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S & HT/S - TYPE FAN CLUTCHES PARTS LIST & SERVICING MANUAL
e
44 Kylta Road, West Heidelberg, 3081 Phone (03) 9450 8200 Fax (03) 9450 8222 email: [email protected]
w w w . n g c l a r k . c o m . a u
BENEFITS OF USING AHORTON FAN CLUTCH
Increased Available Horsepower
Increased Kilometers Per Litre
Reduced Warm Up Time
Engine Maintained in Optimum Temperature Range
Reduced Cabin Noise
Ease of Maintenance
Reliability
2
Horton EC450Horton S TYPEHorton HT650Horton HT/S (organic facing)Horton HT/S (sintered bronze facing)Horton DriveMasterHorton DriveMaster 2-Speed
850+ in/lbs850+ in/lbs1100 in/lbs1250+ in/lbs2000+ in/lbs2200+ in/lbs2600+ in/lbs
FAN CLUTCH PERFORMANCECOMPARISONS
sbl/ni +058 054CE notroH sbl/ni +058 EPYT S notroH
sbl/ni 0011 056TH notroH
Horton HT/S (organic facing) 1250+ in/lbs
Horton DriveMaster
Fan clutch sizing is directly related to the amount of torque required to start and run theengine fan. This is calculated by multiplying the fan horsepower draw by 63000. Theresultant figure is then divided by the maximum RPM of the fan. This provides the EngineFan maximum torque requirement to drive the Engine Fan.
Note: Contact Norman G Clark for fan horsepower specifications
®
Example: 50HP x 630002200 RPM
= 1432 in/lbs
3
®
Horton HT
ITEM DESCRIPTION QTY ITEM DESCRIPTION QTY
4 Pulley Bearings (Matched Ground Pair) 1 23 Cartridge Assy (Includes Circlip) 1
1laeSecaF421evaehS/yelluP6
7 Friction Facing (Sintered Bronze) 1 26 O-Ring ‘Small’ 1
1r 2” PilotebmahCriA721r (1/4’’or 3/4”)ecapSlanruoJ8
9 Cap Screws 8 8wercSpaC92
13 System Sentry™ (Note: LH Thread 6dutS031)
15 Piston Friction Disc Assembly 6rehsaW131
6tuN231’egraL‘gniRD-61
17 Fine Spline Hub (Note: Available as an Assembly Only.
1 44 Bearing Spacers (Inner & Outer set) 1
Piston Friction Disc outside diameter is 9.5” for: HT/S - Type Fan Clutch
GENERIC VIEW OF A HT/S - TYPE HORTON FAN CLUTCH
HT/S -TYPE FAN CLUTCHES
13
4(on some models)
3 JOURNAL BRACKET SHAFT WEAR OR DAMAGE.CIRCLIP GROOVE AND THREADED END DAMAGE.
4 SMOOTH ROTATION OF PULLEY BEARINGS. DO NOT LUBRICATE BEARINGS.6 PULLEY BEARING LAND DAMAGE
.7 FRICTION FACING WEAR OR DAMAGE8 JOURNAL SPACER DISHING OR CRACKING - REPLACE WITH LIP UP TOWARDS SPLINED HUB.13 SOME HT/S FAN CLUTCHES HAVE A SYSTEM SENTRY LEAD FUSE. THIS FUSE WILL MELT
RELEASING THE AIR WHEN THE FAN CLUTCH OVERHEATS. THIS IS DESIGNED TO PROTECTVITAL FAN CLUTCH PARTS.TO REMOVE FUSE TURN CLOCKWISE.NOTE: THIS IS A LEFT HAND THREAD. TO INSTALL REPLACEMENT TURN ANTI CLOCKWISE.
15 PISTON DISC ASSEMBLY WEAR IN SPLINES OR DISC SURFACE.17 SPLINED HUB WEAR OR DAMAGE.
NOTE : BEARINGS IN SPLINED HUB ARE PRE PACKED AND SEALED. THIS ASSEMBLY ISAVAILABLE ONLY IN KIT FORM.
