TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 11 of 926
TM 9-2320-283-20-1
Page
Section IV
EXHAUST SYSTEM .
.............................................................................................................
3-212
3-43.
General.
............................................................................................................
3-212
3-44.
Task Summary .
................................................................................................
3-212
3-45.
Muffler and Heat Shield Replacement.
.............................................................
3-214
3-46.
Exhaust Stack Pipe Replacement .
...................................................................
3-222
3-47.
Exhaust Flex Pipe Replacement .
.....................................................................
3-228
3-48.
Turbocharger Outlet Pipe Replacement.
..........................................................
3-234
3-49.
Muffler Inlet Pipe Replacement .
.......................................................................
3-240
Section V
COOLING SYSTEMI .
............................................................................................................
3-246
3-50.
General.
............................................................................................................
3-246
3-51.
Task Summary .
................................................................................................
3-246
3-52.
Cooling System Service.
...................................................................................
3-250
3-53.
Radiator Replacement.
.....................................................................................
3-260
3-54.
Radiator Support Rods Replacement.
..............................................................
3-272
3-55.
Transmission and Steering System Cooler
Replacement .
...................................................................................................
3-278
3-56.
Upper Fan Shroud Replacement.
.....................................................................
3-286
3-57.
Lower Fan Shroud Replacement.
.....................................................................
3-292
3-58.
Lines, Fittings, and Hoses Replacement.
.........................................................
3-296
3-59.
Thermostat and Thermostat Housing Replacement .
.......................................
3-314
3-60.
Water Manifolds Replacement .
........................................................................
3-324
3-61.
Water Shut-off Valves and Lines Replacement.
...............................................
3-338
3-62.
Water Filter and Bracket Replacement .
...........................................................
3-346
3-63.
Water Pump Drive Belt Replacement.
..............................................................
3-352
3-64.
Water Pump Replacement .
..............................................................................
3-356
3-65.
Fan and Fan Clutch Replacement.
...................................................................
3-364
3-66.
Fan Clutch Air Valve Replacement.
..................................................................
3-372
3-67.
Fan Clutch Drive Belts Replacement.
...............................................................
3-378
VOLUME 2 OF 3
Section VI
ELECTRICAL SYSTEM.
........................................................................................................
3-384
3-68.
General.
............................................................................................................
3-384
3-69.
Task Summary .
................................................................................................
3-384
3-70.
Alternator and Bracket Replacement.
...............................................................
3-396
3-71.
Alternator Drive Belts Replacement .
................................................................
3-406
3-72.
Starter Motor and Solenoid Replacement .
.......................................................
3-412
3-73.
Left-Hand Instrument Panel Gage Replacement .
............................................
3-420
3-74.
Ignition Switch Replacement .
...........................................................................
3-426
3-75.
Pushbutton Starter Switch Replacement.
.........................................................
3-430
3-76.
Ether Start Switch Replacement.
......................................................................
3-436
3-77.
Pushbutton Clearance Lamp Switch Replacement .
.........................................
3-440
3-78.
Headlamp Switch Replacement .
......................................................................
3-446
3-79.
Blackout Toggle Switch Replacement.
.............................................................
3-452
3-80.
Turn Signal Switch Replacement .
....................................................................
3-458
3-81.
Heater Fan Switch Replacement.
.....................................................................
3-468
3-82.
Headlamp Dimmer Switch Replacement.
.........................................................
3-474
iv
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