17-20.
TM 9-2320-279-20-2
Winches, Cranes, and Power Takeoff (PTO) Maintenance Instructions (Cont)
17-19. CRANE HOIST SHEAVE PULLEY REMOVAL/REPAIR/iNSTALLATION (M983) (CONT).
e. Installation.
(1)
(2)
(3)
Install shaft (1) through end of
boom (2) and install bracket (3),
long spacer (4), and sheaves (5).
Position cable (6) on sheaves (5)
and hook block. Install short
spacer (7).
Install shaft (1) in boom (2) and
install cable loop (8), bushing (9),
washer (10), and locknut (11).
f. Follow-on Maintenance. Return
crane to stowed position (TM 9-2320-279-10).
END OF TASK
This task covers:
a. Removal
c. Follow-on Maintenance
b. Installation
INITIAL SETUP
Models
Equipment Condition
M983
TM or Para
Condition Description
Test Equipment
TM 9-2320-279-10 Prepare crane for use.
None
TM 9-2320-279-10 End of boom lowered to
Special Tools
working level.
Para 17-16
Crane hook block removed
None
(except hook block housing).
Supplies
Para 17-19
Boom sheave pulleys
Oil, lubricating, Item 33, Appendix C
removed.
Personnel Required
Special Environmental Conditions
MOS 63S, Heavy wheel vehicle mechanic (2)
None
References
General Safety Instructions
None
Wear heavy gloves when handling cable.
17-94
