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 TM 55-1905-223-24-15
SYMPTOM INDEX - CONT
Troubleshooting
Procedure
HAUL-BACK AND PAYOUT
No shaft rotation
Item 1
No wildcat rotation
Item 2
SLOW ROTATION
Item 7
WINDLASS
Fails to hold load in neutral
Item 6
Table 4-1 lists the common fault conditions that may be found during operation or maintenance of the equipment. Look
for causes and do corrective actions in the order listed. This manual cannot list every symptom that may show up, and it
cannot list all of the possible causes and corrective actions. If a symptom is not listed, or if it keeps up after you have
performed the corrective actions, notify your supervisor.
Table 4-1. General Support Maintenance Troubleshooting
Malfunction
Test or Inspection
Corrective Action
1. No shaft-rotation in haul-back or payout.
STEP 1.
Check for electrical power at the hydraulic power pack.
Repair power distribution system (TM 55-1905-223-24-18).
STEP 2.
Check for defective hydraulic motor. Hydraulic pressure is applied and automatic brake is releasing.
Repair hydraulic motor (para. 4-13).
STEP 3.
Check for defective automatic brake.
Hydraulic pressure is applied but no audible indication the
automatic brake is releasing.
Repair automatic brake (para. 4-12).
STEP 4.
Check for defective directional control valve. Hydraulic pressure is present at the valve input with no
indication of automatic brake release.
Repair directional control valve (para. 4-18).
4-3
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