TM-9-2350-256-20-1
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 2
NOVEMBER 2005
TM-9-2350-256-20-1 - Page 93 of 948
TM 9-2350-256-20-1
0012 00
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
WINCHES, SPADE ASSEMBLY, AND HOISTING BOOM
THEORY OF OPERATION
Winches, Spade Assembly, and Hoisting Boom
Main Winch
The main winch (1) is mounted to the nosepiece of the vehicle beneath the crew compartment. It is gear-driven by a hydraulic
motor and is used for heavy-duty recovery operations. The winch is wound with 200 ft (61.0 m) of 1-1/4 in. (31.8 mm) steel
cable. The cable is equipped with a clevis on the free end for securing it to loads.
Spade Assembly
The spade (2) is mounted to the vehicle nosepiece by two trunnion-mounted arms. The arms are operated by hydraulic cylinders
(3) from within the winch compartment. When not in use, the spade is secured in a raised position by a hydraulically activated,
spring-loaded spade lock.
Figure 1.
Main Winch and Spade Assembly.
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