............................. A-4A-6. General Maintenance

    Requirements for PaintSpray Equipment.......................... A-7

    A-7. Preparation of Surfaces forPainting ........................................ A-9

    A-8. General Paint ApplicationProcedures ................................. A-10

    A-9. Touch-Up of Small Areas

    (Less Than Two Square Feet) ... A-17A-10. Specific Coating Processes ......... A-21

    SECTION II. AIRCRAFT ANDENGINE CLEANING ............................. A-31

    A-11. Scope ............................................ A-31A-12. Aircraft Cleaning ........................... A-31A-13. Equipment for Engine Cleaning ... A-31

    APPENDIX B. SUPPLEMENTAL REQUIREMENTSFOR ARMY AIRCRAFT

    B-1. Scope .............................................. B-1

    SECTION I. AIRCRAFTFINISH COATING ................................... B-3

    B-2. Painting and Touch-Up ofArmy Aircraft, Chemical AgentResistant Coating Finish .............. B-3

    SECTION II. CLEANING ............................ B-5

    B-3. Frequency of Cleaning ................... B-5

    SECTION III. CORROSION REMOVALAND SURFACE TREATMENT ............... B-7

    B-4. Chemical CorrosionRemoval and PrepaintTreatment of Aluminum Alloys .... B-7

    B-5. Chemical CorrosionRemoval and Treatment ofMagnesium Alloys ........................ B-8

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    B-6. Chemical CorrosionRemoval and Treatment ofFerrous Metals Other thanStainless Steel ........................... B-10

    B-7. Chemical CorrosionRemoval and Treatment of

    Stainless Steel and NickelBase Alloys................................. B-11B-8. Chemical Corrosion Removal and

    Treatment of Copper andCopper Base Alloys ................... B-13

    B-9. Chemical Corrosion Removal andTreatment of Titanium andTitanium-Base Alloys ................. B-14

    B-10. Chemical Corrosion Removal andTreatment of Plated andPhosphated Surfaces ................ B-14

    SECTION IV.TREATMENT OF

    SPECIFIC AREAS ................................ B-17

    B-11. Purpose ......................................... B-17B-12. Corrosion Treatment of Specific

    Type Tubing ............................... B-17B-13. Corrosion Removal from

    Thin Metal................................... B-19B-14. Corrosion and Paint Removal from

    Metal ComponentsRemoved from Aircraft ............... B-19

    B-15. Air Intake Ducts - Jet Aircraft ....... B-19B-16. Closely Coiled Springs ................. B-19B-17. Corrosion Treatment of

    Steel Cables ............................... B-19

    SECTION V. DECONTAMINATIONPROCEDURES FOR SALT WATER ANDMICROBIOLOGICAL GROWTHCONTAMINATION................................ B-21

    B-18. General ......................................... B-21

    B-19. Salt Water Contamination ............ B-21B-20. Microbiological GrowthContamination of Fuel Cells ...... B-22

    B-21. Removal of MicrobiologicalGrowths ...................................... B-24

    SECTION VI. IDENTIFICATIONOF METALS.......................................... B-25

    B-22. General ......................................... B-25B-23. Primary Classification ................... B-25B-24. Chemical Spot Analysis ............... B-25B-25. Testing Procedures for

    Types of Surface Treatment ...... B-25B-26. Contents of Metal

    Identification Kit.......................... B-25

    SECTION VI. CONSUMABLEMATERIALS.......................................... B-29

    ALPHABETICAL INDEX ................................. Index-1

    Figure Title Page Figure Title Page

    LIST OF ILLUSTRATIONS

    2-1. Foam Generating Cleaning Unit(15 Gallons) ............................................. 2-12

    2-2. Foam Generating Cleaning Unit(45 Gallons) ............................................. 2-13

    2-3. Use of Aircraft Washing Applicator ............ 2-182-4. Aircraft Cleaning Procedure ....................... 2-192-5. Automatic Water Spray Nozzle .................. 2-20

    3-1. Measuring Corrosion with a Depth Gage .... 3-33-2. Fiber Optic Borescope.................................. 3-33-3. Optical Depth Micrometer ............................ 3-53-4. Usage of Straight Edge to

    Determine if Suspect Areas HaveBeen Previously Reworked ...................... 3-7

    3-5. Corrosion Around Fasteners ........................ 3-93-6. Galvanic Corrosion of Aluminum Alloy

    Sheet Adjacent to Steel Fasteners .......... 3-93-7. Spot Weld Corrosion .................................. 3-10

    3-8. Spot Welded Skin Corrosion Mechanism .. 3-103-9. Gun Blast Area ........................................... 3-103-10. Exhaust Trail Area ...................................... 3-103-11. P-3 Nose Landing Gear Wheel Well .......... 3-113-12. Flaps Lowered to Expose Recess Areas ... 3-113-13. Jet Engine Frontal Area ............................. 3-113-14. Corrosion in Air Intake Duct ....................... 3-123-15. Corrosion Prone Points of Air and

    Engine Inlet ............................................. 3-12

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    3-16. Wing Fold Joint ........................................... 3-133-17. Hinge Corrosion Points .............................. 3-13

    3-18. Piano Hinge Lugs ....................................... 3-133-19. Control Cables ............................................ 3-133-20. Typical Corrosion Around a

    Relief Tube Vent ..................................... 3-143-21. Common Water Entrapment Areas ............ 3-143-22. Helicopter Bilge Area.................................. 3-143-23. Battery Compartment ................................. 3-15

    4-1. Masking Around Area to be Stripped ........... 4-84-2. Bristle Discs Stacked on

    Mandrel Assembly .................................. 4-114-3. Scotch-Brite Flap Brush and Mandrel .... 4-134-4. Abrasive Flap Wheels with Spindle Mount 4-14

    4-5. Abrasive Equipment ................................... 4-154-6. Shaping Reworked Areas .......................... 4-174-7. Acceptable Clean-up of Pitting

    Corrosion of Critical Structure ................ 4-184-8. Clean-Up of Limited Clearance Areas ....... 4-18

    5-1. A Water Break-Free SurfaceCompared with One with Breaks .............. 5-2

    5-2. Touch-N-Prep (TNP) Pen ............................. 5-45-3. Application of TNP Pen on

    Aluminum Substrate ................................. 5-45-4. Magnesium Treatment Kit ............................ 5-5

    6-1. Beryllium-Copper Spiral Contact withEnvironmental Fluorosilicone Seal ......... 6-11

    6-2. Dorsal Longeron EMI Seal ......................... 6-116-3. Stainless Steel EMI Screen ....................... 6-116-4. Bonding Cable From Airframe to

    Graphite/Epoxy Avionics Bay Door ........ 6-116-5. EMI Bonding Washers in Avionics Bay ..... 6-11

    7-1. Pneumatic Sealant Gun ............................... 7-47-2. Manual Sealant Gun ..................................... 7-5

    7-3. Sealant Application Nozzles ........................ 7-67-4. Sealant and Adhesive Smoothing Tools...... 7-7

    7-5. Countersink Application Nozzles ................. 7-87-6. Rivet Application Nozzles............................. 7-97-7. High-Pressure Sealant Injection Guns ...... 7-107-8. Injection Style Semkit ................................. 7-117-9. Application of Sealant with

    Non-Metallic Spatulaa............................. 7-157-10. Faying Surface Sealing .............................. 7-177-11. Typical Fillet Seal ....................................... 7-187-12. Typical Injection Seal ................................. 7-187-13. Typical Methods of Sealing Fasteners ...... 7-197-14. Typical Lap Skin Sealing ............................ 7-217-15. Sealing Procedures for Typical

    Aircraft Fitting .......................................... 7-21

    7-16. Typical Spar Cap Sealing........................... 7-227-17. Sealing of Access Doors ............................ 7-23

    A-1. HVLP Spray Gun .......................................... A-4A-2 HVLP Spray Gun Parts Breakdown ............. A-6A-3. 3M PPS Mounted on a Spray Gun ............... A-7A-4. Zahn No. 2 Viscosity Cup ............................ A-7A-5 Wet Film Thickness Gage ............................. A-8A-6. Paint Gun Washer ......................................... A-9A-7. Obtaining Correct Spray Pattern ................. A-11A-8. Estimating Distance to Surface ................... A-14A-9 Parallel Movement of Spray Gun ................ A-14A-10. Avoid Arcing the Spray Gun........................ A-14A-11. Spraying Corners ........................................ A-14A-12. Improper Spray Angle ................................ A-14A-13. Triggering the Spray Gun ........................... A-14A-14. Proper Spray Pattern Overlap.................... A-15A-15. Sempen (Touch-up Pens) .......................... A-18A-16. Sempen Parts Breakdown ......................... A-18A-17. Sempen Mixing ........................................... A-18A-18. Sempen Application ................................... A-19A-19. Jet Engine Corrosion Control Cart ............. A-31A-20. Corrosion Control Spray Unit ..................... A-32

    Figure Title Page Figure Title Page

    LIST OF ILLUSTRATIONS

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    LIST OF TABLES

    Table Title Page Table Title Page

    1-1. Outline of Volume II ...................................... 1-21-2. Related Navy Publications ........................... 1-3

    1-3. Related Army Publications ........................... 1-4

    2-1. Water Quality Guidelines................................ 2-22-2. Cleaning of Specific Areas and

    Components .............................................. 2-42-3. Recommended Dilution of

    Low Temperature Cleaner ...................... 2-232-4. Common Military Greases and Their Uses.. 2-27

    3-1. Inspection Equipment and Techniques ....... 3-2

    4-1. Recommended Powered Abrasives forCorrosion Removal ................................... 4-2

    4-2. Recommended Non-PoweredAbrasives for Corrosion Removal ............ 4-3

    4-3. Grades of Abrasive Mats............................ 4-104-4. Grades of Steel Wool ................................. 4-10

    5-1. Prepaint Treatments for Metal Surfaces...... 5-1

    7-1. Sealing Compounds ..................................... 7-27-2. Time Requirements for Sealants

    When Used at 75F (24C) and 50%Relative Humidity .................................... 7-13

    8-1. Time Limitations for CPCs ........................... 8-28-2 Aircraft Corrosion Preventive

    Compounds ............................................... 8-38-3. Preservation of Specific Areas and

    Components .............................................. 8-6

    9-1. Suggested Priority Removal Guide forEmergency Treatment of Aircraft ............. 9-2

    9-2. Suggested List of EmergencyReclamation Items .................................... 9-4

    A-1. Primary Coatings Used on U.S. NavyAircraft ....................................................... A-3

