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8807342 02/13
20 GALLON COMPRESSOR
CALIFORNIA PROPOSITION 65
WARNING: You can create dustwhen you cut, sand, drill or grindmaterials such as wood, paint,metal, concrete, cement, or othermasonry. This dust oftencontains chemicals known tocause cancer, birth defects, orother reproductive harm. Wearprotective gear.
WARNING: This product or itspower cord may containchemicals, including lead,known to the State of Californiato cause cancer and birthdefects or other reproductiveharm. Wash hands afterhandling.
Important!When using equipment, a fewsafety precautions must beobserved to avoid injuries anddamage. Please read the completeoperating manual with due care.Keep this manual in a safe place,so that the information is availableat all times. If you give theequipment to any other person,give them these operatinginstructions as well. We accept noliability for damage or
accidents which arise due to non-observance of these instructionsand the safety information herein.
SPECIFICATIONSRunning horsepower: 2 HPCFM @ 40 PSI: 6 CFMCFM @ 90 PSI: 5 CFMVoltage: Single Phase; 120VMotor: 3200 RPMTank: 20 gallonsOil Lubrication
CAUTION:
FOR YOUR OWN SAFETY,READ INSTRUCTION MANUALCOMPLETELY ANDCAREFULLY BEFOREOPERATING THISCOMPRESSOR.
Any failures made in followingthe safety regulations andinstructions may result in anelectric shock, fire, and/orserious injury.
Model: 7342
SAFETY INSTRUCTIONS
The air compressor should beoperated on a dedicated 15-amp circuit. If the circuit doesnot have 15 free ampsavailable, a larger circuit mustbe used. Always use more airhose before utilizing extensioncords. Low voltage couldcause damage to the motor.
If the air compressor is inoperation, all guards andcovers should be attached orinstalled correctly. If any guardor cover has been damaged,do not operate the equipmentuntil the proper personnel havecorrectly repaired theequipment. The power cordshould be free of any movingparts, twisting and/or crimpingwhile in use and while instorage.
Surfaces on your aircompressor can be hot inoperation and can causeserious burns if touched. Theequipment should be allowedtime to cool before anymaintenance is attempted.Items such as the compressor
For Customer Service: Call 1-800-348-5004 or Email [email protected]
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pump and the outlet tube arenormally hot during and afteroperation.
Operation of the air compressorshould always be in a positionthat is stable. Never use the aircompressor on a rooftop orelevated position that could allowthe unit to fall or be tipped over.Use additional air hose forelevated jobs.
Always wear approved safetyglasses with side shields whenthe air compressor is in use.Turn off the air compressor anddrain the air tank beforeperforming any type ofmaintenance or disassembly ofthe hoses or fittings. Never pointany nozzle or sprayer toward anypart of the body or at otherpeople or animals.
Avoid using the air compressorin confined areas. Always haveadequate space (1 foot) on allsides of the air compressor. Alsokeep children, pets, and othersout of the area of operation. Thisair compressor does not providebreathable air for anyone or anyauxiliary breathing device.Spraying material will alwaysneed to be in another area awayfrom the air compressor to notallow intake air to damage the aircompressor filter.
Never utilize the air compressorin the rain or wet conditions. Anyelectrical issues or repairsshould be performed byauthorized personnel such as anelectrician and should comply
with all national and localelectrical codes. The aircompressor should also have theproper three prong groundingplug, correct voltage, andadequate fuse protection.
Never operate the compressornear combustible materials,gasoline or solvent vapors. Ifspraying flammable materials,locate the air compressor at least50m away from the spray area.Never operate the aircompressor indoors or in aconfined area.
Always drain the air compressortank daily or after each use. Ifthe tank develops a leak, thenreplace the air compressor.Never use the air compressorafter a leak has been found ortried to make any modificationsto the tank. Never modify the aircompressor's factory settingswhich control the tank pressureor any other function.
INSTALLATION ANDASSEMBLY
This compressor requires nolubrication or oiling. No break inprocedure is required.
This air compressor shouldalways be operated in a clean,dry and well ventilatedenvironment. The unit shouldhave a minimum of one footspace on each side. The air filtershould be free of debris and dirt.
Extension CordsUse only a 3 wire extensioncord that has a 3 bladegrounding plug and a 3 slotreceptacle. Make sure theextension cord is in goodcondition. When using anextension cord, be sure touse one heavy enough tocarry the current thecompressor needs. Cordsmust not exceed 25 feet andshould be No. 12 AWG size.An undersize cord will causea drop in line voltage resultingin a loss of power andoverheating.Start Up1. Set the On/Off switch tothe off position.2. Check the air compressorvisually for any damage orobstruction.3. Close the drain valve.4. Plug the power cord intothe proper receptacle.5. Turn the On/Off switch tothe On position and thecompressor should start andbuild air pressure in the tankto cut-out pressure and thenshut off automatically.6. Adjust the regulator to aPSI setting that isrecommended for yourapplication.7. The air compressor is nowready for use.Turn Off1. Set the Auto-On/Off leverto the Off position.2. Unplug the power cordfrom the receptacle.
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3. Set the outlet pressure to zeroon the regulator.4. Remove any air tools oraccessories.5. Open the drain valve allowingair to bleed from the tank. Afterall of the air has bled from thetank, close the drain valve toprevent debris buildup in thevalve.
Water that remains in the tankduring storage will corrode andweaken the air tank, which couldcause the tank to rupture. Toavoid serious injury, be sure todrain the tank after each use ordaily.
Check the tank safety valve, andair filter before each use.