16 & 26 O RINGS CRACKS OR FLAT SURFACES.23 CARTRIDGE DAMAGE TO THE CARBON TIP.24 FACE SEAL CRACKS OR MARKS ON SEAL FACE.
CAUTION:WHEN REPLACING FACE SEAL DO NOT OVERTIGHTEN. (50 INCH POUNDS/5.8 Nm)
27 AIR CHAMBER SURFACE WEAR OR DAMAGE TO SEALING AREA.
4 PULLEY BEARINGS (Matched Ground Pair)13 SYSTEM SENTRY FUSE (L/H Thread)15 DISC PISTON ASSEMBLY 52 TOOTH
(Suit HT/S Type) Fine Spline only17 FINE SPLINE HUB 52 TOOTH
(Complete assembly with pre-lubed bearings)22 HEX LOCK NUT
LUBRICANT TUBE FOR O RING SEALS FAN CLUTCH ROAD SIDE EMERGENCY KIT FAN CLUTCH LOCK UP BOLTS JOURNAL SPACER 1/4" JOURNAL SPACER 5/16"
F00104F994098F14585
F15925
F02693F14375F994313F21610F06438F06391
INDIVIDUAL PARTSTO SUIT HT/S - TYPE FAN CLUTCH
ITEM .ONTRAPNOITPIRCSED
INSPECTION LIST FOR HORTON FAN CLUTCHESCHECK FOR THE FOLLOWING:
5
13
™
™
HT/S -TYPE FAN CLUTCH KITS
1. PULLEY BEARINGS (Matched Ground Pair)2. FRICTION FACING SINTERED BRONZE3. BUTTON HEAD SCREWS4. SPACER5. SYSTEM SENTRY FUSE (L/H Thread)6. PISTON FRICTION DISC (PFD) ASSEMBLY (9.5 Inch Diameter)7. FINE SPLINE HUB ASSEMBLY8. HEX LOCK NUT9. D-RING (large) & O-RING (small)10. CARTRIDE ASSEMBLY & CIRCLIP11. FACE SEAL12. CAP SCREWS & SPRING WASHERS
ADVANTAGE SUPA KIT HTS - TYPE PART# F25008XD MAJOR OVERHAUL
118111111118
1.
2. 3.
4.5.
6.7.
8.
9.
11.
12.
ITEM .YTQNOITPIRCSEDHTS
TYPE9.5" DIA
10.
6
™
HT/S - TYPE FAN CLUTCH KITS
1. SYSTEM SENTRY LEAD FUSE (L/H Thread)2. FINE SPLINE HUB ASSEMBLY (Spacer Included) 3. PISTON FRICTION DISC (DFD) ASSEMBLY (9.5 Inch Diameter)4. HEX LOCK NUT5. CAP SCREWS & SPRING WASHERS
DISC PISTON KIT HTS - TYPE PART# F25006 UPGRADE KIT
11118
1.2.
3.4.
ITEM .YTQNOITPIRCSEDHT/STYPE
9.5" DIA
5.
7
™
HT/S - TYPE FAN CLUTCH KITS
FRICTION LINING KIT HT/S - TYPE PART# 994319K
ITEM .YTQNOITPIRCSEDHT/S
TYPE9.5" DIA
FINE SPLINE HUB & BEARING KIT HT/S - TYPE PAR T# F24104
ITEM .YTQNOITPIRCSEDHT/S
TYPE9.5" DIA
1. PULLEY BEARINGS (Matched Ground Pair)2. FINE SPLINED HUB ASSEMBLY (Spacer Included)3. LOCK NUT4. CAP SCREWS & SPRING WASHERS
1118
1. FRICTION FACING SINTERED BRONZE2. SCREW BUTTON HEAD SCREWS
1.
2.
3.
1.
2.
18
4.
8.
HT/S - TYPE FAN CLUTCH
1. SYSTEM SENTRY FUSE (L/H Thread)2. D-RINGS (large) O - RINGS (small)3. CARTRIDGE ASSEMBLY AND CIRCLIP4. FACE SEAL5. CAP SCREWS AND SPRING WASHERS
111181
1.
