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 TM 55-1905-220-14-3
Table 3-24.
Generator Engine - Abnormal Engine Operation Troubleshooting (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
Lack of power (Cont).
Step 3.
d. Check the compression pressures.
Refer to the Hard Starting Table 3-23.
Step 4.
Check for incorrect operation of the engine which may result in excessive loads on
the engine. Operate the engine according to the approved procedures.
Step 5.
Check for high return fuel temperature. Refer to table 3-25.
Step 6.
Check for high ambient air temperature.
Check the ambient air temperature. A power decrease of .15 to .50 horsepower per
cylinder, depending upon injector size, for each I0oF (5.50C) temperature rise
above 90o F (32 C) will occur. Operate ventilation fans to provide a cooler source
of air.
3-91
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