TM 9-2320-360-10
MALFUNCTION INDEX
Troubleshooting
Procedure
(Page)
ENGINE
Engine will not crank when ENGINE switch is turned to start ......................................... 3-5
Engine cranks but will not start ................................................................................... 3-6
Engine starts but misfires, runs rough, lacks power, or
makes excessive exhaust smoke ............................................................................. 3-9
Excessive engine oil consumption .............................................................................. 3-11
CHECK GAUGES indicator lights .............................................................................. 3-12
CHECK ENGINE indicator lights ................................................................................ 3-13
Low OIL PRESS gage reading .................................................................................. 3-13
Engine overheats (WATER TEMP gage continuously reads
in red area approximately 230 F (110 C)) ............................................................... 3-14
AIR SYSTEM
LOW AIR indicator lights and warning alarm sounds .................................................. 3-15
Air system loses pressure during operation or air pressure
buildup is slow ....................................................................................................... 3-17
Trailer brakes will not operate when service brake pedal, trailer
handbrake control, or PARKING BRAKE control are applied .................................... 3-20
Windshield washer will not operate............................................................................. 3-21
Horn (city) will not operate ........................................................................................ 3-22
Horn (country) will not operate .................................................................................. 3-23
Large quantity of moisture expelled from reservoirs .................................................... 3-23
Air system pressure builds up to more than 125 psi (862 kPa) .................................... 3-23
Noisy air compressor operation.................................................................................. 3-23
STEERING, SUSPENSION
HET Tractor wanders, pulls to one side, leans, or shimmies ....................................... 3-24
HET Tractor difficult to steer or excessive play ........................................................... 3-26
POWER TRAIN (TRANSMISSION, TRANSFER CASE, PROPELLER SHAFT, AND AXLE)
Transmission erratic shifting, slips in all gears, moves on level terrain ......................... 3-27
3-2