2. 3.
4.
5.
2.
.YTQNOITPIRCSED
SEAL KIT
HT/STYPE
9.5" DIA
6. O-RING LUBRICANT (not shown)
a
PART #F994205
9
™
ITEM DESCRIPTION QTY ITEM DESCRIPTION QTY1tuNkcoL221tekcarBlanruoJ3
4 Pulley Bearings (Matched Ground Pair) 1 23 Cartridge Assy (Includes Circlip) 1
1laeSecaF421evaehS/yelluP6
7 Friction Facing (Organic 1’llamS‘gniRO621)
1rebmahCriA721recapSlanruoJ8
9 Cap Screws 6 29 Cap Screws & Spring Washers 8
6d (various)utS03
6rehsaW131 (PFD)csiDnoitcirFnotsiP51
6tuN231D- ring (Large)61
17 Fine Spline Hub (Note: Available asAssembly Only.
1 44 Bearing Spacer Set (Inner & Outer) 1
GENERIC VIEW OF AN S - TYPE HORTON FAN CLUTCH
Piston Friction DiscDimension is 7.5” for:S - Type
S -TYPE FAN CLUTCHES
10
(on some models)
3 JOURNAL BRACKET SHAFT WEAR OR DAMAGE.CIRCLIP GROOVE AND THREADED END DAMAGE.
4 SMOOTH ROTATION OF PULLEY BEARINGS. DO NOT LUBRICATE BEARINGS.
6 PULLEY BEARING LAND DAMAGE.7 FRICTION FACING WEAR ORDAMAGE8 JOURNAL SPACER DISHING OR CRACKING - REPLACE WITH LIP UP TOWARDS SPLINED HUB.13 SOME HTS FAN CLUTCHES HAVE A SYSTEM SENTRY LEAD FUSE. THIS FUSE WILL MELT
RELEASING THE AIR WHEN THE FAN CLUTCH OVERHEATS. THIS IS DESIGNED TO PROTECTVITAL FAN CLUTCH PARTS.TO REMOVE FUSE TURN CLOCKWISE.NOTE: THIS IS A LEFT HAND THREAD TO INSTALL REPLACEMENT TURN ANTI CLOCKWISE.
15 PISTON FRICTION DISC ASSEMBLY-WEAR IN SPLINES OR DISC SURFACE.17 SPLINED HUB WEAR OR DAMAGE.
NOTE : BEARINGS IN SPLINED HUB ARE PRE PACKED AND SEALED. THIS ASSEMBLY ISAVAILABLE ONLY IN KIT FORM.
16 & 26 O RING CRACKING OR FLAT SURFACES.23 CARTRIDGE DAMAGE TO THE CARBON TIP.24 FACE SEAL CRACKS OR MARKS ON SEAL FACE.
CAUTION:WHEN REPLACING FACE SEAL DO NOT OVERTIGHTEN. (50 INCH POUNDS/5.8 NM)
27 AIR CHAMBER WEAR ON INNER SURFACES.
4 PULLEY BEARINGS (Matched Ground Pair)15 DISC PISTON FRICTION DISC ASSEMBLY 52 TOOTH
(Suit HTS Type) Fine Spline only17 FINE SPLINE HUB 52 TOOTH
(Complete assembly with pre-lubed bearings)22 HEX LOCK NUT
LUBRICANT TUBE FOR O RING SEALS FAN CLUTCH ROAD SIDE EMERGENCY KIT FAN CLUTCH LOCK UP BOLTS JOURNAL SPACER 1/4" JOURNAL SPACER 5/16" BEARING KIT S-STYE
F00104F14585
F15925
F02693F14375F994313F21610F06438F06391F09886
INDIVIDUAL PARTSTO SUIT S-TYPE FAN CLUTCH
ITEM .ON TRAPNOITPIRCSED
INSPECTION LIST FOR HORTON FAN CLUTCHESCHECK FOR THE FOLLOWING:
11
ITEM
S-TYPE FAN CLUTCH KITS
1. PULLEY BEARINGS (Matched Ground Pair)2. FRICTION FACING (Organic) 3. CAP SCREWS4. FINE SPLINE HUB ASSEMBLY (Spacer Included)5. POSITION FRICTION DISC (PFD) (7.5 inch Diameter)6. D-RING (large) O-RING (small)7. HEX LOCK UNIT8. CARTRIDGE ASSEMBLYAND CIRCLIP9. FACE SEAL10. CAP SCREWS AND SPRING WASHERS
70052F #TRAP LUAHREVO ROJAM EPYT - S TIK APUS
1161111118
ITEM .YTQNOITPIRCSED
1.
