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 TM 55-1905-221-14-3
Table 6-1. Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Check for misalignment of coupling.
a. Disassemble steering pump and inspect shaft seal bearing and other parts for damage.
Refer to paragraph 6-5.1.
b. Replace damaged parts. Refer to paragraph 6-5.1.
c.
Realign coupled shafts. Refer to paragraph 6-5.1.
RAMP HOIST HYDRAULIC SYSTEM
1. Winch brake does not release.
Step 1.
Check for leaking "0" rings or piston seals.
Disassemble winch and replace "0" rings and seals as required. Refer to paragraph 6-12.
Step 2.
Check for s rings or piston seals.
Disassemble winch and replace "O" rings and seals as required. Refer to paragraph 6-12.
Step 2.
Check for seized driven and driving plates.
Disassemble winch and repair as required. Refer to paragraph 6-12.
2. Erratic action of winch.
Check for defective relief valve.
Disassemble relief valve and inspect plungers, bushings, and pistons for defects.
Replace defective parts as required. Refer to paragraph 6-12.
6-15
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