Winches, Cranes, and Power Takeoff (PTO) Maintenance Instructions (Cont)
17-21.
CRANE BOOM REPAIR (M977, M985).
This task covers:
a. Disassembly
c. Assembly
b. Cleaning/Inspection
d. Follow-on Maintenance
INITIAL SETUP
Models
References
M977,
M985
None
Test Equipment
Equipment Condition
None
TM or Para
Condition Description
Special Tools
Para 17-18
Crane hoist cable removed.
None
TM 9-2320-279-10 Outrigger jack cylinders
lowered.
Supplies
Grease, automotive and artillery, Item 23,
Special Environmental Conditions
Appendix C
None
Solvent, dry cleaning, Item 47, Appendix C
General Safety Instructions
Personnel Required
None
MOS 63S, Heavy wheel vehicle mechanic
a. Disassembly.
TM 9-2320-279-20-2
(1) Remove screw (1), lockwasher (2), washer (3), and pin (4) from boom (5).
(2) Remove bushing (6) from pin (4).
17-96
