TM 9-2350-238-34-2
2-22. MAINTENANCE OF BOOM AND WINCH–VEHICLE DRUM WINCH.
This task covers: a. R e m o v a l
b. Inspection/Repair
c.
Installation
INITIAL SETUP
Tools and Special Tools
General mechanic’s tool kit, automotive
(SC-5180-90-CL-N26)
Lumber, 4 x 4
Shop equipment, automotive mainte-
nance and repair: field maintenance,
basic, less power (SC 4910-95-A31)
Key set, socket head screw
Wrench set, socket, 3/4-in. square
drive
Wrench, torque, O to 600 ft-lb
Shop equipment, automotive mainte-
nance and repair: supplemental no. 1,
less power (SC 4910-95-A62)
Hoist, chain, 6000 lb (2724 kg)
Sling (RE1-91-16018)
Materials/Parts
Lockwasher (8) (MS35338-48)
Lockwasher (4) (MS35338-53)
Lockwasher (4) (MS35338-67)
Motor to winch gasket (1090871 O)
Personnel Required
3
References
TM 9-2350-238-20-2
TM 9-2350-238-24P-2
Equipment Conditions
Union to boom winch motor and nipple
to winch motor metal tube assemblies
disconnected (TM 9-2350-238-20-2)
Brake cylinder to selector valve metal
tube assembly removed (TM 9-2350-
238-20-2)
Boom winch cover removed (TM 9-
2350-238-20-2)
Boom removed (TM 9-2350-238-20-2)
Boom winch cable removed (TM 9-
2350-238-20-2)
General Safety Instructions
Use hoist with lifting capacity
of 2000 lb (908 kg) to prevent
injury to personnel and damage
to equipment.
Vehicle drum winch assembly
weighs approximately 400 lb
(182 kg); use care when remov-
ing or installing. Failure to
observe this warning could
result in injury to personnel and
damage to equipment.
2-38
