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TM 55-1905-222-14
Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
RAMP SYSTEM - Continued
Step 3.
Check to see if only one pump is engaged.
Engage both pumps for quicker operation
.
5. BRAKE DOES NOT RELEASE.
Check for foreign material in system.
Flush system completely and clean.
strainers and filters (para 3-9).
6. HAND PUMP DOES NOT DEVELOP PRESSURE.
Check to see if hand pump bypass valve is open.
Close hand pump bypass valve.
7. LOSS OF OIL FROM RAMP WINCH HYDRAULIC MOTOR.
Check to see if motor is defective.
Notify direct support maintenance.
8. NOISY OPERATION OF PUMPS.
Step 1.
Check for air in system.
Tighten leaky connections and purge s stem.
y
Step 2.
Check pump coupling for misalignment.
Notify direct support maintenance.
Step 3.
Check to see if pump is defective.
Notify direct support maintenance.
9. ERRATIC ACTION OF WINCH.
Step 1.
Check for air in system.
Tighten leaky connections and purge system.
3-9
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