2. 3.
4.
5.
6.
7.8.
9.
10.
S-TYPE7.5" DIA
12
S - TYPE FAN CLUTCH KITS
1. FINE SPLINE HUB ASSEMBLY (Spacer Included)2. PISTON FRICTION DISC (PFD) (7.5 Inch Diameter) 3. HEX LOCK UNIT4. CAP SCREWS & SPRING WASHERS
DISC PISTON KIT S-TYPE
1118
ITEM .YTQNOITPIRCSED S-TYPE7.5"DIA
1.
2.
3.
4.
PART# F25005
13
S -TYPE FAN CLUTCH KITS
FRICTION LINING KIT S - TYPE PART# F25012
ITEM .YTQNOITPIRCSED S-TYPE7.5" DIA
FINE SPLINE HUB & BEARING KIT S -TYPE PART# F24104
ITEM .YTQNOITPIRCSED S-TYPE 7.5" DIA
1. PULLEY BEARINGS (Matched Ground Pair)2. FINE SPLINED HUB ASSEMBLY (Spacer Included)3. LOCK NUT4. CAP SCREWS & SPRING WASHERS
1118
1. FRICTION FACING (Organic) ON STEEL BACKING PLATE2. CAP SCREWS
1.
2.
3.
1.
2.
16
4.
14
S -TYPE FAN CLUTCH KITS
1. D - RING (large) O-RING (small) 2. CARTRIDGE ASSEMBLY AND CIRCLIP3. FACE SEAL4. CAP SCREWS AND SPRING WASHERS
1118
1.
2.
ITEM .YTQNOITPIRCSED S-TYPE7.5" DIA
SEAL KIT
3.
4.
1.
5. O-RING LUBRICANT (not shown) 1
PART# F994205
15
CONTROL SYSTEMS AND ALARMSTATS
Description Temperature Part No.
8037016P8037020P8037024P8037028P8037032P
185ºF/85ºC190ºF/87.5ºC195ºF/90ºC200ºF/93ºC205ºF/96ºC
NORMALLY CLOSEDNORMALLY CLOSEDNORMALLY CLOSEDNORMALLY CLOSEDNORMALLY CLOSEDNORMALLY OPENNORMALLY OPENNORMALLY OPENNORMALLY OPEN/CLOSED (Three Terminal)NORMALLY OPEN/CLOSED (Three Terminal)NORMALLY OPEN/CLOSED (Three Terminal)
195ºF/90ºC200ºF/93ºC205ºF/96ºC190ºF/87.5ºC205ºF/96ºC240ºF/110ºC
8037026P8037030P8037034P8037048P8037055P8037127P
UNIVERSAL 12 VOLTUNIVERSAL 12 VOLTUNIVERSAL 12 VOLTUNIVERSAL 24 VOLTUNIVERSAL 24 VOLT
195ºF/90ºC205ºF/96ºC200ºF/93ºC185ºF/85ºC195ºF/90ºC
F00108F00109F00112F00113F00110
MANUAL OVERRIDE KIT WITH DASHLIGHTAIR FILTER ASSEMBLYREFRIGERANT PRESSURE SWITCH (AIR CONDITIONING)BREATHERRESTRICTOR ASSEMBLY (2 pcs)
F00300F09390F08853F00131994000
12 VOLT SOLENOID ONLY NORMALLY OPEN24 VOLT SOLENOID ONLY NORMALLY OPEN12 VOLT SOLENOID - FILTER ASSEMBLY NORMALLY OPEN/CLOSED24 VOLT SOLENOID - FILTER ASSEMBLY NORMALLY OPEN/CLOSED
F093206F993211F093400F993401
NORMALLY OPEN 1 TERMINALNORMALLY OPEN 1 TERMINALNORMALLY OPEN 1 TERMINAL
215ºF/101.5ºC220ºF/104.5ºC225ºF/107ºC
8039019P8039023P8039025P
ALARMSTATS/THERMAL SWITCHES
HORTON FAN CLUTCH CONTROL KITS S -TYPE AND HT/S - TYPE FAN CLUTCHES
ALARM SWITCHES
CONTROL KIT PARTS
HORTON AIR SOLENOIDS
16
SYSTEM SENTRY FUSE
All HT/S-Type Fan Clutches with a 9.5 inch Diameter Drive Disc have been equipped with a System Sentry Fuse.
