272-24P-1.PDF

ARMY TM 9-2320-272-24P-1

AIR FORCE TO 36A12-1C-1155-4-1

TECHNICAL MANUAL

UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

REPAIR PARTS AND SPECIAL TOOLS LIST

FOR

TRUCK, 5-TON, 6X6, M939, M939A1, M939A2

SERIES TRUCKS (DIESEL)

FEBRUARY 1999

TRUCK, CARGO: 5-TON, 6X6, DROPSIDE,

M923 (2320-01-050-2084) (EIC: BRY); M923A1 (2320-01-206-4087) (EIC: BSS); M923A2 (2320-01-230-0307) (EIC: BS7);

M925 (2320-01-047-8769) (EIC: BRT); M925A1 (2320-01-206-4088) (EIC: BST); M925A2 (2320-01-230-0308) (EIC: BS8);

TRUCK, CARGO: 5-TON, 6X6 XLWB,

M927 (2320-01-047-8771) (EIC: BRV); M927A1 (2320-01-206-4089) (EIC: BSW); M927A2 (2320-01-230-0309) (EIC: BS9);

M928 (2320-01-047-8770) (EIC: BRU); M928A1 (2320-01-206-4090) (EIC: BSX); M928A2 (2320-01-230-0310) (EIC: BTM);

TRUCK, DUMP: 5-TON, 6X6,

M929 (2320-01-047-8756) (EIC: BTH); M929A1 (2320-01-206-4079) (EIC: BSY); M929A2 (2320-01-230-0305) (EIC: BTN);

M930 (2320-01-047-8755) (EIC: BTG); M930A1 (2320-01-206-4080) (EIC: BSZ); M930A2 (2320-01-230-0306) (EIC: BTO);

TRUCK, TRACTOR: 5-TON, 6X6,

M931 (2320-01-047-8753) (EIC: BTE); M931A1 (2320-01-206-4077) (EIC: BS2); M931A2 (2320-01-230-0302) (EIC: BTP);

M932 (2320-01-047-8752) (EIC: BTD); M932A1 (2320-01-205-2684) (EIC: BS55); M932A2 (2320-01-230-0303) (EIC: BTQ);

TRUCK, VAN, EXPANSIBLE: 5-TON, 6X6,

M934 (2320-01-047-8750) (EIC: BTB); M934A1 (2320-01-205-2682) (EIC: BS4); M934A2 (2320-01-230-0300) (EIC: BTR);

TRUCK, MEDIUM WRECKER: 5-TON, 6X6,

M936 (2320-01-047-8754) (EIC: BTF); M936A1 (2320-01-206-4078) (EIC: BS6); M936A2 (2320-01-230-0304) (EIC: BTT).

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

DEPARTMENTS OF THE ARMY AND THE AIR FORCE

AIR FORCE TO 36A12-1C-1155-4-1

TECHNICAL MANUAL HEADQUARTERS

NO. 9-2320-272-24P-1 DEPARTMENTS OF THE ARMY AND THE AIR FORCE

Washington D.C., 1 February 1999

TECHNICAL ORDER

NO. 36A12-1C-1155-4-1

UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

REPAIR PARTS AND SPECIAL TOOLS LIST

FOR

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TRUCK MODEL EIC NSN WITHOUT WINCH NSN WITH WINCH

Cargo, Dropside M923 BRY 2320-01-050-2084 Cargo, Dropside M923A1 BSS 2320-01-206-4087 Cargo, Dropside M923A2 BS7 2320-01-230-0307 Cargo, Dropside M925 BRT 2320-01-047-8769 Cargo, Dropside M925A1 BST 2320-01-206-4088 Cargo, Dropside M925A2 BS8 2320-01-230-0308 Cargo M927 BRV 2320-01-047-8771 Cargo M927A1 BSW 2320-01-206-4089 Cargo M927A2 BS9 2320-01-230-0309 Cargo M928 BRU 2320-01-047-8770 Cargo M928A1 BSX 2320-01-206-4090 Cargo M928A2 BTM 2320-01-230-0310 Dump M929 BTH 2320-01-047-8756 Dump M929A1 BSY 2320-01-206-4079 Dump M929A2 BTN 2320-01-230-0305 Dump M930 BTG 2320-01-047-8755 Dump M930A1 BSZ 2320-01-206-4080 Dump M930A2 BTO 2320-01-230-0306 Tractor M931 BTE 2320-01-047-8753 Tractor M931A1 BS2 2320-01-206-4077 Tractor M931A2 BTP 2320-01-230-0302 Tractor M932 BTD 2320-01-047-8752 Tractor M932A1 BS5 2320-01-205-2684 Tractor M932A2 BTQ 2320-01-230-0303 Van, Expansible M934 BTB 2320-01-047-8750 Van, Expansible M934A1 BS4 2320-01-205-2682 Van, Expansible M934A2 BTR 2320-01-230-0300 Medium Wrecker M936 BTF 2320-01-047-8754 Medium Wrecker M936A1 BS6 2320-01-206-4078 Medium Wrecker M936A2 BTT 2320-01-230-0304

REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS

You can help improve this manual. If you find any mistakes or if you know of a way to improve the procedures, please let us know. Mail your letter or DA Form 2028 (Recommended Changes to Publications and Blank Forms), or DA Form 2028-2 located in back of this manual, directly to: Director, Armament and Chemical Acquisition and Logistics Activity, ATTN: AMSTA-AC-NML, Rock Island, IL 61299-7630. A reply will be furnished to you. You may also provide DA Form 2028-2 information via datafax or e-mail: ·

• E-mail: amsta-ac-nml.@ria-emh2.army.mil

• Fax: DSN 783-0726 or commercial (309) 782-0726

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

TM 9-2320-272-24P-1

TABLE OF CONTENTS

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Page Figure

Section I INTRODUCTION Section II REPAIR PARTS LIST................................................................................................ 1-1

Group 01 ENGINE .................................................................................................................... 1-1 1 0100 Engine and Container Assembly (M939, M939A1) ........................................... 1-1 1 0100 Engine and Container Assembly (M939A2)...................................................... 2-1 2 0100 Engine Lifting Brackets (M939, M939A1) ......................................................... 3-1 3 0100 Engine Lifting Brackets (M939A2)................................................................... 4-1 4 0100 Engine Mounts (M939, M939A1)..................................................................... 5-1 5 0100 Engine Mounts (M939A2) ............................................................................... 6-1 6 0101 Cylinder Block Assembly (M939, M939A1) ...................................................... 7-1 7 0101 Cylinder Block Assembly (M939A2)................................................................. 8-1 8 0101 Cylinder Head Assembly, Gasket, and Mounting

Hardware (M939, M939A1)............................................................................. 9-1 9 0101 Cylinder Head Assembly, Gasket, and Mounting

Hardware (M939A2)....................................................................................... 10-1 10 0101 Engine Access Cover (M939, M939A1)........................................................... 11-1 11 0102 Crankshaft Assembly (M939, M939A1)............................................................ 12-1 12 0102 Crankshaft Assembly (M939A2)...................................................................... 13-1 13 0103 Flywheel Gear Assembly and Housing (M939, M939A1)................................... 14-1 14 0103 Flywheel Housing and Flexplate (M939A2) ...................................................... 15-1 15 0103 Crankshaft Rear Cover (M939, M939A1) ......................................................... 16-1 16 0104 Piston and Rod Assembly (M939, M939A1)..................................................... 17-1 17 0104 Piston and Rod Assembly (M939A2) ............................................................... 18-1 18 0105 Front Gear Cover (M939, M939A1)................................................................. 19-1 19 0105 Front Gear Cover (M939A2) ........................................................................... 20-1 20 0105 Camshaft, Gear, and Related Parts (M939, M939A1) ....................................... 21-1 21 0105 Camshaft, Gear, and Related Parts (M939A2)................................................. 22-1 22 0105 Cam Follower, Housing, and Push Rods (M939, M939A1)................................ 23-1 23 0105 Valves, Springs, Guides, and Miscellaneous

Parts (M939, M939A1) ................................................................................... 24-1 24 0105 Valves, Springs, Guides, and Miscellaneous Parts (M939A2)............................ 25-1 25 0105 Rocker Arms and Miscellaneous Hardware (M939, M939A1)............................ 26-1 26 0105 Rocker Arms and Miscellaneous Hardware (M939A2) ...................................... 27-1 27 0105 Valve Cover and Gasket (M939, M939A1)....................................................... 28-1 28 0105 Valve Cover and Gasket (M939A2)................................................................. 29-1 29 0106 Engine Oil Filter (M939, M939A1) ................................................................... 30-1 30 0106 Engine Oil Cooler Assembly (M939, M939A1).................................................. 31-1 31 0106 Engine Oil Cooler and Filter (M939A2) ............................................................ 32-1 32 0106 Engine Oil Pump (M939, M939A1) .................................................................. 33-1 33 0106 Engine Oil Dipstick and Tube (M939, M939A1) ................................................ 34-1 34 0106 Engine Oil Pump and Dipstick (M939A2)......................................................... 35-1 35 0106 Engine Oil Pump Lines and Fittings (M939, M939A1) ....................................... 36-1 36 0106 Engine Oil Pan and Related Parts (M939, M939A1)......................................... 37-1 37 0106 Engine Oil Pan and Related Parts (M939A2) ................................................... 38-1 38 0106 Engine Oil Draft Tube (M939, M939A1) ........................................................... 39-1 39 0106 Crankshaft Breather Tube (M939A2)............................................................... 40-1 40 0108 Air Intake Manifold (M939, M939A1) ............................................................... 41-1 41 0108 Exhaust Manifold (M939, M939A1).................................................................. 42-1 42 0108 Exhaust Manifold (M939A2)............................................................................ 43-1 42 0109 Accessory Drive, Pulley, and Related Parts (M939, M939A1)............................ 44-1 43 0109 Tachometer Access Cover (M939A2) .............................................................. 45-1 44

Group 03 FUEL SYSTEM.......................................................................................................... 46-1 46 0301 Fuel Injector Assembly and Related Parts (M939, M939A1).............................. 46-1 46 0301 Fuel Injector Assembly (M939A2).................................................................... 47-1 47 ii

M 9-2320-272-24P-1 TABLE OF CONTENTS (Cont'd)

