Table 3-53. Anchor Winch - Hydraulic Tank Check Valves Troubleshooting

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Table 3-52. Anchor Winch - Hydraulic Tank Balanced

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

Table 3-54. Anchor Winch - Hydraulic Tank Pressure Control Valves Troubleshooting

TM 55-1905-220-14-3

Table 3-53. Anchor Winch - Hydraulic Tank Check

Valves Troubleshooting.

NOTE

Refer to paragraph 3-137 for all maintenance procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Erratic Operation.

Step 1.

Check for foreign matter in system.

Drain, flush and refill system with clean fluid.

Step 2.

Inspect for worn piston or seat.

Replace piston or seat.

Step 3.

Inspect for sticking piston.

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

Replace if necessary.

Excessive noise or chatter.

Step 1.

Inspect for high oil velocity in valve.

Check system.

Step 2.

Inspect for distorted control spring.

Replace spring.

Step 3.

Inspect for worn piston or seat.

Replace piston and seat.

3-160