    A-2. Original Coating Systems andCorresponding Touch-up Systems ........... A-4

    A-3. Troubleshooting Faulty Spray Patterns ..... A-12A-4. Paint Finish Problems ................................ A-16

    B-1. Control of the Dissolving Action ofNitric-Hydrofluoric Acid Solution ............ B-12

    B-2. Metal Identif ication Kit ................................ B-27B-3. Consumable Materials ................................ B-29

    v/(vi Blank)

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    Report Control Number (RCN) Location

    NADEP JACKSONVILLE

    65886 2002 0523 Pg 3-565886 2002 0524 Pg 3-565886 2002 0526 Pg 3-865886 2002 0527 Pg 3-765886 2002 0530 Pg 5-2865886 2002 0531 Pg 5-3065886 2002 0532 Pg 7-765886 2002 0574 Pg 3-3

    NATEC DET NEW ORLEANS30338 2001 N009 Pg 5-430338 2001 N010 Pg 5-4

    HELANTISUBRON FIFTEEN09205 2001 0032 Pg 5-32, 7-12

    AIMD NAS PENSACOLA, FL52814-2000-0022 Pg 9-2

    Report Control Number (RCN) Location

    NATEC SAN DIEGO

    32379-01-9000 Pg B

    NASA DFRC OI32379-01-9002 Pg B

    AIMD NORTH ISLAND44326-01-0163 Pg B44326-01-0179 Pg B

    NATEC DISTRIBUTION32379-02-0294 Pg B

    AIRTEVRON 23

    39783 2004 0041 Pg B

    LIST OF TECHNICAL PUBLICATIONS DEFICIENCY REPORTS INCORPORATED

    TPDR-1/(TPDR-2 Blank)

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    HMWS-1

    01 March 2005 NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    WARNINGS APPLICABLE TO HAZARDOUS MATERIALS

    4. EXPLANATION OF HAZARDOUS MATERIALSICONS.

    Chemical

    The symbol of a liquid dripping onto ahand shows that the material will causeburns or irritation to human skin or tissue.

    Cryogenic

    The symbol of a hand in a block of iceshows that the material is extremely coldand can injure human skin or tissue.

    Explosion

    This rapidly expanding symbol showsthat the material may explode if subjectedto high temperature, sources of ignitionor high pressure.

    Eye Protection

    The symbol of a person wearing goggles

    shows that the material will injure theeyes.

    Fire

    The symbol of a fire shows that thematerial may ignite or overheat and causeburns.

    Poison

    The symbol of a skull and crossbonesshows that the material is poisonous oris a danger to life.

    Vapor

    The symbol of a human figure in a cloudshows that material vapors present adanger to life or health.

    1. Warnings and cautions for hazardous materialslisted are designed to apprise personnel of hazards

    associated with such items when they come in contactwith them by actual use. Additional information relatedto hazardous materials is provided in Section X of thismanual, Navy Hazardous Material Control ProgramNAVSUPPINST 5100.27, Navy Occupational Safetyand Health (NAVOSH) Program Manuals OPNAVINST5100.23 (Ashore) and OPNAVINST 5100.19 (Afloat)and the DOD 6050.5 Hazardous Materials InformationSystem (HMIS) series publications. For eachhazardous material used within the Navy, a MaterialSafety Data Sheet (MSDS) must be provided andavailable for review by users. Consult your localsafety and health staff concerning any questions

    regarding hazardous materials, MSDS, personalprotective equipment requirements, appropriatehandling and emergency procedures and disposalguidance.

    2. Under the heading HAZARDOUS MATERIALSWARNINGS, complete warnings, including relatedicon(s) and a numeric identifier, are provided forhazardous materials used in this manual. The numericidentifiers have been assigned to the hazardousmater ial in alphabet ical order by mater ialnomenclature. Each hazardous material is assignedonly one numerical identifier. Repeat use of a specifichazardous material references the numeric identifierassigned at its initial appearance. The approved iconsand their application are shown below.

    3. In the text of the manual, the caption WARNINGis not used for hazardous material warnings. Hazardsare cited with appropriate icon(s), the nomenclatureof the hazardous material and the numeric identifierthat relates to the complete warning. Users ofhazardous materials shall refer to the completewarnings, as necessary.

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    HMWS-2

    01 March 2005NAVAIR 01-1A-509-2TM 1-1500-344-23-2

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    niks,eyenadna,cixotsi,UTRII/IIepyT40758-FRP-LIM,dnuopmocgninaelC.tnatirritcartyrotaripserdna

    esuacyamtcatnocdegnolorP.gnihtolcdnaniks,seyehtiwtcatnocdiovAsdnahhsaW.saeradetalitnevllewniylnoesU.sropavgnihtaerbdiovA.sititamredpeeK.esu-ererofebgnihtolcdetanimatnocrednuaL.esuretfaylhguoroht

    .aeradetalitnevllew,yrd,loocanierotS.esunitonnehwdesolcsreniatnoc

    evitcetorpdna,dleihsecaf,sevolgrebbur,selggoglacimehcraeW:noitcetorPylroopnideriuqeregdirtracropavcinagrohtiwrotaripserksam-flah;gnihtolc

    .saeradetalitnev

    rofretawfostnuomaegralhtiwyletaidemmihsulf,sruccotcatnoceyefIpaoshtiwhsaw,sruccotcatnocniksfI.noitnettalacidemkeesdnasetunim51otretawevig,detsegnifI.seohsdnagnihtolcdetanimatnocevomer,retawdna,srucconoitalahnifI.gnitimovecudnitonoD.noitnettalacidemkeesdnaknird

    .riahserfotaeramorfevomer

    HAZARDOUS MATERIALS WARNINGS

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    HAZARDOUS MATERIALS WARNINGS (Cont.)

    XEDNI LAIRETAM GNINRAW

    4 ,dnuopmoCevitneverPnoisorroCIIepyT90318-C-LIM

    IIIepyTdna

    ,cixotsi,IIIepyTdnaIIepyT90318-C-LIM,dnuopmocevitneverpnoisorroC.tnatirritcartyrotaripseradna,elbammalf

    .seyednanikshtiwtcatnocdiovA TONOD .taehro,skraps,emalfneporaenesu

    .stnegagnizidixohtiwtcatnocdiovA.detingifiedolpxeyamsnoitalumuccaropaVretawdnapaoshtiwylhguorohtsdnahhsaW.saeradetalitnevllewniylnoesU

    .esunitonnehwdesolcylthgitreniatnocpeeK.esuretfa

    yrotarobaldnadleihsecaf;sevolgrebburdnaselggoglacimehcraeW:noitcetorPhtiwrotaripserksam-flah;seititnauqegralhtiwgnikrownehwderiuqernorpasnoitarepogniyarpsgnirudderiuqerretliferptsimdnaegdirtracropavcinagro/dica

    .saeradetalitnevylroopniro

    rofretawfostnuomaegralhtiwyletaidemmihsulf,sruccotcatnoceyefIpaoshtiwhsaw,sruccotcatnocniksfI.noitnettalacidemkeesdnasetunim51ecudnitonod,detsegnifI.seohsdnagnihtolcdetanimatnocevomer,retawdnaotaeramorfevomer,srucconoitalahnifI.noitnettalacidemkees,gnitimov

    .riahserf

    5 ,dnuopmoCevitneverPnoisorroC

    45058-LTD-LIM

    adna,elbammalf,cixotsi,45058-LTD-LIM,dnuopmocevitatneverpnoisorroC.tnatirritcartyrotaripser

    .niksdnaseyehtiwtcatnocdiovA TONOD .taehro,skraps,emalfneporaenesuretawdnapaoshtiwylhguorohtsdnahhsaW.saeradetalitnevllewniylnoesU

    .esunitonnehwdesolcylthgitreniatnocpeeK.esuretfa

    .sevolgrebburdnaselggoglacimehcraeW:noitcetorP

    rofretawfostnuomaegralhtiwyletaidemmihsulf,sruccotcatnoceyefIpaoshtiwhsaw,sruccotcatnocniksfI.noitnettalacidemkeesdnasetunim51ecudnitonod,detsegnifI.seohsdnagnihtolcdetanimatnocevomer,retawdnaotaeramorfevomer,srucconoitalahnifI.noitnettalacidemkees,gnitimov

    .riahserf

    6 ,dnuopmoCevitneverPnoisorroC

    37161-FRP-LIM4dna,2,1edarG

    adna,elbammalf,cixotsi,37161-FRP-LIM,dnuopmocevitatneverpnoisorroC.tnatirritcartyrotaripser

    .niksdnaseyehtiwtcatnocdiovA TONOD .taehro,skraps,emalfneporaenesu

    retawdnapaoshtiwylhguorohtsdnahhsaW.saeradetalitnevllewniylnoesUhtiwtcatnocdiovA.esunitonnehwdesolcylthgitreniatnocpeeK.esuretfa

    .stnegagnizidixo

    ;sevolgrebburdna,norpayrotarobal,selggoglacimehcraeW:noitcetorP-flah;seititnauqegralhtiwgnikrownehwderiuqernorpayrotarobaldnadleihsecaf

    deriuqerretliferptsimdnaegdirtracropavcinagro/dicahtiwrotaripserksam.saeradetalitnevylroopnirosnoitarepogniyarpsgnirud

    rofretawfostnuomaegralhtiwyletaidemmihsulf,sruccotcatnoceyefIpaoshtiwhsaw,sruccotcatnocniksfI.noitnettalacidemkeesdnasetunim51ecudnitonod,detsegnifI.seohsdnagnihtolcdetanimatnocevomer,retawdnaotaeramorfevomer,srucconoitalahnifI.noitnettalacidemkees,gnitimov

    .riahserf

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    HAZARDOUS MATERIALS WARNINGS (Cont.)

