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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
3.
Detonation (Cont).
Step 1.
c.
Inspect the blower oil seals by removing the air inlet housing and watching
through the blower inlet for oil radiating away from the blower rotor shaft oil
seals while the engine is running. If oil is passing through the seals, refer to
Direct Support Maintenance.
d.
Check for a defective blower-to-block gasket. Replace the gasket. Refer to
paragraph 3-68.
Step 2.
Check for low coolant temperature.
Refer to MALFUNCTION 1.
Step 3.
Check for faulty injectors.
a.
Check injector timing and the position of each injector rack. Refer to paragraph 3-
71 and 3-87.
b.
The erratic operation may be caused by an injector check valve leaking, spray tip
holes enlarged, or a broken spray tip. Replace faulty injectors. Refer to paragraph
3-71.
3-94/(3-95 blank)
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