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0301 Fuel Injector Supply Tubes (M939A2) ............................................................. 48-1 48 0302 Fuel Pump Assembly, AFC (M939, M939A1) .................................................. 49-1 49 0302 Fuel Pump Governor and Tachometer Drive Assembly, AFC (M939, M939A1) ................................................................................... 50-1 50 0302 Fuel Pump Housing, AFC (M939, M939A1) .................................................... 51-1 51 0302 Fuel Pump Damper (M939, M939A1) ............................................................. 52-1 52 0302 Fuel Gear Pump Assembly and Mounting

Hardware (M939, M939A1) ............................................................................ 53-1 53 0302 Fuel Pump Assembly with VS Governor (M939, M939A1)................................. 54-1 54 0302 Fuel Pump Governor and Tachometer Drive Assembly, VS (M939, M939A1) ...................................................................................... 55-1 55 0302 Fuel Pump Housing, VS (M939, M939A1) ....................................................... 56-1 56 0302 Fuel Injector Pump (M939A2) ......................................................................... 57-1 57 0302 Fuel Injector Pump, Camshaft, and Related Parts (M939A2)............................. 58-1 58 0302 Fuel Injector Pump Plunger and Control Rack (M939A2).................................. 59-1 59 0302 Fuel Transfer Pump (M939A2)........................................................................ 60-1 60 0304 Air Cleaner Indicator and Related Parts........................................................... 61-1 61 0304 Air Intake System (M939, M939A1)................................................................. 62-1 62 0304 Air Intake System (M939A2)........................................................................... 63-1 63 0305 Turbocharger Hoses and Clamps (M939A2).................................................... 64-1 64 0305 Turbocharger Assembly (M939A2).................................................................. 65-1 65 0306 Fuel Crossover, Drain, and Bypass Tubing ...................................................... 66-1 66 0306 Fuel Tank Mounting, Single Tank, L.H............................................................. 67-1 67 0306 Fuel Tank Mounting, Single Tank, R.H ............................................................ 68-1 68 0306 Fuel Tank Mounting, Dual Tank ...................................................................... 69-1 69 0306 Fuel Tank Vent Lines, Single, L.H................................................................... 70-1 70 0306 Fuel Tank Supply and Return Lines, Single, L.H. (M939, M939A1) .................................................................................... 71-1 71 0306 Fuel Tank Supply and Return Lines, Single, L.H. (M939A2) ............................. 72-1 72 0306 Fuel Tank Vent Lines, Single, R.H................................................................... 73-1 73 0306 Fuel Tank Supply and Return Lines, Single, R.H.............................................. 74-1 74 0306 Fuel Tank Supply and Return Lines, Dual........................................................ 75-1 75 0306 Fuel Tank Lines, Dual, L.H ............................................................................. 76-1 76 0306 Fuel Tank Selector Valve to R H. Fuel Tank Lines, Dual .................................. 77-1 77 0306 Dual Fuel Tank Supply and Return Lines (M939A2)......................................... 78-1 78 0306 Fuel Tank Fuel Lines to L.H. Tank, Wrecker ................................................... 79-1 79 0306 Dual Fuel Tank Fuel Lines to R.H. Tank, Wrecker ........................................... 80-1 80 0306 Fuel Tank Selector Valve Assembly and Related Parts .................................... 81-1 81 0306 Fuel Tank Assembly ...................................................................................... 82-1 82 0306 Fuel Tank Protector Plate and Mounting Hardware........................................... 83-1 83 0308 Fuel Pump Governor, AFC (M939, M939A1).................................................... 84-1 84 0308 Fuel Pump Spring Pack, AFC (M939, M939A1)................................................ 85-1 85 0308 Fuel Pump Governor, VS (M939, M939A1)...................................................... 86-1 86 0308 Fuel Pump Lower Spring Pack, VS (M939, M939A1)........................................ 87-1 87 0308 Fuel Pump Upper Spring Pack, VS (M939, M939A1)........................................ 88-1 88 0308 Manifold Pressure Compensator Assembly and Related

Parts (M939A2).............................................................................................. 89-1 89 0308 Governor Cover and Related Parts (M939A2).................................................. 90-1 90 0308 Flyweight Assembly (M939A2)........................................................................ 91-1 91 0308 Governor Housing (M939A2).......................................................................... 92-1 92 0309 Fuel Filter, Water Separator, and Mounting

Hardware (M939, M939A1)............................................................................. 93-1 93 0309 Fuel Filter/Water Separator (M939A2) ............................................................. 94-1 94 0309 Fuel Pump Filter, AFC (M939, M939A1) .......................................................... 95-1 95 0309 Fuel Pump Filter, VS (M939, M939A1) ............................................................ 96-1 96 iii

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0311 Ether Start Cylinder, Switch, and Related Lines and Fittings.. ........................... 97-1 97 0311 Atomizer Nozzle (M939A2) ............................................................................. 98-1 98 0311 Fuel Primer Pump .......................................................................................... 99-1 99 0312 Accelerator Controls and Linkage (M939, M939A1).......................................... 100-1 100 0312 Accelerator and Throttle Linkage (M939A2) ..................................................... 101-1 101