The System Sentry Fuse ( Part No.F994098) is located in one of the raised nodes on the front section of the Piston Friction Disc (PFD) Assembly. Should the Fan Clutch be subjected to excessive and prolonged slippage causing overheating, the System Sentry Fuse will melt, thereby releasing the air.
This is designed to protect vital Fan Clutch parts.
Note: The System Sentry Fuse has a left hand thread identified with an arrow on the Piston Friction Disc (PFD) Assembly.
FAN CLUTCH
Dust Seal between AirChamber and PFD Check for discoloration or
other signs of overheating.
Come-homebolt holes
System SentryTM
fuse and exhaust hole
Pilot hole
17
™
™
™
5/16” UNC
This information is provided to assist with the installation and operation of the Horton Fan Clutch.
C A U T I O N !WORK SAFELY AROUND FAN AREA.
USE CARE WHEN WORKING WITH COMPRESSED AIR LINES.
Air Pressure at Fan Clutch input should be 100 psi for correct Fan Clutch operation. Low air pressure can lead to Fan Clutch slippage. This can cause damage to vital Fan Clutch components if left unattended.
Air System should be clean and dry of moisture. Drain the Filter twice weekly. The Filter bowl is located at the Solenoid.
Air Lines, avoid excessive bends in air line: (1) to the Air Solenoid, (2) from the Air Solenoid to the Fan Clutch.
Fan Clutch Drive Belts should be matched sets (where applicable) and tensioned to manufacturers specification.
Fan Blades should be checked for correct clearance to radiator, shroud and engine components. If fan blade damage or cracks are detected, replace the fan.Routine inspection of Horton Fan Clutch should be carried out every 200,000 km. Switch off engine. Do notwork around the fan area with the engine running. The Fan Clutch could engage at any time.
Check for air leaks at the Fan Clutch and air lines leading to the Fan Clutch.
Remove and plug air line at the Fan Clutch input. Loosen fan belts. Rotate the pulley and feel for smoothrotation of bearings. Repeat this procedure on the front section of the Fan Clutch. Check friction facing for wear. The Friction Facing should not be less than approx. 4mm thick.
Avoid applying steam or high pressure cleaner directly to the Fan Clutch espesially when hot. Cover Fan Clutch and all electrical components prior to cleaning radiator cooling fins.
HORTON FAN CLUTCH MANUAL LOCK UP PROCEDURE
Disconnect and plug air line to Fan Clutch. Align the two bolt holes in front section of Fan Clutch with the two tapped holes located in the pulley sheave. Install the 2 grade 8 5/16” UNC socket head cap screws supplied in the glove box kit. Tighten cap screws to 25-30 ft.lbs. Clamping the clutch, not the screws,provides the turning force. Part Number for lock up bolt kit F21617.Note: The lock up procedure is a temporary measure only. Fault should be found and rectified as soon
as possible.
A full range of spare parts is available from your nearesr Horton Authorised Dealer.
