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TM 5-2420-222-34
2-3.
TROUBLESHOOTING SYMPTOM INDEX (Cont’d).
Troubleshooting
Procedure
Page
TRANSMISSION
Brake Slips Under Load....................................................................................................................
2-10
Clutch Slips Under Load..................................................................................................................
2-10
Differential Will Not Lock .................................................................................................................
2-9
Excessive Gear Clash When Shifting..............................................................................................
2-9
Jumps When Engaged ....................................................................................................................
2-10
No Differential Action.......................................................................................................................
2-9
Noisy ...............................................................................................................................................
2-9
Shifts:
Too Fast ..................................................................................................................................
2-8
Too Slowly...............................................................................................................................
2-8
Table 2-1. Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE ASSEMBLY
1.
ENGINE IS HARD TO START/WILL NOT START.
Step 1.
Perform engine assembly vacuum test (see paragraph 3-2).
Replace air filter (see TM 5-2420-222-20).
Step 2.
Perform engine assembly compression test (see paragraph 3-1).
Repair as required.
Step 3.
Start engine to see if fuel metering pump Is working properly (see TM 5-2420-222-10).
Replace fuel metering pump (see paragraph 5-2).
2.
ENGINE STARTS BUT WILL NOT RUN.
Perform engine assembly vacuum test (see paragraph 3-2).
Replace air filter (see TM 5-2420-222-20).
3.
EXHAUST SMOKES EXCESSIVELY.
Step 1.
If blue smoke is present, check to see if intake and exhaust valves are seating properly.
Repair cylinder head (see paragraph 3-6).
Repair intake or exhaust valves (see paragraph 3-12).
2-3
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