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TM 55-1905-220-14-10
Table 5-4. Anchor Winch - Slack Puller Fluid Motors Troubleshooting (Cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Leakage at fittings.
Step 1.
Cracked casting.
Replace.
Step 2.
Defective threads.
Replace.
Step 3.
Damaged "O" ring.
Replace.
Step 4.
Bump on mating surfaces.
Use flat file to make flat surface.
4. Loss in speed under load.
Step 1.
Low inlet pressure.
Check pressure.
Step 2.
Excessive back-pressure at outlet.
Check pressure.
Step 3.
Scored port plate or end cap.
Re-lap flat to clean up.
Step 4.
Worn cam ring and vanes.
Replace.
Step 5.
High oil temperature (thins oil).
Use heavier oil; use oil cooler; use open center circuit; adjust relief valve setting.
5. Poor speed control.
Step 1.  Excessive pump leakage.
Use more efficient pump. Use flow control valve.
5-7


 


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