INSTALLATION AND OPERATIONINSTRUCTIONS
18
HORTON DIESELTEMPHT650 FAN CLUTCH
Replacement for Horton HT550 and HT750 Fan Clutches
Suitable as an u pgrade for your Viscous or Direct Fan Drive
Purpose built for vehicles with Live Shaft Fan Drives
Saves fuel, saves horsepower
Switches your engine fan OFF
Suitable for some Mack, S cania, Volvo; European and Japanese models
2
19
Description Part No.
COMPLETE UNIT HT650 ASSEMBLYREPAIR KIT HT650REPAIR KIT HT550REPAIR KIT HT750
F991439F994317F994200F994278
Repair kits for HT550 & HT750 available
™
1527
10
8
1228
13
144
3
29
1
9
5
5
914
1322
11
16
ITEM DESCRIPTION QTY
1 Mounting Bracket Shaft 13 Drive Sleeve (incl. Bearing) 14 Friction Disc 15 Silicone Sleeve 28 Piston (incl. Friction Facing 1
and Sleeve Bearings)9 Compression Springs 210 O-ring Seal 111 Air Chamber 1
ITEM DESCRIPTION QTY
12 Socket Head Cap Screw 613 Set Screw 214 Seal Washer 215 Retaining Washer 116 Pan Head Screw 322 Shoulder Screw (Locking) 227 Rotary Air Union 1
Assembly28 O-ring Seal 129 Warning Stticker 1
22
The Horton HT650 on-off Fan Clutch represents the ultimate in medium duty fan clutch technology. A light weight aluminium housing with a torque capacity of up to 1150 in/lbs, the HT650 is suitable as a replacement for a viscous fan drive, or an upgradefor a direct (constant) fan drive.
All Horton pneumatic fan clutches are field serviceable by any Horton authorised agent. Repair kits are readily available and are easy to intall.
HORTON DIESELTEMPHT650 FAN CLUTCH
20
™
ENGINE COOLING FANS - FAN SELECTION
6 28
N.G.C
21
MAXIMUM RECOMMENDED FAN DIAMETERS:
HT/S - TYPE.............................32"HT650........................................28"S - TYPE....................................28"DriveMaster...... ........................36"
Mounting Bolts &
®
HTS - Type Fan Clutches with 9.5” Diameter Disc Piston and
S - Type Fan Clutches with 7.5” Diameter Disc Piston
The following upgrade kits replace the now obsolete 22 ToothSplined Hub & Disc/Piston assemblies:
Please Note: 1. All.Fan Clutches manufactured by Norman G. Clark now.contain the new 52 Tooth Fine Splined Hub Assemblies.
2. All Fine Splined Hubs now contain split ring bearings.
3. All HTS - Type Fan Clutches manufactured by Norman G. Clarkare now fitted with Sintered Bronze Friction Facings unlessspecified otherwise.
Representatives of Norman G. Clark are available to assist spare parts andservice personnel on all technical aspects of Horton Fan Clutch assemblies.
FAN CLUTCH PARTS
Upgrade Kit Part Number: F25006 to suit HTS - Type Fan Clutch
Upgrade Kit Part Number: F25005 to suit S - Type Fan Clutch
22
HT/S FRICTION FACING KIT
This type of Friction Facing is only available for the HTS.-.Type.FanClutch (9.5 inch diameter).
The Sintered Bronze Facing can be used on 450 HP plus engines and will help reduce Fan Clutch slippage for high torque Fan Drive applications.
Part No. F25008XD Advantage Supa Kit to suit HTS.-.Type Fan Clutches contains the Sintered Bronze Lining plus all the parts shown on Page 6 of this Horton Fan Clutch Parts Manual.
FAN CLUTCH PRODUCT UPGRADE
44 Kylta Road, West Heidelberg, 3081 Phone (03) 9450 8200 Fax (03) 9450 8222 email: [email protected]
w w w . n g c l a r k . c o m . a u
Please note that all of the preceeding information is available on our website, www.ngclark.com.au. From the 'products' button on the menu bar, go to the Fan Clutches page and follow the link.
23
Part No. 994319K contains a Sintered Bronze Friction Facing, and 8 Mounting Cap Screws.
