TM 10-4320-310-14
Table 3-1. Operator Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Clean air cleaner restriction indicator.
If red band appears in window of restriction indicator, and rain hood is not
blocked and no damage to system components is found, replace air filter
(para 34).
Step 4.
Check for loose connections or a restricted or damaged line between fuel lift
pump and tank, between fuel lift pump and injection pump, and between
injection pump and injector. Tighten loose connections. Report damaged lines
to unit maintenance.
Step 5.
Check for restrictions in suction or discharge hoses or hose end.
Clean away debris. If hoses are severely damaged or restricted, replace.
6.
DENSE SMOKE FROM EXHAUST AFTER WARMUP
Step 1.
Shut down engine. With engine level, check oil level (para 3-2)
Add oil if necessary.
Step 2.
Check window of air cleaner restriction indicator for red band indicating blocked
air cleaner.
If red band appears in window of restriction indicator, and rain hood is not
blocked and no damage to system components is found, replace air filter
(para 34).
Step 3.
Notify unit maintenance.
7.
UNIT OVERHEATS (ERRATIC OPERATION, LACK OF POWER)
Step 1.
Check cylinder cooling fins for damage or dirt.
Remove accumulated dust and dirt.
Start engine after cleaning.
Step 2.
Shut down engine. With engine level, check oil level (para 3-2).
Add oil if necessary.
Step 3.
Check muffler for obstruction.
Remove obstruction.
Step 4.
Notify unit maintenance.
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