    XEDNI LAIRETAM GNINRAW

    7 lareneG,tnegreteDesopruP

    )cinoinoN,diuqiL(

    IepyT19761-D-LIM

    .tnatirriniksdnaeyenasi,19761-D-LIM,dnuopmocgninaelC

    rognizidixognortshtiwtcatnocdiovA.gnihtolcdnaniks,seyehtiwtcatnocdiovAreppocotevisorrocsilairetaM.secruostaehmorfyawaerotS.stnegagnicuder

    .sdoirepegarotsgnolrevossarbdna.sevolgrebburdnaselggoglacimehcraeW:noitcetorP

    rofretawfostnuomaegralhtiwyletaidemmihsulf,sruccotcatnoceyefIpaoshtiwhsaw,sruccotcatnocniksfI.noitnettalacidemkeesdnasetunim51

    .retawdna

    8 gnisaergeD,tnevloSIIepyT086-FRP-LIM

    IIIepyTdna

    dnaniksadna,elbammalfsi,IIIdnaIIepyT086-FRP-LIM,tnevlosgnisaergeDIIIepyTnaht)F041(tniophsalfrewolasahIIepyT.tnatirritcartyrotaripser

    .)F002(

    TONOD .taehroskraps,emalfneporaenesu TONOD rofshtolccitehtnysesu.tnevlossihthtiwgnipiw TONOD diovA.tnevlosgnisunehwknirdrotae,ekoms

    lateM.saeradetalitnevllewniylnoesU.stnegagnizidixognortshtiwtcatnoc

    .serifdnagnikrapstneverpotdednuorgebllahstnevlosgniniatnocsreniatnoc ,sititamredesuacnachcihw,tcatnocniksdnaropavfognihtaerbdegnolorpdiovAlanitsetni-ortsagesuaclliwnoitsegnI.ssenizziddnataorhtdnaesondetatirri

    .noitatirri

    evitcetorpdnadleihsecaf;selggoglacimehcdnasevolglytubraeW:noitcetorProtaripserksam-flah;detcepxeroelbissopsignihsalpsnehwderiuqergnihtolc

    .saeradetalitnevylroopnideriuqeregdirtracropavcinagrohtiw

    rofretawfostnuomaegralhtiwyletaidemmihsulf,sruccotcatnoceyefIpaoshtiwhsaw,sruccotcatnocniksfI.noitnettalacidemkeesdnasetunim51otretawevig,detsegnifI.seohsdnagnihtolcdetanimatnocevomer,retawdna,srucconoitalahnifI.gnitimovecudnitonoD.noitnettalacidemkeesdnaknird

    .riahserfotaeramorfevomer

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    CHAPTER 1INTRODUCTION

    This volume was prepared under the technical cognizance of theMaterials Engineering Division, NAVAIR North Island, San Diego, California.

    1-1. GENERAL. Military aviation is recognized for itsunique and complex set of challenges, including maritimepatrol operation requirements and powerfulelectromagnetic operating fields. The highly constrainedmaintenance infrastructure available to deployed unitsto combat corrosion can limit the effectiveness ofprevention and corrosion control. The materials used toconstruct military aircraft also contribute to corrosion.High strength steels used in landing gear and launch/recovery systems are sensitive to pitting and stresscorrosion cracking, which can lead to catastrophic failure.Aluminum alloys susceptible to exfoliation andintergranular corrosion are commonly found on wing

    skin and other load carrying structures. Evenmagnesium, one of the most corrosion sensitive metalsknown, is still used in canopy frames and gear boxes.Added to this is the ever increasing age of militaryaircraft and the need to comply with stricter environmentalregulations. All of these factors combine to makecorrosion prevention and control a significant factor inthe safe and economic operation of military aircraft.

    1-2. PURPOSE. The purpose of this manual is toprovide information on materials and procedures toprevent, control, and repair corrosion damage to aircrafton land or at sea.

    1-3. SCOPE. The material in this manual containsbasic corrosion prevention and corrective maintenanceinformation to be used at Organizational, Intermediate,and Depot levels.

    1-4. ARRANGEMENT OF MANUAL.

    1-4.1. A complete set of manuals to perform aircraftcleaning and corrosion control functions consists ofVolumes I, II, and IV.

    1-4.2. ARRANGEMENT OF VOLUME II. Volume IIconsists of nine chapters and two appendices, arranged

    as shown in Table 1-1.

    1-5. RELATED PUBLICATIONS. Tables 1-2 (Navy)and 1-3 (Army) list technical publications that may beused as supplemental references by personnel involvedin cleaning and corrosion control.

    1-6. CONSUMABLES AND EQUIPMENT.Procurement information for ordering consumables andequipment referenced in this volume may be found inVolume IV (Navy and Army) of this manual.

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    Table 1-1. Outline of Volume II

    RETPAHC ELTIT NOITPIRCSEDFEIRB

    1 noitcudortnI .emulovsihtfotuoyaldnaepocsehtstneserpretpahcsihT

    2 noitacirbuLdnagninaelC ehtnidesuebotslairetamdna,sdohtem,serudecorpdetpeccaseniltuoretpahcsihT.tfarcriafonoitacirbuldnagninaelcecnanetniam

    3 noisorroCdnanoitcepsnIsaerAenorP

    dna)InoitceS(noisorrocgnitcetedrofseuqinhcetnoitcepsnisebircsedretpahcsihT.)IInoitceS(saeraenorpnoisorrocsessucsid

    4 lavomeRnoisorroC .egamadnoisorrocfolavomerehtrofsdohtemdevorppaehtseniltuoretpahcsihT

    5 tnemtaerTecafruS .stnemtaertecafrusfonoitacilppaehtsebircsedretpahcsihT

    6 cificepSfotnemtaerTsaerA

    tsniagagnitcetorpdnagnitaertrofserudecorpdednemmocerehtsebircsedretpahcsihT.saeracificepsninoisorroc

    7 stnalaeS gnilaesfonoitacilppaehtrofserudecorpdnaslairetamdednemmocersrevocretpahcsihT.serutcurtstfarcriaotsdnuopmoc

    8 noitavreserP ehtnidesuebotslairetamdna,sdohtem,serudecorpdetpeccaseniltuoretpahcsihT.tfarcriafonoitavreserp

    9 serudecorPycnegremE ottfarcriafoerusopxeretfadewollofebotserudecorpycnegremeseniltuoretpahcsihT

    .stnegagnihsiugnitxeerifro,noisremmiretaw,retawtlasAxidneppA yratnemelppuS

    yvaNrofstnemeriuqeRtfarcriA

    noitaivayvaNotcificepsserudecorpdnaslairetamnonoitamrofnisedivorpxidneppasihT,tfarcriayvaNnodesueratahtsmetsystniapdevorppaehtsebircsedoslatI.tnempiuqednalanoitazinagrOybdesuebotmetsyspuhcuotehtrofserudecorpdeliatedsevigdna.32-543-0051-55MTotreferdluohslennosrepymrA.ecnanetniamfosleveletaidemretnI

    BxidneppA yratnemelppuSymrArofstnemeriuqeR

    tfarcriA

    noitaivaymrAotcificepsserudecorpdnaslairetamnonoitamrofnisedivorpxidneppasihT.tnempiuqe

    xednIlacitebahplA .launaMehtnistcejbuscificepssetacolxednisihT

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    Table 1-2. Related Navy Publications

    REBMUN ELTIT

    RL-5.0506DoD )M&CMH(tnemeganaMdnalortnoClairetaMsuodrazaH

    6.5506DDoD margorPsecivreSycnegremEdnaeriFDoD595-DTS-DEF kcednaFroloC

    46281-F-LIM folortnoCdnanoitacilppA,metsySsnopaeW,cinagrO,sehsiniF

    1612-DTS-LIM tfarcriAsproCeniraMdnayvaN.S.UrofsgnikraMroiretxEdnasemehcStniaP

    000-MPO-CJ014-OA BPIhtiwsnoitcurtsnIecnanetniaMdnanoitarepO,citamuenP,pmuPgnihtaerB

    8.0015VANPO margorPhtlaeHdnaytefaSlanoitapuccOdnaytefaSyvaN

    41-R08-00AN launaMeucseRdnagnithgiferiFtfarcriAyvaN.S.USPOTAN

    1-A1-10AN riapeRtfarcriArofkoobdnaHgnireenignEdnalaunaMlareneG,riapeRlarutcurtS

    21-A1-10AN scitsalPtnerapsnarTforiapeRdnaecnanetniaM,noitacirbaF

    61-A1-10AN launaMlacinhceTsdohteMnoitcepsnIevitcurtseD-noN

    71-A1-10AN sleveLtopeD/etaidemretnI/lanoitazinagrO,launaMsciluardyHnoitaivA

    12-A1-10AN launaMriapeRetisopmoClareneG

    53-A1-10AN topeDdna,etaidemretnI,lanoitazinagrO,sknaTlanretxE/lanretnIdnaslleCleuFtfarcriA snoitcurtsnIecnanetniaM

    025-A1-10AN tfarcriAdekraPfognitsorfeDdna,gnicieD,gnici-itnA

    005-10-51AN tfarcriAlavaNfonoitavreserP

    521-1-71AN ,snoitcurtsnIecnanetniaM,lortnoCnoisorroCdnagninaelCtnempiuqEtroppuSdnuorG

    sleveLetaidemretnIdnalanoitazinagrO1-MB5-71AN snoitcurtsnIluahrevOdnaecivreS,noitarepO,elbatroP,)tsalB-ucaV(enihcaMgninoHyrD

    2-MB5-71AN ecivreSdnanoitarepOkoobdnaH,yranoitatS,)24521ledoM(enihcaMgninoHyrD nwodkaerBstraPdetartsullIhtiwnoitcurtsnI

    3-MB5-71AN snoitcurtsnIluahrevOdnaecivreS,noitarepO,)oreZ(enihcaMgninoHyrD

    1-6-22-006-71AN tsilkcehClanoitarepo-erP,elbatroP,)tsalB-ucaV/oreZ(enihcaMgninoHyrD

    2-6-22-006-71AN stnemeriuqeRecnanetniaMcidoireP,elbatroP,)tsalB-ucaV/oreZ(enihcaMgninoHyrD

    2-6-191-006-71AN retsalBxoBevolGaideMcitsalP,launaMstnemeriuqeRecnanetniaMcidoireP )8484-CRP(

    1-D02-91AN snoitcurtsnIecivreSdnanoitarepO,traClortnoCnoisorroCenignEteJ2-D02-91AN ecnanetniaMetaidemretnIdnanoitarepO,detnuoMreliarT,lortnoCnoisorroC,tinUyarpS

    000-MPO-RDCBN-1AAN esnefeD)CBN(lacimehCdnalacigoloiB,raelcuNnoitaivAlavaN,snoitcurtsnIlanoitarepO launaMecruoseR

    2.0974TSNIROFRIAVANMOC )PMAN(margorPecnanetniaMnoitaivAlavaN

    32.0015TSNIVANPO launaMmargorP)HSOVAN(htlaeHdnaytefaSlanoitapuccOyvaN

    .seitilicaflortnocnoisorrocotdetimiltoneradnagninnalpseitilicaferohslarenegrofdedivorperasnoitacilbupesehT*

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    Table 1-3. Related Army Publications

    REBMUN ELTIT

    5-3MF noitanimatnoceDlacigoloidaRdna,lacigoloiB,lacimehC

    927-KBDH-LIM slateM-noitneverPnoisorroCdnanoisorroC

    057-837MAP )SMMAT(noitaivA-smetsyStnemeganaMecnanetniaMymrAehT1/52-402-0051-55MT launaMecnanetniaMtfarcriAlareneG

    32-543-0051-55MT tfarcriAymrAfognikraMdnagnitniaP

    1-002-347MT gnildnaHlairetaMdnaegarotS

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    CHAPTER 2CLEANING AND LUBRICATION

    2-1. INTRODUCTION. Aircraft cleaning is the first stepin preventing aircraft corrosion. Cleaning requires aknowledge of the materials and methods needed to

    remove corrosive contaminants and fluids which tend toretain contaminants.

