Loss of fluid from reservoir - TM-55-1905-220-14-30078

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Table 3-12. Hydrostarter - Cranking Speed Too Low Troubleshooting.

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

Loss of fluid pressure when engine is not running (Cont)

TM 55-1905-220-14-3

Table 3-13.

Hydrostarter - Loss of Fluid from Reservoir Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Loss of fluid from reservoir.

Step 1.

Inspect for external leaks.

With pressure in the system, check all hoses and fittings for leaks. Tighten the

fittings. Refer to Direct Support Maintenance.

Step 2.

Inspect hydrostarter shaft seal for leaking.

Remove hydrostarter inspection cover and look for signs of hydraulic oil on the

Bendix drive, the Hydrostarter shaft and inside the pinion gear housing. Refer to

Direct Support Maintenance.

Step 3.

Inspect engine pump shaft seal for leaking.

Refer to Direct Support Maintenance.

Step 4.

Inspect, hand pump seal for leaking.

Remove plunger gland and replace inner and outer O-rings.

Table 3-14.

Hydrostarter - Loss of Fluid Pressure When Engine is Not Running -

Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Loss of fluid pressure when engine is not running.

Step 1.

Check for ambient temperature decrease.

A drop in temperature will decrease the nitrogen pressure. Adjust the pressure as

needed for cranking requirements by use of the hand pump.

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