TM-5-3805-254-34
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
MARCH 1993
TM-5-3805-254-34 - Page 27 of 727
TM 5-3805-254-34
Table 2-1.
Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Inspect forward clutch for damage (see paragraph 6-16).
Repair forward clutch (see paragraph 6-30).
Step 4.
Inspect fourth clutch for damage (see paragraph 6-17).
Repair fourth clutch (see paragraph 6-31).
19.
VEHICLE CREEPS EXCESSIVELY WITH TRANSMISSION IN FIRST GEAR AND REVERSE.
Check engine idle speed (see TM 5-3805-254-34&P).
Adjust engine Idle speed (see TM 5-3805-254-34&P).
20.
TRANSMISSION SHIFTS ROUGHLY.
Step 1.
Inspect transmission shift cable for damage (see TM 5-3805-254-20).
Replace transmission shift cable (see TM 5-3805-254-20).
Step 2.
Inspect transmission shift cable for out of adjustment (see TM 5-3805-254-20).
Adjust transmission shift cable (see TM 5-3805-254-20).
Step 3.
Inspect for defective transmission control valve (see paragraph 6-34).
Repair transmission control valve (see paragraph 6-34).
Step 4.
Inspect for defective transmission modulator valve (see paragraph 6-7).
Repair transmission modulator valve (see paragraph 6-7).
21.
TRANSMISSION OVERHEATS.
Step 1.
Check level of transmission oil (see TM 5-3805-254-10).
Add transmission oil if low (see TM 5-3805-254-20).
Drain transmission oil if high (see TM 5-3805-254-20).
Step 2.
Inspect for clogged torque converter cooler (see paragraph 6-6).
Perform maintenance on transmission torque converter cooler (see paragraph 6-6).
22.
TRANSMISSION FAILS TO RESPOND TO SHIFT CONTROL.
Step 1.
Inspect transmission shift cable for damage (see TM 5-3805-254-20).
Replace transmission shift cable (see TM 5-3805-254-20).
Step 2.
Check gage for low transmission oil pressure (see TM 5-3805-254-20).
Replace transmission oil filter element (see TM 5-3805-254-20).
Replace seal ring of transmission oil filter element (see TM 5-3805-254-20).
Repair transmission oil pump (see paragraph 6-28).
Repair transmission control valve (see paragraph 6-34).
2-8
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