    NOTE

    Ozone depleting substances (ODS) are solventssuch as, but not limited to, 1,1,1 trichloroethane(MIL-T-81533) and trichlorotrifluoroethane(MIL-C-81302). These solvents, as well asproducts containing them, are still used in someaircraft maintenance processes, including highpressure oxygen systems cleaning and someavionics cleaning. Alternate materials continue

    to be identif ied. Wherever possible,specifications are being changed to eliminatetheir use automatically. Some products thathave been reformulated are now flammable.Pay close attention to all CAUTION/WARNINGlabels on solvents and solvent-based products.

    2-2. REASONS FOR CLEANING. Aircraft should becleaned regularly in order to:

    a. Prevent corrosion by removing salt deposits, othercorrosive soils, and electrolytes;

    b. Maintain visibility through canopies and windows;

    c. Allow a thorough inspection for corrosion andcorrosion damage;

    d. Maintain turbine engine efficiency;

    e. Reduce f ire hazards by the removal ofaccumulations of leaking fluids;

    f. Improve overall appearance;

    g. Ensure aerodynamic efficiency of the aircraft;and

    h. Maintain special paint scheme characteristics.

    2-3. FREQUENCY OF CLEANING. All aircraft shallbe cleaned according to schedules required by theparent service organization. Navy aircraft shall becleaned in accordance with the schedule in the aircraftspecific manual. In the absence of aircraft specific

    requirements, Navy aircraft shall be cleaned at leastevery 7 days when aboard ship and at least every 14days when ashore. Army requirements are given in

    Appendix B. Under certain local conditions, dependingon the type of aircraft and usage, the normal wash cyclemay not be sufficient. More frequent cleaning may berequired for certain types of aircraft when:

    a. Excessive exhaust or gun blast soil and exhaustgases accumulate within impingement areas;

    b. Paint is peeling, flaking, or softening;

    c. Fluid leakage (coolant, hydraulic fluid, or oil)occurs; or

    d. Exposure to salt spray, salt water, or othercorrosive materials occurs.

    2-3.1. DAILY CLEANING. When deployed within threemiles of salt water or when flown below 3000 feet oversalt water, daily cleaning or wipe down is required on allexposed, unpainted surfaces, such as landing gearstruts and actuating rods of hydraulic cylinders.

    NOTE

    Optimum use of taxi-through rinse facilities isrecommended for removal of salt contamination

    and light deposits when operating near seawater. Rinsing does not satisfy aircraft washingrequirements, it only removes readily solublematter from exterior surfaces.

    2-3.2. IMMEDIATE CLEANING. Affected areas mustbe cleaned immediately if:

    a. Spilled electrolyte and corrosive deposits arefound around battery terminals and battery area;

    b. Aircraft are exposed to corrosive fire extinguishingmaterials;

    c. Salt deposits, relief tube waste, or othercontaminants are apparent;

    d. Aircraft are exposed to significant amounts of saltwater;

    e. Fungus growth is apparent; or

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    f. Chemical, biological, or radiological (CBR)contaminants are detected.

    2-3.3. Procedures for decontamination of aircraftexposed to chemical, biological or radiological (CBR)materials are contained in FM 3-5 (Army) orA1-NBCDR-OPM-000 (Navy).

    2-4. WATER QUALITY. Cleanliness of water can affectaircraft cleaning operations. Chlorides and pH have themost effect on corrosion. Recommended guidelines forthe quality of fresh water used for cleaning and rinsingare shown in Table 2-1. The limits for chlorides and pHshown are approximately the same as for potable water.Adequate disinfection should be provided to control the

    growth of microorganisms in the water.

    CAUTION

    Authorized cleaning agents are listed in thischapter and Volume IV. Do not use unauthorizedcleaners. Although commercial cleaners mayperform as well or better than approvedproducts, these materials may be corrosive toaircraft alloys.

    2-5. CLEANINGCOMPOUNDS.Cleaning compoundswork by dissolving soluble soils, emulsifying oily soils,and suspending solid soils. There are several types ofcleaning compounds, each of which cleans a surfaceusing one or more of these mechanisms.

    CAUTION

    Hydrogen Embrittlement. When high strengthsteels (typically 180 ksi and above), some highstrength aluminum, and some stainless steelsare exposed to acid paint removers, plating

    solutions, and other acidic conditions and somealkaline materials, a cathodic reaction on themetal surface produces hydrogen. If the part isunder load or contains residual manufacturingstresses, sudden catastrophic failure may occurwhen the part can no longer sustain the internaland/or applied stresses. See Volume I foradditional information.

    2-5.1. MODERATELY ALKALINE CLEANERS. Highlyalkaline cleaning compounds (pH greater than 10) arenot authorized for Navy or Army aircraft, due toincompatibility with polyimide airframe wiring insulation.

    Moderately alkaline cleaners (pH between 7.5 and 10),such as MIL-PRF-85570 Types I and II (Exterior AircraftCleaning Compound), are recommended. Both typescontain detergents and foaming agents, and work in thesame way as a detergent solution. Type I is a moreeffective cleaner for heavy oils and greases, includingwire rope lubricant, due to its solvent content, but itshould not be used in areas where ventilation is poor.Type II contains no solvent but is an excellent cleanerfor light oils and hydraulic fluids, and can be used inareas of reduced ventilation (such as cockpits, cabins,bilges, and equipment bays).

    2-5.2. TURBINE GAS PATH CLEANERS. Due to itssolvent content, MIL-PRF-85704 Type I (CleaningCompound, Turbine Engine Gas Path, (solvent emulsionconcentrate)) becomes an emulsion when diluted. Thesolvent contained in the MIL-PRF-85704 Type I cleanersoftens oily soils so that they can be emulsified by thedetergent and rinsed away with clean fresh water.MIL-C-85704 Types II and II RTU (aqueous cleanerwithout hydrocarbon) have also been approved for use.Type II is supplied as concentrated and Type II RTU isready-to-use. MIL-PRF-85704 is specially formulatedto minimize aircraft turbine engine corrosion duringwash cycles; no other cleaner shall be used for thispurpose. Since Type I, like most solvent emulsioncleaners, can leave a very thin oil or solvent film,another type of cleaner shall be used prior to pretreating,painting, sealing or bonding. Local air pollutionregulations may restrict the amount and methods ofapplication of the Type I solvent emulsion cleaner;therefore, Types II or II RTU shall be considered.

    retemaraP stimiL

    sedirolhC xaml/gm004

    Hp 5.8-5.6

    )SDT(sdiloSdevlossiDlatoT xaml/gm005)SST(sdiloSdednepsuSlatoT xaml/gm5

    OCaC(ssendraH 3) l/gm051-57

    )DOB(dnameDnegyxOlacigoloiB xaml/gm5

    )HPT(nobracordyHmuelortePlatoT xaml/gm01

    )ISL(xednInoitarutaSreilgnaL orezevobaylthgilS

    Table 2-1. Water Quality Guidelines

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    2-5.3. DETERGENT SOLUTION. MIL-D-16791(Detergents, General Purpose Liquid Nonionic)dissolved in water cleans by dissolving soluble salts,emulsifying low viscosity oils, and suspending easilyremoved dirt and dust. It is not very effective on grease,but is an excellent cleaner for interior lightly soiled

    areas, plastics, and instrument glass covers.

    2-5.4. SPECIAL CLEANERS. In addition to the abovegeneral cleaners, three cleaners (to be used withoutdilution), are approved for specific localized applicationsin areas of heavy soil.

    2-5.4.1. High Gloss Spot Cleaner. MILPRF85570Type III is recommended for cleaning exhaust track andgun blast areas of high gloss paint systems. Thismaterial contains solvents, detergents, and suspendedabrasive matter to remove soil by wearing away thesurface that holds it. It shall not be used on aircraft

    painted with the camouflage paint scheme since itraises the gloss of the surface.

    NOTE

    Solvents in MIL-PRF-85570 Type IV cleanermay be hazardous air pollutants (HAPs). Consultlocal regulations before use. MIL-PRF-85570Type V may be used as an alternate.

    2-5.4.2. Low Gloss Tactical Paint Scheme SpotCleaner. MIL-PRF-85570 Type IV is recommended forcleaning exhaust track and gun blast deposits, smudges,

    boot marks, and other embedded soils on low glosscoatings. This material contains solvents, detergents,and suspended rubber particles. When rubbed on asoiled surface, the rubber particles act like tiny erasers,removing soil by mechanically entrapping it in the rubber.The gloss of camouflage coatings is unchanged. Formore information on camouflage paint schemes seeAppendix A.

    2-5.4.3. Thixotropic (Viscous) Cleaner.MIL-PRF-85570 Type V is recommended for cleaningwheel wells and wing butts, and replaces solvent cleaningwhere water rinsing can be tolerated. This cleanercontains solvents, detergents and some thickeningagents. When applied undiluted to an oily or greasysurface, the cleaner clings long enough to emulsify thesoil (about 5 to 15 minutes) and can then be rinsed awaywith fresh water. To perform most effectively, Type Vmust be applied to a dry surface. Do not prerinse areas

    of the aircraft that require application of Type V.MIL-PRF-85570 Type V may also be used as an alternatefor MIL-C-43616. Apply to the area, allow to dissolve forapproximately 1-2 minutes, scrub with brush and rinsethoroughly.

    2-5.5. PARTS WASHER CLEANING SOLUTION.AMS-C-29602 (Cleaning Compounds for Parts Washerand Spray Cabinets) is the recommended cleaningagent used in high pressure cabinet style parts washersfor removing oils and greases from disassembledcomponents. It shall not be used for bearings unlessauthorized by part specific documentation. Also, due tothe high maximum allowable pH (pH 13.5) ofAMS-C-29602 cleaning compound, aircraft cognizantengineering authority approval is required beforecleaning aluminum alloy parts. AMS-C-29602 must bediluted with water in accordance with manufacturersinstructions, and the concentration must be tested

    periodically (every 28 days is recommended).