Group 04 EXHAUST SYSTEM .................................................................................................. 102-1 102 0401 Muffler, Exhaust Pipes, and Related Parts....................................................... 102-1 102 0401 Exhaust System (M939A2)............................................................................. 103-1 103

Group 05 COOLING SYSTEM .................................................................................................. 104-1 104 0501 Radiator Hoses and Mounting Hardware (M939, M939A1) ............................... 104-1 104 0501 Upper Radiator Mounting Hardware and Hoses (M939, M939A1)...................... 105-1 105 0501 Lower Radiator Mounting Hardware (M939, M939A1) ...................................... 106-1 106 0501 Radiator Assembly and Mounting Hardware (M939A2)..................................... 107-1 107 0501 Radiator Assembly......................................................................................... 108-1 108 0501 Surge Tank Assembly, Hoses, and Mounting

Hardware (M939, M939A1)............................................................................. 109-1 109 0501 Surge Tank Assembly (M939A2)..................................................................... 110-1 110 0501 Surge Tank Lines and Clamps (M939A2) ........................................................ 111-1 111 0502 Shroud Assembly and Mounting Hardware (M939, M939A1) ............................ 112-1 112 0502 Radiator Fan Shroud (M939A2) ...................................................................... 113-1 113 0503 Thermostat, Housing, Seal, and Mounting

Hardware (M939, M939A1)............................................................................. 114-1 114 0503 Thermostat and Housing Assembly (M939A2) ................................................. 115-1 115 0503 Water Manifold, Cover, and Mounting

Hardware (M939, M939A1)............................................................................. 116-1 116 0503 Air Compressor Coolant Lines and Related

Parts (M1939, M939A1) ................................................................................. 117-1 117 0504 Water Pump Assembly, Seals, and Mounting

Hardware (M939, M939A1)............................................................................. 118-1 118 0504 Water Pump (M939A2)................................................................................... 119-1 119 0505 Fan Clutch Assembly, Fan, and Belts (M939, M939A1).................................... 120-1 120 0505 Fan Assembly (M939A2) ................................................................................ 121-1 121 0505 Fan Drive Clutch Assembly (M939A2) ............................................................. 122-1 122 0505 Belt Tensioner Pulley (M939A2)...................................................................... 123-1 123 0507 Engine Aftercooler (M939A2).......................................................................... 124-1 124

Group 06 ELECTRICAL SYSTEM.............................................................................................. 125-1 125 0601 Alternator Assembly, Mounting Hardware, Belts, and

Pulley (M939, M939A1) .................................................................................. 125-1 125 0601 Alternator Mounting (M939A2)........................................................................ 126-1 126 0603 Starting Motor Assembly and Mounting

Hardware (M939, M939A1)............................................................................. 127-1 127 0603 Starter Assembly (M939A2)............................................................................ 128-1 128 0606 Shutdown Valve and Mounting Hardware (M939, M939A1).. ............................ 129-1 129 0606 Throttle Control Solenoid (M939A2) ................................................................ 130-1 130 0607 Control Panel, Light Switch, and Fuel Tank Selector Switch ............................. 131-1 131 0607 Instrument Cluster Assembly .......................................................................... 132-1 132 0607 Instrument Cluster Assembly (M939A2)........................................................... 133-1 133 0607 Instrument Panel, Floodlight, Heater, Warning Switches, Lamp Holder, and Auxiliary Receptacle ........................................................... 134-1 134 0607 Circuit Breakers(M939, M939A1) .................................................................... 135-1 135 0607 Control Unit and Directional Flasher ................................................................ 136-1 136 0607 Protective Control Box, High Beam Switch, and Mounting

Hardware ...................................................................................................... 137-1 137 0608 CTIS Electrical Wiring Harness (M939A2)........................................................ 138-1 138 0609 Taillight Assembly and Mounting Hardware ..................................................... 139-1 139 iv

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0609 Front Composite Light and Mounting Hardware................................................ 140-1 140 0609 Blackout Lamp and Headlight ......................................................................... 141-1 141 0609 Taillight and Blackout Light Brackets and Mounting Hardware........................... 142-1 142 0609 Side Marker Lights, Brackets, and Mounting Hardware..................................... 143-1 143 0609 Floodlight Assembly....................................................................................... 144-1 144 0610 Fuel Pressure Transducer and Support, Fuel Level Transmitter, Parking Brake, and Warning Control Device .................................................... 145-1 145 0610 Low Air Warning Switch, Mechanical Tachometer, Transmission Temperature Transmitter, Coolant Temperature Sending Unit, Oil Pressure Transmitter, and Stoplight Switch............................ 146-1 146

0610 Temperature Transmitter and Tachometer Pulse Sender (M939A2)........................................................................................... 147-1 147

