Excessive pressure - TM-55-1905-220-14-30169

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

Table 3-52. Anchor Winch - Hydraulic Tank Balanced

TM 55-1905-220-14-3

Table 3-51. Anchor Winch Torque Converter Troubleshooting (Cont).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Excessive pressure.

Step 1.

Inspect for stuck piston in relief valve of charging pump.

Refer to Direct Support Maintenance.

NOTE

The pressure and temperature gauges provide the operator with a constant check on converter

operation. Immediate recognition of an abnormal reading may prevent a breakdown. It is

important, therefore, whenever a gauge is found to be faulty it be immediately replaced.

Table 3-52. Anchor Winch - Hydraulic Tank Balanced

Piston Relief Valves Troubleshooting.

NOTE

Refer to paragraph 3-137 for all maintenance procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Erratic Pressure.

Step 1.

Check for foreign matter in system.

Drain, flush and refill system with clean fluid.

Step 2.

Inspect for a worn piston or seat in cover.

Replace piston and seat.

Step 3.

Inspect for piston sticking in body or cover.

Clean piston. Remove burrs by light lapping. Check freedom of movement on reassembly.

Replace if necessary.

3-158