    2-5.6. SOLVENTS. Cleaning solvents dissolve oils andgreasy soils so that they can be easily wiped away orabsorbed on a cloth. However, solvents differ significantlyin cleaning ability, toxicity, evaporation rate, effect onpaint, and flammability. MIL-PRF-680 Type II is themost common cleaning solvent used on aircraft, due toits low toxicity, minimal effect on paint, and relativesafety. Other solvents, such as alcohols, ketones,chlorinated solvents, and naphtha, are specializedmaterials restricted for use, as recommended inTable 2-2.

    NOTE

    The use of solvents for cleaning operations isbecoming more and more limited due toenvironmental regulations. Determine localrequirements regarding limitations on volumeused and disposal from your work centersupervisor, safety officer, or industrial hygienst.

    Degreasing Solvent, MIL-PRF-680, replacesDry Cleaning and Degreasing Solvent, P-D-680.MIL-PRF-680 has been reformulated to reduceHazardous Air Pollutants by reducing thearomatic content of the solvent.

    2-5.6.1. Degreasing Solvent (MIL-PRF-680). Thissolvent is used as a cleaner and degreaser for paintedand unpainted metal parts. It is also used to remove

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    2-4

    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    01 March 2005

    lioSfoepyT lairetaMrotnegAgninaelC rosnoitceriDgnixiM erutalcnemoN serudecorPgninaelC

    ETON

    gniredrO.2retpahC,VIemuloVnidnuofebnacslairetamdevorpparofnoitamrofnigniredrO.elbatsihtnidetsileraserudecorpgninaelC .3retpahC,VIemuloVnidnuofebnactnempiuqedevorpparofnoitamrofni

    )SEIPONACTPECXE(STRAPCITSALPCILYRCA.strapcitsalpcilyrcaenimretedotlaunamtfarcriacificepsotrefeR:ETON

    dnaliosthgiLsegdums

    19761-D-LIM

    92105-A-A

    nitnegreted.zo1retawnollag1

    lennalF,htolC

    dnanoitulosgninaelchtiwtewhtolchtiwepiWhtiwyrD.retawhserfhtiwtewhtolcahtiwwollof

    .htolcnaelca

    SLLEWLEEHWDNARAEGGNITSERRA

    ,esaerg,triDdiulfciluardyh

    VepyT07558-FRP-LIM

    ro

    IIIroIIepyT086-FRP-LIMdna

    IepyT07558-FRP-LIM

    detulidnU

    tnevloSgnisaergeD

    retawstrap4nirenaelctrap1

    royarpshtiwVepyT07558-FRP-LIMylppAfi,hsurB.llewdetunim51-5awollA.hsurb

    .retawhserfhtiwylhguorohtesniR.yrassecenrenaelcevomerotgnihsurbhtiwgnisnirtaepeR

    .seudiser

    :erudecorpetanretlAylppA.liosnrobbutsnesoolottnevlosnohsurB

    .esnirdnahsurbneht,IepyT07558-FRP-LIM

    STNEMTRAPMOCYRETTAB

    dica-daeLyrettabdica

    etylortcelestisoped

    829DMTSA

    IIepyT90318-C-LIMro

    BedarG77178-L-LIM

    ,etanobracibmuidoSretawnollag1ni.zo6

    dnuopmoCevitneverPnoisorroC

    dnuopmoCevitneverPnoisorroC

    GNINRAW.yrettabanaelcothsurberiwaesureveN

    ybyletaidemmietylortceledellipsevomeRybaeraehtezilartueN.retawhserfhtiwgnihsulf

    .noitulosetanobracibmuidoshtiwgnignopstiteL.spotsgnilbbublitnuylsuorenegylppA

    .yrdotwollatonodtub,setunim5noyatshserfhtiwhsulfneht,hsurbrebifahtiwhsurBehtpeeK.shtolcgnipiwnaelchtiwyrD.retaw

    htiwtnemtrapmocevreserP.nepostnevllec.BedarG77178-L-LIMroIIepyT90318-C-LIM

    .seirettabevreserprotniaptonoD

    muimdac-lekciNyrettab

    etylortcelestisoped

    muissatop(edixordyh

    )noitulos

    405BAWWA/ISNA

    IIepyT90318-C-LIMro

    BedarG77178-L-LIM

    etahpsohpmuidoscisabonoMretawnollag1ni.zo6

    dnuopmoCevitneverPnoisorroC

    dnuopmoCevitneverPnoisorroC

    ybyletaidemmietylortceledellipsevomeRybaeraehtezilartueN.retawhserfhtiwgnihsulf

    etahpsohpmuidoshtiwylsuoreneggnignopshsulfneht,hsurbrebifahtiwhsurB.noitulos

    .shtolcgnipiwnaelchtiwyrD.retawhserfhtiwevreserP.nepostnevllecehtpeeK

    -LIMroIIepyT90318-C-LIMhtiwtnemtrapmocevreserprotniaptonoD.BedarG77178-L

    .seirettab

    SAERAEGLIB

    eaglAnoitanimatnoc

    IIepyT07558-FRP-LIMro

    IepyT07558-FRP-LIMro

    VepyT07558-FRP-LIM

    retawstrap1nirenaelctrap1

    retawstrap4nirenaelctrap1

    detulidnuesU

    .elttobyarpspmupaniretawdnarenaelcxiMwolladnaaeradetanimatnocnoerutximyarpS

    ahtiwffoepiW.setunim2tsaeltallewdot.htolcnaelcahtiwyrddnaegnops

    ,diulfciluardyH,trid,retaw

    sirbedcillatem

    IIepyT07558-FRP-LIMro

    IepyT07558-FRP-LIMro

    IIIroIIepyT086-FRP-LIM

    retawstrap9nirenaelctrap1

    retawstrap61renaelctrap1

    tnevloSgnisaergeD

    epiW.yrddnasirbeddnasdiuqilnaelcmuucaVgninaelcnidenepmadegnopsahtiwaera

    .retawhserfhtiwgnignopsybesniR.noitulos.htolcnaelcahtiwyrdepiW

    epiW.tnevloshtiwdenepmadhtolchtiwepiW.htolcnaelcahtiwyrd

    Table 2-2. Cleaning of Specific Areas and Components

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    2-5

    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    01 March 2005

    lioSfoepyT lairetaMrotnegAgninaelC rosnoitceriDgnixiM erutalcnemoN serudecorPgninaelC

    SLENAPSSALGDNACITSALP,ROIRETXEYPONAC

    ,trid,tsuD tlas,emirgtniap,yarps

    yarpsrevo

    065-P-P92105-A-A

    dnuopmoChsiloPcitsalPlennalF,htolC

    .tridesoolevomerotretawhserfhtiwhsulF htolcnaelcrosdnaherabhtiwyltnegbuR,tfoshtiwyrD.retawhserfgniylppaelihw

    gnihsilopgniylppaybwolloF.htolcnaelcagnisuhtolcnaelc,tfosahtiwdnuopmoc

    htiwhsiloP.naelclitnunoitomralucric.htolcnaelc,tfosrehtona

    esaerg,liO 59-N-TT

    065-P-P

    92105-A-A

    ahthpaNcitahpilA

    dnuopmoChsiloPcitsalP

    lennalF,htolC

    NOITUAChtiwshtolc)nottoc-non(citehtnysesutonoD

    htiwlenapcitsalpyrdburtonoD.ahtpnan.htolcyrd

    tolB.htolcnaelc,tfosahtiwahthpanylppAevaeltondnaetaropavelliwtnevlos:yltneg

    gnisubuR.dnuopmocgnihsilopylppA.mlifahtiwhsilopdnanaelclitnunoitomralucrica

    .htolcnaelc,tfosrehtona

    SELBACLORTNOC

    ,lio,trid,tsuDesaerg

    IIIroIIepyT086-FRP-LIM

    IIepyT90318-C-LIM

    4edarG37161-FRP-LIM

    BedarG77178-L-LIM

    tnevloSgnisaergeD

    dnuopmoCevitneverPnoisorroC

    dnuopmoCevitneverPnoisorroC

    dnuopmoCevitneverPnoisorroC

    GNINRAW.gninaelcerofebsrekaerbtiucricllanepO

    htiwdenepmadhtolcnaelchtiwepiWtaoceR.IIepyT90318-C-LIMylppA.tnevlos

    ro4edarG37161-FRP-LIMhtiwselbac.BedarG77178-L-LIM

    REDNILYC,SEGAKNIL,SROOD

    ,lio,trid,tsuDesaerg

    IIIroIIepyT086-FRP-LIM

    4edarG37161-FRP-LIMro

    BedarG77178-L-LIM

    ro 45058-C-LIM

    tnevloSgnisaergeD

    dnuopmoCevitneverPnoisorroC

    dnuopmoCevitneverPnoisorroC

    dnuopmoCevitneverPnoisorroC

    GNINRAW.gninaelcerofebsrekaerbtiucricllanepO

    .tnevloshtiwyrassecensasecafrushsurBhtiwsgnirpsdnasdnedorrevoC

    ro4edarG37161-FRP-LIM sinoitacirbulerehW.BedarG77178-L-LIM.deilppaebyam45058-C-LIM,deriuqerton

    STAESNOITCEJE

    .slaunamecnanetniamtaesnoitcejecificepsotrefeR

    SLAESCIREMOTSALE

    ,lio,trid,tsuDemirgdna

    19761-D-LIM

    1941-A-A

    retawnollag1nitnegreted.zo1

    nottoC,htolceseehC

    noitulosgninaelchtiwtewhtolchtiwepiWhserfhtiwtewhtolcahtiwesnirdna

    .htolcnaelcahtiwyrD.retaw

    STNENOPMOCCINOIVADNASROTCENNOCLACIRTCELE

    ,tnil,trid,tsuDesoolrehtodna

    ,rettamngierof lio,esaergthgil,segdums

    ,hsinratro,noisorroc

    ignuf

    .IIIemuloVotrefeR

    GNITACORPICER,SENIGNE

    lioro,trid,tsuD IIIroIIepyT086-FRP-LIM

    0013-A-A

    tnevloSgnisaergeD

    daPgninaelC

    .hsurbrodapgninaelchtiwtnevlosylppAtnevlostcelloC.yrddnanoitacilppataepeRlacolhtiwecnadroccaniesopsiddnaffonur

    .snoitaluger

    Table 2-2. Cleaning of Specific Areas and Components (Cont.)