0611 Horn Assembly, Related Tubing, and Mounting Bracket ................................... 148-1 148 0611 Horn Button and Diode Coupling Assembly ..................................................... 149-1 149 0611 Horn Cover, Brush, and Capacitor Assembly ................................................... 150-1 150 0612 Batteries, Cables, and Related Parts............................................................... 151-1 151 0612 Battery Cables (M939A2) ............................................................................... 152-1 152 0612 Battery Box Assembly, Cover, and Mounting Hardware ....... ............................ 153-1 153 0612 Slave Receptacle, Cable Assemblies, and Mounting Hardware......................... 154-1 154 0613 Electrical Ground Straps (M939, M939A1)....................................................... 155-1 155 0613 Electrical Ground Straps (M939A2)................................................................. 156-1 156 0613 Harness Assembly, Front Vehicle Lights.......................................................... 157-1 157 0613 Front Wiring Harness, Assembly..................................................................... 158-1 158 0613 Front Wiring Harness, Partial View.................................................................. 159-1 159 0613 Front Wiring Harness, Partial View (M939A2) .................................................. 160-1 160 0613 Front Wiring Harness Clamps and Hardware ................................................... 161-1 161 0613 Front Wiring Harness Clamps and Hardware ................................................... 162-1 162 0613 Front Wiring Harness Bracket and Hardware ................................................... 163-1 163 0613 Rear Wiring Harness Assembly, Cargo............................................................ 164-1 164 0613 Rear Wiring Harness Assembly, Wrecker ........................................................ 165-1 165 0613 Rear Wiring Harness Assembly, Dump............................................................ 166-1 166 0613 Rear Wiring Harness Assembly, Tractor .......................................................... 167-1 167 0613 Rear Wiring Harness Assembly, Van............................................................... 168-1 168 0613 Rear Wiring Harness Assembly, Chassis......................................................... 169-1 169 0613 Crane Wiring Leads ....................................................................................... 170-1 170 0613 Wrecker Crane Boom Wiring Harness............................................................. 171-1 171 0613 Side Marker Light Leads................................................................................. 172-1 172 0613 Side Marker Light Leads................................................................................. 173-1 173 0613 Instrument Cluster Harness ............................................................................ 174-1 174

Group 07 TRANSMISSION ....................................................................................................... 176-1 176 0700 Transmission Assembly and Shipping Container.............................................. 176-1 176 0700 Transmission Mounting Hardware, Fluid Dipstick, and

Tube Assembly (M939, M939A1) .................................................................... 177-1 177 0700 Transmission Mounting Bracket (M939A2)....................................................... 178-1 178 0700 Transmission Dipstick Tube (M939A2) ............................................................ 179-1 179 0705 Transmission Shift Quadrant Control Cable and Neutral

Safety Switch (M939, M939A1)....................................................................... 180-1 180 0705 Transmission Shift Control Cable and Related Parts (M939A2)......................... 181-1 181 0705 Wrecker Governor Piping and Capacitor Assembly .......................................... 182-1 182 0705 Transmission Modulator and Cable Assembly (M939, M939A1) ........................ 183-1 183 0705 Transmission Modulator and Cable Assembly (M9393A2) ................................ 184-1 184 0708 Torque Converter and Lockup Clutch.............................................................. 185-1 185 0710 Adapter Housing and Low Planetary Carrier Assembly..................................... 186-1 186 0710 Housing Assembly and Forward Clutch........................................................... 187-1 187 v

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0710 Main Shaft and Carrier Assembly.................................................................... 188-1 188 0710 Transmission Housing, Oil Filter, Oil Pan, and Mounting

Hardware ...................................................................................................... 189-1 189 0710 Rear Cover Assembly and Related Parts......................................................... 190-1 190 0713 First Clutch.................................................................................................... 191-1 191 0713 Second, Third, and Fourth Clutch Assembly, and Center

Support (Transmission P/N 6885292).............................................................. 192-1 192 0713 Second, Third, and Fourth Clutch Assembly, and Center

Support (Transmission P/N 23040127)............................................................ 193-1 193 0713 Low Clutch .................................................................................................... 194-1 194 0714 Control Valve Assembly and Mounting Hardware............................................. 195-1 195 0714 Modulated Lockup Valve and Mounting Hardware............................................ 196-1 196 0714 Low Shift Signal Valve, Low Trimmer Valve, and Mounting

Hardware ...................................................................................................... 197-1 197 0714 Transmission Tubing, Governor, and Filter Assembly....................................... 198-1 198 0721 Transmission Vent Line .................................................................................. 199-1 199 0721 Oil Pump and Front Support Assembly

(Transmission P/N 6885292) .......................................................................... 200-1 200 0721 Oil Pump and Front Support Assembly

(Transmission P/N 23040127)......................................................................... 201-1 201 0721 Transmission Oil Cooler and Mounting

Hardware ...................................................................................................... 202-1 202 0721 Transmission Oil Cooler and Fittings ............................................................... 203-1 203 0721 Oil Hoses, Filter, and Mounting Hardware

(M939, M939A1) ............................................................................................ 204-1 204 0721 Oil Hoses (M939A2)....................................................................................... 205-1 205

Group 08 TRANSFER CASE ASSEMBLY .................................................................................. 206-1 206 0800 Transfer Case and Shipping Container............................................................ 206-1 206 0801 Transfer Case Mounting Hardware, Housing, Flanges, and

