Table 3-36. Hydrostarter - Starter Turns but Engine Does Not Troubleshooting

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Hand pump fails to discharge fluid (Cont)

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

Table 3-37. Hydrostarter - Loss of Accumulator Precharge (Nitrogen) Troubleshooting cont'd

TM 55-1905-220-14-3

Table 3-36.

Hydrostarter - Starter Turns but Engine Does Not

Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Starter turns but engine does not - troubleshooting.

Step 1.

Check for pinion not engaging in flywheel ring gear.

Replace as per paragraph 3-101. Refer to Direct Support Maintenance.

Step 2.

Check for broken bendix drive.

Replace Bendix drive. Operator should disengage hydrostarter as soon as engine

starts. Prolonging the period during which clutch overruns will reduce clutch life.

Table 3-37.

Hydrostarter - Loss of Accumulator Precharge

(Nitrogen) Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Loss of accumulator precharge (nitrogen).

Step 1.

Check for damaged seal ring on piston.

With some nitrogen precharge but no fluid pressure in the system, bubbles and

foaming in the reservoir indicate that the nitrogen is leaking past the seal ring on

the accumulator piston. Refer to Direct Support Maintenance.

3-120