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 TM 55-1905-219-14-3
Table 3-55. Anchor Winch Hydraulic Tank Pressure
Reducing Valves Troubleshooting (Cont).
NOTE
Refer to paragraph 3-124 for all maintenance procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Erratic Pressure (Cont).
Step 4.
Check for valve sticking in body.
Clean valve. Remove burrs by light lapping.
Check freedom of movement of reassembly. Replace if necessary.
2.
High pressure or no pressure.
Step 1.
Check for valve improperly adjusted.
Adjust valve to proper setting.
Step 2.
Check for piston in cover not seating.
Back off adjusting screw several turns while running
pump to be certain foreign matter is not
caught on the seat. Check condition of seat,
spring and piston if malfunction persists.
3.
Excessive noise or chatter.
Step 1.
Check for low oil velocity through valve.
Check system.
Step 2.
Inspect for distorted springs.
Replace springs.
Step 3.
Check for worn piston or seat in cover.
Replace piston and seat.
Step 4.
Check for valve setting too close to that of system operating pressure.
Set to operate at 100.0 psi (6895 kpa).
3-169
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