Speedometer Drive ........................................................................................ 207-1 207 0801 Transfer Case Housing, Output Shaft, and Cover............................................. 208-1 208 0801 Transfer Housing Input and Intermediate Drive Shafts...................................... 209-1 209 0802 Transfer Clutch Assembly and Synchronizer Assemble.................................... 210-1 210 0803 Transfer Controls ........................................................................................... 211-1 211 0803 Transfer Air Control Lines ............................................................................... 212-1 212 0803 Transfer Air-Actuated Controls and Interlock Valve........................................... 213-1 213 0803 Transfer Air-Actuated Controls and Manifold Fittings ........................................ 214-1 214 0803 Transfer Air-Actuated Controls........................................................................ 215-1 215 0803 Transfer Shift Mechanisms ............................................................................. 216-1 216 0804 Transfer Oil Pump and Related Parts .............................................................. 217-1 217

Group 09 PROPELLER SHAFTS AND UNIVERSAL JOINTS ...................................................... 218-1 218 0900 Propeller Shaft Assembly, Front Axle to Transfer

Shaft (Dana) (M939, M939A1) . ...................................................................... 218-1 218 0900 Propeller Shaft Assembly, Front Axle to Transfer

Shaft (Rockwell) (M939, M939A1)................................................................... 219-1 219 0900 Propeller Shaft Assembly, Transfer to Front Axle

Shaft (Dana) (M939, M939A1)........................................................................ 220-1 220 0900 Propeller Shaft Assembly, Transfer to Front Axle

Shaft (Rockwell) (M939, M939A1)................................................................... 221-1 221 0900 Propeller Shaft Assembly, Transfer to Front Axle

Shaft (M939A2).............................................................................................. 222-1 222 0900 Propeller Shaft Assembly, Transmission to

Transfer (M939, M939A1)............................................................................... 223-1 223 vi

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Page Figure

0900 Propeller Shaft Assembly, Transmission to Transfer (M939A2)...................................................................................................... 224-1 224

0900 Propeller Shaft Assembly, Transfer to Forward Rear Axle (Longwheel Base).......................................................................................... 225-1 225

0900 Propeller Shaft Assembly, Forward Rear Axle to Forward Rear Axle (Short Wheelbase).......................................................................... 226-1 226

0900 Propeller Shaft Assembly, Transfer to Forward Rear Axle (X-Long Wheelbase) ...................................................................................... 227-1 227

0900 Propeller Shaft Assembly, Forward Rear Axle to Rear Rear Axle (Dana)................................................................................... 228-1 228

0900 Propeller Shaft Assembly, Forward Rear Axle to Rear Rear Axle (Rockwell).............................................................................. 229-1 229

Group 10 FRONT AXLE ............................................................................................................ 230-1 230 1000 Front Axle and Housing Assembly (M939, M939A1)......................................... 230-1 230 1000 Front Axle and Housing Assembly (M939A2) ................................................... 231-1 231 1002 Front Axle Differential Assembly ..................................................................... 232-1 232 1002 Front Axle Differential Carrier Assembly, Access Covers, and Related Parts .......................................................................................... 233-1 233 1002 Front Axle Differential Through Shaft, Gears, and Flange

Assemblies.................................................................................................... 234-1 234 1002 Front Axle Differential Helical Drive Pinion and Related Parts. .......................... 235-1 235 1004 Spindle Shaft Assembly, Universal Shaft, and Knuckle

Assembly ...................................................................................................... 236-1 236 Group 11 REAR AXLE .............................................................................................................. 237-1 237

1100 Forward Rear and Rear Rear Axle Assemblies (M939, M939A1)....................... 237-1 237 1100 Forward Rear and Rear Rear Axle Assemblies (M939A2)................................. 238-1 238 1102 Rear Axle Differential Assembly and Mounting Hardware ................................. 239-1 239 1102 Rear Axle Differential Carrier Assembly, Access Cover, and

Related Parts................................................................................................. 240-1 240 1102 Rear Axle differential Through Shaft, Gears, and Flange

Assemblies.................................................................................................... 241-1 241 1102 Rear Axle Differential Helical Drive Pinion and Related Parts............................ 242-1 242

Group 12 BRAKES ................................................................................................................... 243-1 243 1201 Parking Brake Lever Assembly, Cable, and Mounting Hardware ....................... 243-1 243 1201 Parking Brake Shoe Assembly, Drum, Dust Shield, and Related

Parts............................................................................................................. 244-1 244 1202 Front Axle Brake and Spider Assembly ........................................................... 245-1 245 1202 Rear Axle Brake and Spider Assembly ............................................................ 246-1 246 1202 Service Brake Mounting Plate (M939A2) ......................................................... 247-1 247 1206 Treadle Valve Assembly................................................................................. 248-1 248 1206 Treadle Valve Assembly, Basic....................................................................... 249-1 249 1208 Air Chambers, Front and Rear Brakes ............................................................. 250-1 250 1208 Rear Axle Fail-safe Brake Chamber Assembly................................................. 251-1 251 1208 Front Service Half Coupling, Air Brake Valve, and Related

Parts............................................................................................................. 252-1 252 1208 Air Control Lines, Front Service Check Valve to Brake

Chambers ..................................................................................................... 253-1 253 1208 Double-check Valves and Related Service Air Lines......................................... 254-1 254 1208 Rear Service Half Coupling and Mounting Hardware ........................................ 255-1 255 1208 Quick Release Valve, Air Brake Valves, and Related Lines .............................. 256-1 256 1208 Treadle Valve to Secondary Relay Valve and Primary Relay

