LOSS OF FLUID FROM RESERVOIR - TM-55-1905-221-14-10170

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ENGINE DRIVEN PUMP FAILS TO RAISE PRESSURE.

TM-55-1905-221-14-1 Landing Craft Mechanized Steel DED Overall Length 74 Feet Mod 1 Mark VIII Navy Design LCM-8 Manual

LOSS OF ACCUMULATOR PRECHARGE (NITROGEN).

TM 55-1905-221-14-1

Table 4-1. Troubleshooting (Continued).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 3. Check to see if control valve is fully opened.

Replace valve if necessary (para 4-38 or 4-39).

Step 4. Check to see if inlet line is restricted.

Clear restriction.

14. LOSS OF FLUID FROM RESERVOIR.

Step 1. Check for external leaks.

With pressure in system check air hoses and fittings for leaks. Tighten or replace defective part.

Step 2. Check for internal leaks.

Check level of oil in reduction gears. A leaking seal in the hydrostarter will allow hydraulic fluid from

the starter system to enter the reduction gear case. Replace starter, drain transmission oil, and flush.

Replace filter and fill with clean oil.

15. LOSS OF FLUID PRESSURE WHEN ENGINE IS NOT RUNNING.

Check for external leakage in system. Examine all hoses and fittngs for leaks. Tighten or replace fittings and

any defective parts.

16. HAND PUMP FAILS TO CHARGE SYSTEM.

Step 1. Check manual relief valve if open.

Close relief valve.

Step 2. Check fluid level.

Add oil if necessary.

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