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    2-6

    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    01 March 2005

    lioSfoepyT lairetaMrotnegAgninaelC rosnoitceriDgnixiM erutalcnemoN serudecorPgninaelC

    DETNIAP,SECAFRUSROIRETXE

    sliosthgiL ,tsud,trid(,tlas,dum)toosesool

    IIepyT07558-FRP-LIM

    ro

    IepyT07558-FRP-LIM

    retawstrap9nirenaelctrap1

    strap61nirenaelctrap1retaw

    ,rotarenegmaofhtiwnoitulosrenaelcylppAwollA.htolcro,hsurbtfos,egnops,yarpsdnaburcS.setunim01-5llewdotrenaelc

    .yrddnaretawhserfhtiwesnirneht

    sliosetaredoM,sdiulfciluardyh(

    thgil,slioebul)sevitavreserp

    IIepyT07558-FRP-LIM

    ro

    IepyT07558-FRP-LIM

    retawstrap4nirenaelctrap1

    retawstrap9nirenaelctrap1

    ,rotarenegmaofhtiwnoitulosrenaelcylppAwollA.htolcrohsurbtfos,egnops,yarps

    yltnegbuR.setunim01-5llewdotrenaelc.etunimenootpurofnoitomralucricahtiw

    .yrddnaretawhserfhtiwesniR

    sliosyvaeH,liodezinobrac(

    dega ,sevitavreserpnug,esaerg

    tsuahxe&tsalb)stisoped

    VepyT07558-FRP-LIMro

    IIIroIIepyT086-FRP-LIM

    1941-A-A

    IepyT07558-FRP-LIMro

    IIepyT07558-FRP-LIM

    detulidnU

    tnevloSgnisaergeD

    htolceseehCnottoC

    retawstrap4nirenaelctrap1

    retawtrap1nirenaelctrap1

    01-5retfA.renaelcnohsurbroyarpS.ylhguorohtesnirdnahsurb,setunim

    deliosgnihsurbtnevlosrognipiwybnaelcerP

    renaelcylppanehT.086-FRP-LIMhtiwaera egnops,yarps,rotarenegmaofhtiwnoitulosotpurofllewdotrenaelcehtwollA.htolcro

    purofburcsnehtgnibburcstuohtiwetunim1oD.yrdneht,ylhguorohtesniR.etunim1ot

    noyrdotsnoitulosgninaelcwollaton.ruccolliwgnikaertsro,secafrus

    liosnrobbutSssolgno

    tfarcriadetniap,skramffucs(

    )tsuahxe

    IIIepyT07558-FRP-LIM detulidnU ahtiwbuR.htolcpmadahtiwrenaelcylppA.yrdneht,ylhguorohtesniR.noitomralucricsecafrusnoyrdotrenaelcehtwollatonoD

    .tluciffidebyamgnisnirro

    noliosnrobbutStniaPlacitcaT

    tfarcriaemehcS,skramffucs(

    )tsuahxe

    VIepyT07558-FRP-LIM detulidnU gninaelcevisarba-nonahtiwrenaelcylppAhtiwbuR.emitllewdsetunim3-1wollA.dap

    .yrdneht,ylhguorohtesniR.noitomralucricasecafrusnoyrdotrenaelcehtwollatonoD

    .tluciffidebyamgnisnirro

    DETNIAPNU,SECAFRUSROIRETXE

    tsalbnuG,seudiser

    dezinobractsuahxe

    IepyT07558-FRP-LIM

    ro

    IIepyT90318-C-LIM

    retawstrap4nirenaelctrap1

    evitneverPnoisorroCdnuopmoC

    NOITUACgninaelcIepyT07558-FRP-LIMwollatonoD

    .slenapcitsalpyponactcatnocotsnoitulos

    gninaelcylppA.retawhserfhtiwecafrusteWtamevisarbahtiwylksirbburcsdnanoitulos

    esniR.)BroAedarG1epyT2699-A-LIM(.yrddnaretawhserfhtiw

    htiwaerayarps,stisopednrobbutsroFpalfhtiwburcsneht,IIepyT90318-C-LIM

    .hsurb

    YRETSLOHPUDNAGNIFOORPDNUOS,STRAPCIRBAF

    liodnaliosthgiLstops

    19761-D-LIM

    IIepyT07558-FRP-LIM

    strap61nitnegretedtrap1retaw

    retawstrap4nirenaelctrap1

    .renaelcmuucavhtiwtridesoolevomeRburcsdnaegnopshtiwnoitulospaosylppA

    .ylksirbegnopsrohtolcdenepmad,naelchtiwesniR

    .yrdotaerawollA.retawhserf,naelcgnisu.gnihsurbybpanesiaR

    Table 2-2. Cleaning of Specific Areas and Components (Cont.)

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    2-7

    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    01 March 2005

    lioSfoepyT lairetaMrotnegAgninaelC rosnoitceriDgnixiM erutalcnemoN serudecorPgninaelC

    SROODYABENIGNEDNAYABENIGNE,ROIRETXEENIGNEENIBRUTSAG

    ,liodezidixO ,nobrac,tsudstisopedtlas

    IIepyT40758-FRP-LIM )derreferp(UTR

    ro

    IepyT40758-FRP-LIM

    ro

    IIepyT07558-FRP-LIM

    ro

    VepyT07558-FRP-LIM

    ydaerasisiht,etulidtonoD mrofesuot

    retawstrap4nirenaelctrap1

    retawstrap4nirenaelctrap1

    detulidnuesU

    snoitulosgninaelcdeximylppA -LIMroUTRIIepyTroIepyT40758-FRP-LIM(esnirneht,burcS.hsurbahtiw)IIepyT07558-FRP

    07558-FRP-LIMgnisunehW.retawhserfhtiwwolla,hsurbahtiwetartnecnocylppa,VepyT

    neht,setunim5rofecafrusnoniamerotrenaelcetsawfoesopsiD.ylhguorohtesnirdnahsurb.snoitalugerlacolhtiwecnadroccanirenaelc

    HTAPSAG,ROIRETNIENIGNEENIBRUTSAG

    ,liodezidixO

    ,nobrac,tsud stisopedtlas

    IIepyT40758-FRP-LIM

    ro

    IIepyT40758-FRP-LIMUTR

    retawstrap4nirenaelctrap1

    ximydaerasisiht,etulidtonoDmrof

    enigneelbacilppahtiwecnadroccaniesU

    etsawfoesopsiD.snoitcurtsnilaunamecnanetniam .snoitalugerlacolhtiwecnadroccanirenaelc

    rofAxidneppAotrefeR:yvaN.noitamrofnilanoitidda

    SEDALBRELLEPORPDNARETPOCILEH

    ,lio,emirG,esaergtsuahxe

    sniats

    IIepyT07558-FRP-LIM

    0013-A-A

    retawstrap9nirenaelctrap1

    daPgninaelC

    NOITUACdetartnecnocrosrenaelcenilaklagnortsesutonoD

    pacpitrotorgninaelcnehwsdnuopmocevisarbarofslaunamlacinhcettfarcriaotrefeR.saera

    .snoitcurtsnigninaelccificeps

    rodapgninaelcahtiwnoitulosgninaelcylppA.retawhserfhtiwesniR.hsurb

    SGNITTIFDNEDNA,ELBACTSIOHEUCSERDNAOGRACRETPOCILEH

    ,tlaSretawtlas

    IIepyT90318-C-LIM

    92105-A-A

    dnuopmoCevitneverPnoisorroC

    lennalF,htolC

    htiwyrdwolB.retawhserfhtiwylhguorohthsulFahtiwyrdylhguorohtroriadesserpmoc,naelc

    sadnuopmoc90318-C-LIMhtiwyarpS.htolcnottocevomeR.dnuowergniebsielbac

    .htolcyrdnaelchtiwssecxe

    MURDTSIOHEUCSERDNAOGRACRETPOCILEH

    ,tlaSretawtlas

    IIepyT07558-FRP-LIM retawstrap9nirenaelctrap1 htiwnoitulosgninaelcylppA.retawhserfhtiwesniRhserfhtiwylhguorohtesniR.htolcnaelcroegnops

    yrdroriadesserpmocnaelchtiwyrdwolB.retaw.htolcyrdnaelcahtiw

    Table 2-2. Cleaning of Specific Areas and Components (Cont.)

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    2-8

    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    01 March 2005

    lioSfoepyT lairetaMrotnegAgninaelC rosnoitceriDgnixiM erutalcnemoN serudecorPgninaelC

    GNILSEUCSERRETPOCILEH

    ,tlaSretawtlas

    IIepyT07558-FRP-LIMro

    19761-D-LIM

    retawstrap9nirenaelctrap1

    strap61nitnegretedtrap1retaw

    noitulosgninaelcylppA.retawhserfhtiwesniRhtiwylhguorohtesniR.htolcnaelcroegnopshtiw

    roriadesserpmocnaelchtiwyrdwolB.retawhserfyrdotdednepsusfI.yrdotwolladnadnepsus

    yawaniardlliwretawerusne.elkcubehtmorf

    SAERAROIRETNI

    ROIRETNITIPKCOC

    ,trid,tsuDdna,dum

    sirbedthgil

    IIepyT07558-FRP-LIM

    ro

    19761-D-LIM

    retawstrap9nirenaelctrap1

    retawnollag1nitnegreted.zo1

    lortnocnodumfosnoitalumuccaynanesooLhsurbhtiwtnempiuqetipkcocrehtoro,roolf,sladep

    htolchtiwepiW.renaelcmuucavhtiwevomerdnahtolcahtiwwollofdnanoitulosgninaelchtiwtew

    .htolcnaelcahtiwyrD.retawhserfhtiwtew

    GNITCUDLORTNOCLATNEMNORIVNE

    ,sirbedthgiL

    dna,tsud emirg

    92105-A-A

    IIepyT07558-FRP-LIM

    ro

    19761-D-LIM

    lennalF,htolC

    retawstrap9nirenaelctrap1

    retawnollag1nitnegreted.zo1

    elbacilppaotrefeR.slaunamecnanetniam

    KCEDDNAROOLF

    sirbed,triD IIepyT07558-FRP-LIM)derreferp(

    ro

    IepyT07558-FRP-LIM)etanretla(

    retawstrap9nirenaelctrap1

    retawstrap61nirenaelctrap1

    htiwepiW.renaelcmuucavhtiwtridesoolevomeR.retawhserfhtiwesnir,dnuopmocgninaelc

    SEIROTAVAL

    eudiserenirU 154-A-O

    829DMTSA

    1-21-001geRADSU

    ,edixordyHmuinommA

    retawstrap02nitrap1ot.zo6,etanobraciBmuidoS

    retawhserffonollag1

    stelbaTladicimreG

    NOITUAC

    wollatonod,edixordyHmuinommAgnisunehW hsulF.gniriwtfarcriatcatnocotsnoitulosyna.sruccoegallipsfiretawhserfhtiwyletaidemmi

    .edixordyhmuinommafonoitulosahtiwegnopSmuidoshtiwecafrustewroretawhserfhtiwhsulFhserfhtiwesnir,yrdotwolla,noitulosetanobracib

    .htolcnaelcahtiwyrD.retaw

    lanirudnateliotsastelbatladicimregesU.stnarodoed

    )ROIRETNI(TNEMTRAPMOCTNEMPIUQEDNAEMODAR

    lio,trid,tsuDsirbeddna

    19761-D-LIM

    1941-A-A

    retawnollag1nitnegreted.zo1

    htolceseehCnottoC

    NOITUACcinortcelenaelcotriadesserpmocfoesudiovA

    emodarnisevisarbaesutonoD.tnempiuqe.tnemtrapmoc

    epiW.renaelcmuucavhtiwtridesoolevomeR noitulosgninaelchtiwtewhtolcahtiwssalgrebifhtiwyrD.retawhserfhtiwtewhtolchtiwesnirdna

    .htolcnaelca

    Table 2-2. Cleaning of Specific Areas and Components (Cont.)

