Excessive pressure - TM-55-1905-219-14-30167

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Low output horsepower

TM-55-1905-219-14-3 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

Table 3-52. Anchor Winch - Hydraulic Tank Balanced Piston Relief Valves Troubleshooting (Cont).

TM 55-1905-219-14-3

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

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4. 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

1. 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.

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