Detonation (Cont) - TM-55-1905-220-14-30198

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Detonation

TM-55-1905-220-14-3 Landing Craft Unit LCU 1671-1679 (1905-01-009-1056) Manual

Table 3-62. Anchor Winch Engine No Fuel or Insufficient Fuel Troubleshooting

TM 55-1905-220-14-3

Table 3-61. Anchor Winch Engine Abnormal Engine

Operation Troubleshooting (Cont).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Detonation (Cont).

b. 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.

Check for a defective blower-to-block gasket.

Replace the gasket, if necessary.

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 3-147

and 3-161.

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 3-147.

3-188