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    2-9

    NAVAIR 01-1A-509-2TM 1-1500-344-23-2

    01 March 2005

    lioSfoepyT rotnegAgninaelC lairetaMrosnoitceriDgnixiM

    erutalcnemoN serudecorPgninaelC

    SLENAPSSALGDNACITSALPROIRETNI

    trid,tsuD 92105-A-A lennalF,htolC ,naelc,tfoshtiwtsudnehtdnamuucaVybtirgfoeerfhtolcpeeK.htolcpmad

    .tuognignirwdnaretawniyltneuqerfgnisnir

    SECAFRUSNOTSIPDESOPXERAEGGNIDNAL

    tlas,trid,dnaSdna,stisoped

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    28238-FRP-LIM

    1941-A-A

    diulFciluardyH

    htolceseehCnottoC

    htolcnaelchtiwsecafrusdesopxenaelCeracekaT.diulfciluardyhhtiwdenepmadmorfyawaepiW.ecafrusehthctarcsotton

    .slaes

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    renaelclacitpOlennalF,htolC

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    .naelcdnayrdaerapeek,htworgsugnuftcatnocsugnufmetsysleuffotnemtaertroF

    .AFCetairporppa

    )SECAFRUSROIRETXE(SENILNEGYXO

    esaerg,liO .slaunammetsyscificepsotrefeR

    )ROIRETXE(SEBUTFEILER

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    .retawhserf

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    stisoped

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    .deriuqersaetacirbuleR.retaw

    Table 2-2. Cleaning of Specific Areas and Components (Cont.)

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    corrosion preventive compounds. The solvent isavailable in four types. Although the degreasingeffectivness is approximately the same, the flash pointsdiffer as follows: Type I, 100F (38C) minimum; Type II,140F (61C) minimum; Type III, 200F (93C) minimum;Type IV, 140F (61C) minimum. Though the flash

    points differ, all types will burn intensely once ignited.Type I is not authorized for use as a general cleaner dueto its flammability, but may be used in parts washersdesigned for such solvents. Type II is the most commoncleaning solvent used on aircraft, and is intended foruse where a solvent with a higher flash point is required.If necessary, Mineral Spirits, ASTM D235 Type II ClassC, may be used as a substitute for MIL-PRF-680 Type II.Type III is intended for use in confined atmosphericconditions where a very high flash point is required.Type IV is used where a higher flash point and strongsolvency is desired. The dwell time for all types shouldbe held to a minimum (less than 15 minutes) to avoid

    damage to paint.

    2-5.6.2. Isopropyl Alcohol (TT-I-735). This flammablesolvent is a disinfectant for cleaning fungus and mold.It is a poor degreaser.

    2-5.6.3. Methyl Ethyl Ketone (MEK) (ASTM D 740).This highly flammable solvent is used for cleaning priorto painting and bonding. It may also be used for cleaningif surfaces become contaminated with leaking fluid aftersurface treatment. Some locations cannot use MEKdue to restrictions on the use of solvents with vaporpressures greater than 44 millimeters of mercury (mm

    Hg). As an alternate, use MIL-PRF-85570 Type II (diluted1 part cleaner to 9 parts water), rinse thoroughly withfresh water and allow to dry. Or, surfaces may becleaned by solvent wiping with AMS 3166 (Solvents,Cleaning, Cleaning Prior to Application of SealingCompounds).

    2-5.6.4. Aliphatic Naphtha (TT-N-95). This highlyflammable solvent is used for cleaning oils or greasydeposits from acrylic canopy materials. Other solventscause crazing of acrylics. It can also be used to removemasking or preservation tape residue.

    2-5.6.5. Thinner, Aliphatic Polyurethane Coatings(MlL-T-81772). This highly flammable solvent can beused for prepaint solvent cleaning when necessary.MIL-T-81772 can be used at locations requiring a solventvapor pressure less than 45 mm Hg.

    2-5.7. MISCELLANEOUS CLEANING AGENTS.Plastic polish (P-P-560) contains mild abrasive matterto polish out scratches in canopy materials. Alkaline

    chemicals neutralize specific acidic soils: ammoniumhydroxide (O-A-451) for urine, sodium bicarbonate(ASTM D928) for electrolyte spills from sulfuric acidbatteries, and monobasic sodium phosphate (ANSI/AWWA B504) and boric acid (A-A-59282) for electrolytespills from nickel-cadmium batteries. Fire extinguishing

    agent (MIL-F-24385), which contains wetting andfoaming agents, washes out residues from fireextinguishing solutions made with salt water. Opticalglass cleaner (A-A-59199) is used for cleaning lenses.

    2-5.8. DILUTION. In general, more concentratedsolutions than those recommended do not clean anybetter and are wasteful; MORE IS NOT ALWAYSBETTER. In fact, if too much cleaner is used, thesolution merely becomes slippery, preventing thewashing pad from loosening the soil and making rinsingmore difficult. Do not exceed the use dilutionsrecommended in Table 2-2.

    2-6. STEAM CLEANING. Steam cleaning shall notbe used on aircraft/missiles at the Organizational/Unitor Intermediate levels of maintenance. In addition,steam cleaning shall not be used on the followingitems removed from aircraft/missiles: honeycombbonded structure, sealant, fiberglass composites,acrylic windows, or electrical wiring. Steam cleaningcan erode paint, craze plastic, debond adhesives,damage electrical insulation, and drive lubricants outof bearings.

    2-7. CLEANING EQUIPMENT. Equipment specific

    to one type of aircraft is not covered in this manual. Thefollowing equipment is available for general cleaning.Ordering information for approved equipment can befound in Volume IV, Chapter 3. General operatinginstructions are found in paragraph 2-8. See specificoperating manuals for detailed instructions on automatedequipment.

    CAUTION

    No equipment which develops more than 175 psinozzle pressure shall be used to apply cleaningcompounds unless specifically authorized bythe parent service organization.

    NOTE

    Use only cleaning materials or equipmentauthorized by the parent service organizationand described in this manual. Experimentationwith unauthorized cleaners may damageaircraft, reducing reliability and increasingmaintenance costs.

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    2-7.1. PORTABLE, 15 GALLON, FOAM GENERAT-ING, CLEANING UNIT. The cleaning unit is compact,light, and ideal for cleaning hard to reach areas. Itconsists of 54 inch applicator wand, 50 feet of hose, anda 15 gallon tank which moves easily on rubber tirewheels. (See Figure 2-1). The control system allows

    the operator to adjust wetness of foam to fit any job. Thecleaning unit provides a foam capable of clinging tovertical surfaces to soften and dislodge soils. Operatinginstructions for the cleaning unit are given in paragraph2-8.1.

    2-7.2. PORTABLE, 45 GALLON, FOAM GENERAT-ING, CLEANING UNIT. This cleaning unit is a simpli-fied, pressure operated, foam-dispensing system. (SeeFigure 2-2). It uses available air supply for its powersource without using pumps. Air is metered directlyfrom the pressurized solution chamber into the hose tocreate foam. Operating instructions for the cleaning unit

    are given in paragraph 2-8.2.

    2-7.3. TURBINE ENGINE COMPRESSOR CLEANINGEQUIPMENT. Equipment used for cleaning Navy aircraftturbine engines is contained in Appendix A. Army: referto specific engine technical manual.

    2-7.4. MISCELLANEOUS LARGE CLEANING EQUIP-MENT. Other equipment such as truck or trailer mountedspray or foam equipment may be available at certainlocations.

    2-7.5. SPRAY CLEANING GUN FOR SOLVENTS. This

    solvent spray gun has an extended nozzle/tube andrequires approximately 14 cfm of air at 50 psi to siphonsolvent or cleaner from a container.

    2-7.6. PNEUMATIC VACUUM CLEANER. Thisair-operated vacuum cleaner is a small, portable unit forremoving debris and water from aircraft (Volume IV,Chapter 3).

    2-7.7. UNIVERSAL WASH UNIT. The universal washunit is used for general purpose cleaning. The operatingprocedures are given in paragraph 2-8.3.

    2-7.8. CABINET-STYLE AQUEOUS PARTSWASHER. This method of cleaning utilizes an industrialpower washer that is comprised of an enclosed cabinetequipped with a system of spray impingement nozzles,cleaning solution heater, fluid pump, skimmer for oiland its residues, and separate reservoirs for cleaningsolution and waste. High pressure parts washers have

    been implemented to replace the use of 1,1,1 tri-chloroethane vapor degreasing and to reduce thedependence upon MIL-PRF-680 Type II. They aresuitable for degreasing disassembled components. Thiscleaning process effectively removes soils, oils/greases,corrosion preventive compounds and other

    contaminants by applying aqueous cleaner at varyingcombinations of high temperature and pressure. Thewashers are equipped with oil skimming devices andparticulate filtration devices to extend the life of thecleaning solution. Cognizant aircraft engineeringauthority approval is required prior to using the CabinetStyle Parts Washer for cleaning bearings or aluminumalloy parts. Operating instructions are given inparagraph 2-8.4.

