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TM 5-2420-222-34
Table 2-1. Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16.
EXCESSIVE GEAR CLASH WHEN SHIFTING.
Step 1.
Check for worn or broken shifter levers.
Replace shifter levers (see paragraph 8-14).
Step 2.
Remove transmission top cover (see paragraph 8-12 or 8-13). Check to see if gears rotate with
clutch pedal depressed.
Replace worn or damaged friction plugs (see paragraph 8-4).
Step 3.
Remove transmission top cover (see paragraph 8-12 or 8-13). Check to see if transmission oil
pump is working properly.
Repair or replace transmission oil pump (see paragraph 8-19).
17.
TRANSMISSION NOISY.
Step 1.
Remove transmission top cover (see paragraph 8-12 or 8-13). Check to see if transmission oil
pump Is working properly.
Repair or replace transmission oil pump (see paragraph 8-19).
Step 2.
Inspect transmission for worn or damaged parts.
Repair or replace transmission (see paragraph 8-2).
Step 3.
Check differential assembly for worn or damaged bearings or gears.
Repair differential assembly (see paragraph 8-7).
Repair differential drive shaft assembly (see paragraph 8-6).
Step 4.
Check to see if ring gear is out of adjustment or damaged.
Adjust or replace ring gear (see paragraph 8-6).
18.
NO DIFFERENTIAL ACTION.
Step 1.
Check for worn or damaged bevel pinion gear (see paragraph 8-7).
Replace bevel pinion gear (see paragraph 8-7).
Step 2.
Check to see if ring gear is out of adjustment or damaged (see paragraph 8-6).
Adjust or replace ring gear (see paragraph 8-6).
19.
DIFFERENTIAL WILL NOT LOCK.
Step 1.
Check to see if lock pedal turns on shaft.
Tighten lock pedal (see paragraph 8-8).
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