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 TM 55-1905-223-24-3
Table 3-1. Troubleshooting-CONT
MALFUNCTIO N
TEST OR INSPECTION
CORRECTIVE ACTION
b.
Replace piston and ring assembly (para. 3-24).
STEP 2.
Check for worn piston ring grooves.
Refer to Step 1 corrective action.
8.
Engine cranks but will not start (no smoke from exhaust).
STEP 1
Check if shutdown valve is closed or defective.
Replace shutdown valve (para. 3-16).
STEP 2.
Check for no fuel through governor actuator.
Replace fuel pump actuator (para. 3-16).
STEP 3.
Check for broken camshaft.
Replace camshaft (para. 3-23).
9.
Engine starts but will not keep running.
STEP 1.
Check injection timing (para. 3-18).
10.
Warm engine runs rough or misfires in operating range.
STEP 1.
Check for damaged camshaft.
Replace camshaft (para. 3-23.)
STEP 2.
Check injection timing.
Adjust timing (para. 3-18).
STEP 3.
Check valve timing.
Adjust timing (para. 2-40).
11.
Rough idle.
STEP 1.
Check injection timing.
Adjust timing (para. 3-18).
STEP 2.
Check valve timing.
Adjust timing (para. 2-40).
smoke excessive under load (blue smoke).
Check to see if piston rings are not sealing.
to Malfunction 7, Step 1 corrective action.
3-5
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