    2-7.9. MISCELLANEOUS EQUIPMENT. Accessoriesand consumable materials for manual operations, listedin Volume IV, Chapters 2 and 3, include the following

    important items:

    a. 3M No. 33 Aircraft Cleaning Pads and 3M No. 261Conformable Pad Holders are replacements for the 3MNo. 251 Washing Kit for Exterior Aircraft WashingOperations. The wooden handle used with the No. 251Washing Kit can also be used with the new 3M No. 261Pad Holder; however, use of the A-A-1464 AluminumHandle is highly recommended because it is moreergonomic and easily extendable from five to ten feet.

    b. Non-Metallic Cleaning and Polishing Pads(A-A-3100) are crimped polyester fiber pads for detergent

    and solvent cleaning aircraft surfaces. Do not use withpaint removers.

    c. Brushes, Non-Metalic Bristles (MIL-B-23958,A-A-3080) are used with aircraft detergent cleaners,such as MIL-PRF-85570.

    d. Cheesecloth (A-A-1491) and non-woven cloth(A-A-162 Type I Class 7) are used for cleaning criticalareas where an exceptionally clean cloth is required,such as solvent cleaning prior to painting, adhesivebonding, or sealing.

    e. Plastic spray bottles are used for applying dilutedMIL-PRF-85570 Type I or II or concentrated Type V.

    2-8. EQUIPMENTOPERATING PROCEDURES. Thissection contains general operating instructions for themost commonly used large pieces of cleaning equipment.

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    Figure 2-1. Foam Generating Cleaning Unit (15 Gallons)

    PF-20

    PF-2

    PF-1

    PF-40 PF-23

    PF-3

    PF-24

    PF-63

    PF-14

    PF-17 PF-18 PF-19

    PF-16

    PF-15

    PF-72

    PF-64

    PF-26

    PF-25

    PF-22

    PF-41

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    1-FP egairraCelbatroP 81-FP dnaWtrohS 62-FP evlaVdeelBriA

    2-FP leehW 91-FP noisnetxEdnaW 04-FP )laG02(knaTdnuopmoC

    3-FP eldnaHdevruC 02-FP esoHnoitacilppA 14-FP teksaGpaCknaT

    41-FP egauGerusserP 12-FP paClliFknaT 36-FP evlaVgnireteMriA

    51-FP rotalugeRriA 22-FP evlaVytefaS 46-FP evlaVgnireteMdnuopmoC

    61-FP evlaVtelnIriA 32-FP evlaVkcehC 27-FP )F(gnittiFKS

    71-FP evlaVegrahcsiDmaoF 42-FP )M(gnittiFKS 37-FP gnibuTSS

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    2-8.1. PORTABLE, 15 GALLON, FOAMGENERATING CLEANING UNIT.

    WARNING

    Do not service the portable, 15 gallon, foamgenerating, cleaning unit without releasingpressure.

    CAUTION

    When cleaning task is completed, drain tankand flush to preclude an extremely strongsolution from being used that could be damaging

    to aircraft surfaces.

    a. Release pressure prior to servicing.

    b. Remove tank fill cap and fill container withappropriate diluted cleaning compound. Allow adequateair space at the top of the tank. Replace filler plug.

    NOTE

    Refer to Table 2-2 to mix the proper ratio ofmaterials to be used.

    c. Connect air supply to air inlet valve on air regulator.

    d. Open compound metering valve to full openposition.

    e. Open air inlet valve and set air pressure regulatorto 30-70 psi.

    f. Open foam discharge valve and direct foam atobject to be cleaned.

    g. If foam is too wet, close compound meteringvalve slightly.

    h. If foam is too dry, open compound metering valveslightly and close air metering valve slightly.

    i. Allow foam to remain on the surface for up to oneminute, but not long enough to dry; then scrub and rinse.

    Figure 2-2. Foam Generating Cleaning Unit (45 Gallons)

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    2-8.2. PORTABLE, 45 GALLON, FOAMGENERATING AND CLEANING UNIT.

    WARNING

    Do not service the portable, 45 gallon, foam

    generating, cleaning unit without releasingpressure.

    a. Release pressure prior to servicing.

    b. If tank has been in prior use and is closed, closecleaning compound valve and air valve, then open airdump valve to bleed off retained air pressure.

    c. Remove cover of tank. The cover is retained byseveral draw bolts.

    d. Fill with cleaning compound in appropriate dilution,

    allowing for adequate air space at the top of the tank.

    e. Replace cover, being sure it is firmly locked inplace.

    f. Close air and cleaning compound handle valves.

    g. Attach air line to air inlet on side of unit. Fill andcheck air regulator to ensure proper pressure (30-70psi).

    h. Open air valve.

    i. Open cleaning compound valve slowly untildesired foam consistency is reached.

    j. Apply foam to surface to be cleaned. Generally,thin uniform layers perform best. During initial setting ofthe unit, air and cleaning compound valves should beadjusted to give the desired foam consistency.Combinations of less air and more cleaning compoundmake a wet foam. Combinations of more air and lesscleaning compound make a drier foam. Dry foams givegreater dwell time and prolong cleaning action, but wetfoams clean better.

    k. Allow foam to remain for up to one minute, but notlong enough to dry: then scrub and rinse.

    CAUTION

    Insure that tank is drained to prevent a build-upof highly concentrated solution, which maydamage aircraft surfaces.

    l. When cleaning task is completed, drain detergentsolution from tank and flush with fresh water.

    2-8.3. UNIVERSAL WASH UNIT.

    WARNING

    Use the universal wash unit in the horizontalposition only.

    a. Connect the strainer unit to the intake hose.

    b. Connect the wand and nozzle spray to the output(discharge) hose or connect the discharge quickdisconnect to the aircraft wash manifold quickdisconnect.

    c. Insert the strainer unit into a container of water orcleaning solution.

    d. Press the start or remote start switch; observe thepressure gage. It should immediately indicate anincrease in pressure.

    e. After the pressure reaches approximately 10 psig.release the start switch. The unit should continue tooperate.

    f. The unit will deliver approximately 2.5 gallons perminute at 30 psig.

    g. Press the stop or remote switch to stop the unitfrom operating.

    2-8.4. CABINET-STYLE AQUEOUS PARTSWASHER.

    WARNING

    The materials used and waste generated fromthis cleaning process may be hazardous tooperating personnel and the environment.Contact the local industrial hygienist,bioenvironmental engineer, or Environmental

    Office for guidance regarding personalprotective equipment (PPE) and other healthand safety precautions. Parts will be very hotafter the cleaning process. Handle with thermallyprotective and water repellent gloves. Drainany entrapped solution back into the washer.

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    CAUTION

    High pressure parts washers shall not be usedfor cleaning bearings unless specificallyauthorized. Due to the maximum allowable pH(pH 13.5) that the required cleaning compound,

    AMS-C-29602, can reach, cognizantengineering authority approval is required beforecleaning aluminum alloy and IVD aluminumcoated parts.

    a. Determine the reservoir capacity of the partswasher. Fill the reservoir with a solution of AMS-C-29602cleaning compound, diluted per manufacturersrecommended concentration.

    NOTE

    Do not use the parts washer until the cleaning

    solution has stabilized at the requiredtemperature. Agitation of the solution prior toreaching elevated temperatures may result inexcessive foaming of the cleaning solution.

    b. Al low cleaning solution to stabi l ize atmanufacturers recommended temperature or at 140Fto 180F.

    CAUTION

    Caution shall be exercised when loadingcomponents with areas which can entrap water.

    Position parts in the cabinet and baskets suchthat the cavities which can hold or entrap waterare face down. It is imperative thatsuitable fixtures and/or baskets are used tosecure components during the cleaning cycle.Failure to do so may result in damage to thecomponents being cleaned by the highpressure impingement spray.

    c. Place components to be cleaned into parts washer.Components shall be secured to the turntable, or placedin a basket that is secured to the turntable.

    CAUTION

    Parts shall not be left unattended in the washingcabinet. Once the cleaning cycle is complete,the inside environment of the cabinet willbecome very hot and humid. Parts leftunattended, or not removed within the requiredtime, may develop corrosion. Follow therecommended manufacturers instructions forthe removal of cleaned parts.

    d. Set the wash cycle timer for 3-30 minutesdepending upon the type of soil to be removed and thequantity of soil on the parts. For light degreasing, a 3minute cycle may be sufficient while heavily soiled andbaked on grease may require a full 30 minute cycle. Runthe wash cycle, and allow components to cool before

    handling.

    e. If the cleaned part is subjected to an immediateinline process, i.e., fluorescent penetrant inspection, orpainting, or in cases where precision cleaning is required,rinse the part with fresh clean water and thoroughly dry.

    f. Apply MIL-C-81309 Type II , followed byMIL-PRF-16173 Grade 4, on bare steel parts whichhave been cleaned/rinsed and will be left unprotectedfrom corrosive environments or will not be processed.

    2-9. CLEANINGPROCEDURES.Where high outdoor

    temperatures are encountered (80F (27

    C) and above)

    and where shade is not available, cleaning operationsshould be scheduled for early morning and late afternoonor night. Wetting aircraft exteriors with fresh waterbefore cleaning will cool surfaces and help prevent fastevaporation during hot weather. For cold weatherprocedures, refer to paragraph 2-9.3.8.

    2-9.1. WARNINGS AND CAUTIONS. The followingwarnings and cautions shall be observed during aircraftcleaning operations:

    2-9.1.1. Electrical Warnings.

    a. Aircraft and/or other equipment shall not bewashed, cleaned, or inspected on an outdoor wash rackwhen an electrical storm is in the immediate area.

    b. Open all circuit breakers associated with batterypower (refer to applicable aircraft manuals) prior toapplication of flammable solvent cleaners.

    c. In order to guard against the danger of staticelectricity, aircraft shall be electrically grounded duringall cleaning operations and when moored or parked.

    d. Before cleaning electrical and avionic equipment,make sure electrical power is disconnected. Injury ordeath may otherwise result.

    2-9.1.2. Personal Protection. Consult the local safetyoffice for personal protective equipment (PPE)requirements. The following Warnings apply.

    a. Wear rubber gloves, chemical or splash proofgoggles, and water resistant boots during cleaning

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    operations using cleaning compounds MIL-PRF-85570,or MIL-PRF-85704. Wet weather clothing is not requiredexcept during cold weather. If cleaner is splashed ineyes, rinse thoroughly with fresh water for 15 minutesand report to medical facility. Remove clothing saturatedwith cleaning solution immediately and flush exposed

    skin areas with fresh water.

    b. Cleaning solutions are slippery. Maintenancestands will be used, where practical. Safety harnessand safety lines must be used when standing on uppersurfaces of aircraft during cleaning operations.

    2-9.1.3. Solvent Warnings.

    a. Do not use synthetic wiping cloths with flammablesolvents, such as aliphatic naphtha (TT-N-95).

    b. Solvents shall not be applied with atomizing spray

    equipment. This is not only hazardous, but violatesenvironmental regulations in most area