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TM 55-1905-220-14-3
Table 3-47.
Bow Ramp Winch Motor Troubleshooting (Cont).
NOTE
Refer to paragraph 3-120 for all maintenance except as noted.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Motor does not start (Cont).
Step 3.
Check for jammed driven machine.
Correct jammed condition.
Step 4.
Check power.
Check for voltage at motor and work back to power supply.
2.
Motor starts but does not come up to speed.
Step 1.
Check for overload.
Press reset.
3.
Motor runs hot (exceeds rating).
Step 1.
Check for overload
Reduce load.
Step 2.
Check for impaired ventilation.
Clean.
Step 3.
Check for frequent starts or stops.
Reduce number of starts or reversals.
Step 4.
Check for misalignment between rotor and stator laminations.
Realign.
4.
Noisy (mechanically).
Step 1.
Inspect for misalignment of coupling or sprocket.
Correct misalignment.
3-141


 


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