TM 9-2320-260-20
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WINCH
51. WINCH INOPERATIVE (FRONT, MIDSHIP, AND REAR)
Step 1. Check PTO linkage (malfunction 50).
Step 2. Check power divider control linkage for lack of lubrication, bent, binding, or damaged parts,
and mi sadjustment.
a. Lubricate power divider control linkage (LO 9-2320-260-12).
b. Replace bent, binding, or damaged linkage (para. 13-56).
c. Adjust power divider control linkage (para. 13-56),
Step 3. Inspect rear winch clutch control lever linkage for lack of lubrication, bent, binding, or
damaged parts, or misadjustment.
a. Lubricate clutch control linkage (LO 9-2320-260-12).
b. Replace bent, binding, or damaged linkage (para. 13-19).
c. Adjust clutch control linkage (para. 13-19).
Step 4. Inspect propeller shafts for breaks.
Step 5. Check for broken or missing shear pin.
Replace if broken or missing (TM 9-2320-260-10).
Step 6. Inspect for broken winch drive chain (rear or midship).
Replace broken winch drive chain.
Step 7. Check automatic brake adjustment (para. 13-3).
END OF TESTING!
52. WINCH OPERATES IN ONE DIRECTION ONLY
Step 1. Check winch control linkage for bends and kinks.
Replace winch control linkage if bent or kinked (para. 13-18 or 13-62).
Step 2. Check transmission PTO linkage (malfunction-, 50).
END OF TESTING!
53. DRAG BRAKE DOES NOT OPERATE
Check drag brake adjustment.
a. Adjust drag brake as necessary (para. 13-4).
b. Replace winch if adjustment will not correct drag brake operation (para. 13-8, 13-12,
or 13-15).
END OF TESTING!
54. WINCH WILL NOT HOLD LOAD
Check automatic brake adjustment.
Adjust automatic brake as necessary (para. 13-3).
END OF TESTING!
55. AUTOMATIC BRAKE OVERHEATS
Step 1. Check weight limits of winch.
Adjust size of load or use snatch block if winch is overloaded.
Step 2. Check automatic brake adjustment.
Adjust automatic brake as necessary (para. 13-3).
END OF TESTING!
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