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TM 5-4210-220-34
Table 2-1. DIRECT SUPPORT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2a OIL LEAKING AT TRANSMISSION OUTPUT SHAFT
Step 1.
Check for worn or damaged oil seal.
Replace seal (para. 2-19).
Step 2.
Check for flange worn at seal.
Replace flange and seal, (para. 2-19).
3a ENGINE CRANKS BUT WILL NOT START, OR IS DIFFICULT TO START.
Step 1.
Check stop solenoid energizes and stop rod extends when Ignition switched on
Replace stop solenoid, (para. 2-19.12).
Step 2.
Check engine timing and valve clearances.
Retime exhaust valves and injectors as required, (para. 2-19.7).
Step 3.
Check for low cylinder compression.
a.
Regrind or replace exhaust valves, (para. 2-19.7).
b.
Replace leaking cylinder head gasket, (para. 2-19.8).
c.
Refer to General Support.
3b ENGINE RUNS ERRATICALLY OR STALLS FREQUENTLY
Step 1.
Check fuel rack setting.
Reset fuel rack, (para. 2-19.6).
Step 2.
Check for low cylinder compression.
a. Regrind or replace exhaust valves, (para. 2-19.7).
b. Replace leaking cylinder head gasket, (para. 2-19.8).
c. Refer to General Support
Step 3.
Check governor.
Overhaul governor and check fuel rack for binding, (para. 2-19.12).
Step 4.
Check injector spray tips.
Replace bad injectors, (para. 2-19.5).
2-4
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