TM 9-2350-238-10
TROUBLESHOOTING–CONTINUED
SYMPTOM INDEX–CONTINUED
Troubleshooting
Procedures
Page
CAB, BOOM, AND WINCHES
Boom will not raise or lower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-24
Boom winch will not operate.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-25
Cab, boom, and winches do not respond to controls . . . . . . . . . . . . . . 3-23
Cab will not traverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-24
Level wind does not traverse cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-26
Level wind traverses cab in only one direction. . . . . . . . . . . . . . . . . . . . . . . . . ...3-26
Tow winch will not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-26
CAB ELECTRICAL SYSTEM
Flasher indicator lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-27
Flasher light does not operate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-27
Gas-particulate filter unit does not operate properly . . . . . . . . . . . . . . . . . . . . . . . 3-28
One or both floodlights do not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-27
DRIVING CONTROLS AND LINKAGES
Brakes do not hold vehicle on grade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-17
Spade does not raise or lower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-18
Transmission shift does not engage transmission properly . . . . . . . . . . . . . . . 3-17
Vehicle does not steer properly, or pulls to one side . . . . . . . . . . . . . . . . . . . . . 3-17
ENGINE
Engine cranks but fails to start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-7
Engine cranks too slowly to start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-9
Engine fails to crank or cranks slowly when starter switch is pushed . . . . . . . . 3-5
Engine labors, runs unevenly, accelerates improperly, or does not develop
full power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-9
Engine overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-12
Engine speed varies or stalls frequently . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-11
Engine will not shut down. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-14
Excessive smoke from exhaust after engine warmup . . . . . . . . . . . 3-13
High oil pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-14
Low or no oil pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-14
Runaway engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-15
LIGHTING SYSTEM
All lights do not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-19
Driving lights burn dimly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-19
Driving lights do not operate.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-19
TRACKS AND SUSPENSION
Track center guide rides on top of road wheel(s) or track climbs sprocket . . . . 3-22
Tracks require repeated adjustment . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . ...3-21
Vehicle sags on side or pitches . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . ...3-22
Vehicle throws track. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-21
TRANSMISSION
Oil pressure too low or too high . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-15
Oil temperature too high . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-16
Transmission does not drive in any range . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-17
3-4