Valve to Half Coupling Lines ........................................................................... 257-1 257 1208 Primary and Secondary Relay Valve, Mounting Hardware, and Related Lines .......................................................................................... 258-1 258 vii

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Mounting Hardware........................................................................................ 259-1 259 1208 Rear Rear Axle Air Brake Chamber Control Lines and

Mounting Hardware........................................................................................ 260-1 260 1208 Front Emergency Half Coupling and Related Lines .......................................... 261-1 261 1208 Rear Emergency Half Couplings and Mounting Hardware ................................ 262-1 262 1208 Air Compressor to Wet Reservoir Air Supply Lines ........................................... 263-1 263 1208 Primary, Secondary, Wet Reservoirs, and Related Lines ....... .......................... 264-1 264 1208 Air Tank Reservoirs, Drainvalves, and Related Lines ....................................... 265-1 265 1208 Spring Brake Reservoir, Mounting Hardware, Spring Brake

Release Valve, and Related Air Supply Lines .................................................. 266-1 266 1208 Air Supply Lines, Double-check Valve to Coupling to Push-Pull

Valve, and Supply Line Quick Release Valve to Tee to Fail- Safe Tee ....................................................................................................... 267-1 267

1208 Fail-safe Air Brake Chamber Lines .................................................................. 268-1 268 1208 Air Supply Lines, Treadle Valve to Primary and Secondary

Air Tanks, and Relay Valves ........................................................................... 269-1 269 1208 Dash Control Air Supply Lines, Spring Brake Control Valve to

Primary and Secondary Air Reservoirs ............................................................ 270-1 270 1208 Treadle Valve to Quick Release Valve and Air Intake Tubing ............................ 271-1 271 1208 Front Brake Chamber Vent Lines and Limiting Valve........................................ 272-1 272 1208 Vent Lines, Air Intake Manifold to Primary and Secondary

Relay Valves, and Rear Axle Vent Lines.......................................................... 273-1 273 1208 Secondary Vent Lines, Rear Axle Brake Chambers to Fail-safe

Brake Chamber.............................................................................................. 274-1 274 1208 Primary Vent Lines, Rear Axle Air Brake.......................................................... 275-1 275 1208 Alcohol Evaporator and Air Compressor to Air Governor Lines ......................... 276-1 276 1208 Clutch Fan Actuator and Related Air Lines ...................................................... 277-1 277 1208 Pressure Regulator, Double-check Valves, and Air Lines ................................. 278-1 278 1208 Brake Lock Valve and Air Lines ...................................................................... 279-1 279 1208 Front Air Brake Chamber Valve Assembly ....................................................... 280-1 280 1208 Rear Brake Relay Valve Assembly.................................................................. 281-1 281 1208 Air Brake Governor Assembly and Mounting Hardware .................................... 282-1 282 1208 Spring Brake Release Control Valve Assembly................................................ 283-1 283 1209 Air Compressor Assembly (M939, M939A1)..................................................... 284-1 284 1209 Air Compressor Mounting and Lines (M939A2) ................................................ 285-1 285 1209 Air Compressor Assembly (M939A2)............................................................... 286-1 286 1209 Air Compressor Lines (M939A2)..................................................................... 287-1 287 1211 Trailer Brake Control Valve, Hand Valve, and Related Lines ............................ 288-1 288 1211 Trailer Air Supply Valve Assembly................................................................... 289-1 289 1211 Tractor Protection Valve, Double-check Valve, and Trailer

Service Air Lines ............................................................................................ 290-1 290 1211 Trailer Brake Lines, Emergency and Service Couplings, and

Related Lines ................................................................................................ 291-1 291 Group 13 WHEELS................................................................................................................... 292-1 292

1311 Wheel Assembly............................................................................................ 292-1 292 1311 Front Wheel Hub and Drum Assembly (M939, M939A1)................................... 293-1 293 1311 Front Wheel Hub and Drum Assembly (M939A2)............................................. 294-1 294 1311 Rear Wheel Hub and Drum Assembly (M939, M939A1).................................... 295-1 295 1311 Rear Wheel Hub and Drum Assembly (M939A2).............................................. 296-1 296 1311 Front Axle Wheel Valve Installation (M939A2).................................................. 297-1 297 1311 Wheel Valve Assembly (M939A2)................................................................... 298-1 298 1311 Rear Axle Wheel Valve Assembly (M939A2).................................................... 299-1 299 1313 Tire and Tube Assembly................................................................................. 300-1 300 viii

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Group 14 STEERING................................................................................................................ 301-1 301 1401 Steering Column, Wheel, and Propeller Shaft .................................................. 301-1 301 1401 Stone Shield and Pitman Arm ......................................................................... 302-1 302 1401 Tie Rod Assemblies ....................................................................................... 303-1 303 1407 Steering Gear Assembly and Mounting Hardware............................................ 304-1 304 1407 Steering Gear Sector Shaft and Housing Assembly

