TM 9-2320-279-20-2
Winches, Cranes, and Power Takeoff (PTO) Maintenance Instructions (Cont)
17-17. CRANE HOOK BLOCK, HOOK, AND CLEVIS REMOVAL/REPAIR/INSTALLATION
(M977).
This task covers:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning/Inspection
f. Follow-on Maintenance
INITIAL SETUP
Models
References
M977
None
Test Equipment
Equipment Condition
None
TM or Para
Condition Description
Special Tools
TM 9-2320-279-10 Prepare crane for use.
None
TM 9-2320-279-10 Hook block lowered to
Supplies
ground.
Solvent, dry cleaning, Item 47, Appendix C
Special Environmental Conditions
Personnel Required
None
MOS 63S, Heavy wheel vehicle mechanic
General Safety Instructions
Wear heavy gloves when handling cable.
a. Removal.
(1) Remove cotter pin (1), nut (2), and screw (3) from clevis (4).
(2) Remove hook block (5) from clevis (4).
17-79
