TM 9-2350-256-20-1
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
MAIN WINCH TROUBLESHOOTING PROCEDURE
INITIAL SETUP:
Tools and Special Tools
References (cont.)
Tool kit, general mechanic's (item 59, WP 0490 00)
WP 0404 00
STE/ICE-R kit (item 57, WP 0490 00)
WP 0405 00
WP 0406 00
References
WP 0407 00
WP 0408 00
WP 0416 00
WP 0288 00
WP 0417 00
Troubleshooting Procedure
Main Winch
Symptom
Main winch malfunctioning.
Malfunction
Main winch fails to operate.
Do steps 1 thru 10.
Main winch operates with difficulty.
Do steps 2 thru 10.
Main winch creeps with control in neutral or winch brake fails to hold load. Do steps 11 and 12.
Main winch level winder fails to traverse. Do steps 13 and 14.
CORRECTIVE ACTION
NOTE
The main winch troubleshooting procedures are performed using the main hydraulic system as a fluid
power source. If main winch operates using the main hydraulic but not the auxiliary, troubleshoot
auxiliary hydraulic system. If main winch operates using the auxiliary hydraulic but not the main
hydraulic, troubleshoot main hydraulic system.
1.
Attempt operation of the hoisting boom, hoist winch, and spade. If the hoisting boom, hoist winch,
and spade do not operate, troubleshoot main hydraulic system and/or auxiliary hydraulic system. If the
hoisting boom, hoist winch, and spade operate go to step 2.
0030 00-1