(M939, M939A1) ............................................................................................ 305-1 305 1407 Steering Gear, Worm, and Valve (M939, M939A1)........................................... 306-1 306 1407 Sheppard Steering Gear Assembly and Mounting Hardware ... ......................... 307-1 307 1407 Steering Gear Sector Shaft and Housing Assembly.......................................... 308-1 308 1407 Steering Gear, Worm, and, Valve (M939A2).................................................... 309-1 309 1410 Power Steering Pump Assembly, Pulley Assembly, Mounting

Hardware, and Belts . .................................................................................... 310-1 310 1410 Power Steering Pump Assembly (M939, M939A1) ........................................... 311-1 311 1410 Power Steering Pump Assembly (M939A2) ..................................................... 312-1 312 1411 Power Steering Hydraulic Lines and Fittings .................................................... 313-1 313 1411 Power Steering Hydraulic Lines and Fittings (cont'd) ......... .............................. 314-1 314 1411 Power Steering Oil Cooler, Hydraulic Lines, and Fittings

(M939A2)...................................................................................................... 315-1 315 1412 Tie Rod End, Steering Cylinder Assembly, and Booster Shield.. ....................... 316-1 316 1412 Power Steering Cylinder Assembly ................................................................. 317-1 317

Group 15 FRAME AND TOWING ATTACHMENTS..................................................................... 318-1 318 1501 Frame Assembly, Standard Cargo, and Dropside Cargo................................... 318-1 318 1501 Frame Assembly, Dump ................................................................................. 319-1 319 1501 Frame Assembly, Wrecker ............................................................................. 320-1 320 1501 Frame Assembly, Van.................................................................................... 321-1 321 1501 Frame Assembly, Tractor ............................................................................... 322-1 322 1501 Frame Assembly, Long Wheel Base Cargo...................................................... 323-1 323 1501 Frame Assembly, Chassis (M939.................................................................... 324-1 324 1501 Frame Assembly (M939A2) ............................................................................ 325-1 325 1501 Front Bumper, Lifting Shackle, Hood Latch, and

Mounting Hardware........................................................................................ 326-1 326 1501 Rear Bumperette and Shackle Assembly......................................................... 327-1 327 1501 Front and Rear Field Clock Anchors (M939, M939A1) ...................................... 328-1 328 1503 Pintle Hook Assembly .................................................................................... 329-1 329 1503 Towing Pintle Mounting Brackets, Tractor........................................................ 330-1 330 1503 Towing Pintle Mounting Brackets, Dump.......................................................... 331-1 331 1503 Towing Pintle Mounting Brackets .................................................................... 332-1 332 1504 Spare Wheel Carrier, Dump (M939)................................................................ 333-1 333 1504 Spare Wheel Carrier, Dump (M939A1, M939A2).............................................. 334-1 334 1504 Spare Wheel Carrier, Cargo and Van (M939)................................................... 335-1 335 1504 Spare Wheel Carrier, Cargo and Van (M939A1, M939A2) ................................ 336-1 336 1504 Spare Wheel Carrier, Tractor (M939)............................................................... 337-1 337 1504 Spare Wheel Carrier, Tractor (M939A1, M939A2)............................................ 338-1 338 1504 Lifting Device and Davit Assemblies (M939, M939A1) ... .................................. 339-1 339 1504 Davit Assembly, Spare Wheel Carrier (M939A1, M939A2)................................ 340-1 340 1504 Spare Wheel Davit and Winch Assembly, Van

(M939, M939A1) ............................................................................................ 341-1 341 1504 Spare Wheel Carrier, Wrecker (M939) ............................................................ 342-1 342 1506 Fifth Wheel Assembly and Mounting Plates (M939, M939A1)............................ 343-1 343 1506 Fifth Wheel Assembly, Basic Leveling Wedge, and Subbase ............................ 344-1 344 1506 Fifth Wheel Assembly, Basic .......................................................................... 345-1 345 ix

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Group 16 SPRINGS AND SHOCKS........................................................................................... 346-1 346 1601 Front Leaf Spring Assembly and Related Parts................................................ 346-1 346 1601 Rear Leaf Spring Mounting Hardware.............................................................. 347-1 347 1601 Rear Leaf Spring and Seat Assemblies ........................................................... 348-1 348 1604 Shock Absorber and Mounting Hardware......................................................... 349-1 349 1605 Torque Rod and Mounting Hardware............................................................... 350-1 350

Group 18 BODY, CAB, AND HOOD........................................................................................... 351-1 351 1801 Front Guard Assembly and Hood Mounting Hardware ...................................... 351-1 351 1801 Radiator Baffle Assemblies and Mounting Hardware ........................................ 352-1 352 1801 Hood and Related Parts ................................................................................. 353-1 353 1801 Hood Support and Stop Cables....................................................................... 354-1 354 1801 Splash Guard Assembly and Related Parts, L.H .............................................. 355-1 355 1801 Splash Guard Assembly and Related Parts, R.H.............................................. 356-1 356 1801 Splash Panel Extension (M939A2) .................................................................. 357-1 357 1801 Cab Assembly Mounting Hardware ................................................................. 358-1 358 1801 Cab Body Assembly and Related Parts ........................................................... 359-1 359 1801 Basic Cab Assembly and Engine Cover (M939A2) ........................................... 360-1 360 1801 Door Assemblies, Machine Gun Mounting Bracket, and

Related Parts ................................................................................................