TM 9-2350-238-34-2
2-28. MAINTENANCE OF BOOM AND WINCH–CONTROL CYLINDERS AND AT-
TACHING PARTS AND BOOM CONTROL CYLINDER ASSEMBLY.
This task covers:
a. R e m o v a t
e. T e s t
b. Disassembly
f.
Instalation
c.
Inspection/Repair
g. Boom Drop Rate Test
d. Reassembly
INITIAL SETUP
Tools and Special Tools
Equipment Conditions
General mechanic’s tool kit, automotive
Chemical, biological, and radiological
(SC 5180-90-CL-N26)
(CBR) unit removed (TM 9-2350-
Lumber, 4x4
238-20-2)
Shop equipment, automotive
Metal cab grille removed (TM 9-2350-
maintenance and repair: field
238-20-2)
maintenance, basic, less power (SC
4 9 1 - 9 5 - A 3 1)
General Safety Instructions
Press, arbor
Shop equipment, automotive
maintenance and repair: supplemental
no. 1, less power (SC 4910-95-A62)
Hoist, chain, 6000 lb (2724 kg)
. Hydraulic system is under high
Sling (RE1-91-1618)
pressure. Follow hydraulic
Spanner wrench (10909066)
system safety procedures to
Strap wrench (GGG-W-651)
prevent injury (TM 9-2350-
Thermometer (1797)
238-20-2). Wipe up all spilled
hydraulic fluid.
Materials/Parts
Boom cylinder parts kit (5702996)
. Make sure hydraulic system is
Boom winch control cylinder barrel iden-
depressurized before performing
tification plate (10891588)
any hydraulic maintenance to
Grease (item 9, appx B)
prevent injury to personnel.
Hydraulic fluid (item 10, appx B)
Lockwasher (4) (MS35338-46)
Make sure all personnel stand
Sealing compound (item 19, appx B)
clear when operating boom to
avoid injury to personnel.
Personnel Required
3
. When testing hydraulic system,
be sure boom is in stowed posi-
References
tion as failure of system may
TM 9-2350-238-10
result in injury to personnel.
TM 9-2350-238-20-2
TM 9-2350-238-24P-2
Use hoist with minimum lifting
TM 9-4940-468-14
capacity of 2000 lb (908 kg) to
prevent injury to personnel and
damage to equipment.
2-84
Change 1
