TM 9-2320-272-24-1
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Check if air-operated tensioner is released (rear winch).
Release tensioner (TM 9-2320-272-10).
Step 4. Check if torque control lever is engaged (rear winch).
Engage torque control lever (TM 9-2320-272-10).
END OF TESTING!
61. DRAG BRAKE DOES NOT OPERATE
Check drag brake adjustment.
a. Adjust drag brake (para. 3-324 or 3-330).
b. If drag brake is defective, replace winch (para. 3-329 or 3-332).
END OF TESTING!
62. WlNCH WILL NOT HOLD LOAD
Step 1. Check torque control lever position (rear winch).
Reposition torque control valve lever to HIGH or LOW position.
Step 2. Check automatic brake adjustment (para. 3-323).
Adjust automatic brake screw (para. 3-323 or 3-330).
END OF TESTING!
63. AUTOMATIC BRAKE OVERHEATS
Step 1. Check weight limit of winch. Adjust size of load.
Step 2. Check automatic brake adjustment (para. 3-323).
Turn automatic brake screw counterclockwise one-quarter turn. Recheck winch for
overheating.
END OF TESTING!
64. FRONT WINCH OPERATES AT ONE SPEED ONLY
Step 1. Check control valve for proper operation and leaks (front winch).
a. While assistant operates winch control lever, observe control valve for proper operation.
b. If control valve is defective, notify DS maintenance.
Step 2. Check winch controls for kinks, damage, breaks, and improper lubrication (front winch).
a. Lubricate if necessary (LO 9-2320-272-12).
b. If winch cable is kinked, damaged, or broken, notify DS maintenance.
Step 3. Check throttle control cable for damage (front winch).
If throttle control cable is damaged, notify DS maintenance.
END OF TESTING!
65. REAR WINCH CABLE TENSIONER WILL NOT OPERATE
Check air supply lines for leaks.
a . Tighten loose fittings.
b. If leaks persist, notify DS maintenance.
END OF TESTING!
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