Storage
1. Turn the unit off and unplugthe power cord.2. Remove all air hoses,accessories and tools from thecompressor.3. Open the drain valve to bleedall the air from the tank.4. Close the drain valve.5. Store the compressor in aclean, dry location.
Move the compressor to a well-ventilated area
Lack of proper ventilation/roomtemperature too high
Clean filter (See MAINTENANCEsection, p. 3)Clogged air filter
Contact authorized service centerDefective check valve or pressureswitch
Turn the AUTO/OFF switch to theOFF position for 15 sec., then turnto the AUTO position
Compressed air in cylinder
Contact authorized service centerShorted or open motor winding
Contact authorized service centerDefective check valve or pressureswitch
Contact authorized service centerPressure switch bad
Replace blown fuseBlown fuse
Motor will restart when cool (approx.15 minutes)Thermal overload open
Reset. Determine why the problemhappenedBreaker down
Check with voltmeter (105v min)Low voltageThermal overloadprotector cuts off
repeatedly
Check for proper fuse. Use time-delay fuse. Disconnect from otherelectrical appliances from circuit oroperate compressor on its ownbranch circuit
Incorrect size fuse/circuit overloadedFuses blow/circuit
breaker tripsrepeatedly
CAUTION! Neveruse an extension
cord with this product
Check with voltmeter (105v min)Low voltage
Motor hums but doesnot run or runs
slowly
Check to see if it is plugged in.Check the fuse/breakerNo electrical power
Compressor will notrun
Corrective ActionPossible Cause(s)Symptom
Tighten connectionsConnection leakingClean or replace intake filterIntake filter dirty
Replace tank feetRubber tank feet worn/missing
Compressor not large enough tomeet CFM requirement for the airtool
Excessive air usage
Clean or replace filterClogged intake filter
Move compressor to area of lesshumidity; use air line filterHigh humidity
Disassemble check valveassembly. Clean or replace.DANGER! Do not disassemblecheck valve with air in tank.Bleed tank first.
Check valve leaking
Tighten draincockOpen draincock
Tighten draincockOpen draincockAir output lower than
normal
Tighten boltsLoose mounting boltsCompressor vibrates
Replace switchDefective pressure switchCompressor runs
continually
Drain receiverExcessive water in tankExcessive moisture in
discharge air
Check for air leaks. Use sealingtape on all leaking connectionsLoose connections (fittings, tubing, etc.)
Tank pressure dropswhen compressor
shuts off
Corrective ActionPossible Cause(s)Symptom
North American Tool Industries (NATI) makes every effort to ensure that this product meets highquality and durability standards. NATI warrants to the original retail consumer a 1-year limitedwarranty from the date the product was purchased at retail and each product is free from defects inmaterials. Warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence,or accidents, repairs or alterations, or a lack of maintenance. NAT shall in no event be liable for death,injuries to persons or property, or for incidental, special, or consequential damages arising from theuse of our products. To receive service under warranty, the original manufacturer part must bereturned for examination by an authorized service center. Shipping and handling charges may apply. Ifa defect is found, NATI will either repair or replace the product at its discretion.
DO NOT RETURN TO STORE
For Customer Service: Email: [email protected] or Call 1-800-348-5004
For Customer Service: Call 1-800-348-5004 or Email [email protected]
8807342 02/13
20 GALLON AIR COMPRESSOR
Model: 7342
For Customer Service: Call 1-800-348-5004 or Email [email protected]
20 GALLON AIR COMPRESSOR
# Description QTY. # Description QTY.1 Bolt M6x55 4 43 circlip 14 12 Spring Washer M6 4 44 screw m4x6 13 Cylinder Head 1 45 grounding signal 14 Exhaust Elbow 1 46 washer 4 15 Gasket of Cylinder Head 1 47 shroud 16 Valve Plate 2 48 tapping screw ST4.2x12 27 valve reed 2 49 washer m5 28 gasket of valve plate 1 50 boit m6x18 49 Gasket of cylinder upper 1 51 oil fill cap 110 cylinder 1 52 quick coupler 111 screw m8x25 2 53 pressure gauge y40 112 spring wasehr m8 2 54 pressure gauge y50 113 gasket of cylinder lower 1 55 regulator 114 compression ring 2 56 connect npt1/4x30 115 oil ring 1 57 connect of pressure switch 116 piston 1 58 pressure switch 117 piton pin 1 59 nut of pressure switch 118 circlip 12 2 60 safety valve 119 connect rod 1 61 relief nut 120 eccentric 1 62 relief tube 121 screw m8x22 1 63 power cord 122 bolt m6x18 4 64 cable connector U 223 oil sight gauge 1 65 cable connector O 124 seal of oil sight gauge 1 66 Tank 125 crankcase cover 1 67 check valve 126 gasket of crankcase cover 1 68 drain valve 127 crankcase 1 69 pressure tube 128 oil seal 1 70 compression nut 229 capacitor 1 71 washer 2/230 nut m8 1 72 rubber foot 131 inner teeth washer m8 1 73 washer m8 232 screw m3x6 2 74 nut m8 133 spring washer m3 2 75 nolt m8x20 134 bearing 6204 1 76 wheel 235 rotor 1 77 axle 236 bearing 6202 1 78 nut m10 237 stator 1 79 spring washer m10 238 washer 202 1 80 washer ø6 x ø14 x 1.5 239 rear motor seat 1 81 handle 140 bolt m5x105 4 82 grip on handle 141 spring washer m5 4 83 handle bolt m6x30 242 fan 1 84 air filter 1
