TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
Section V. HOIST
17-20. HOIST ASSEMBLY AND PIVOT BUSHINGS REMOVAL/INSTALLATION.
This task covers:
a. Removal
c. Installation
b. Cleaning/Inspection
d. Follow-on Maintenance
INITIAL SETUP
Models
Equipment Condition
M977, M984E1 , M985
TM or Para
Condition Description
Test Equipment
TM 9-2320-279-20 Hoist cable removed.
None
Para 17-2
Hoist hoses disconnected.
Special Tools
TM 9-2320-279-10 Boom raised about 1 ft
(30 cm).
None
Special Environmental Conditions
Supplies
None
Solvent, dry cleaning, Item 57, Appendix C
General Safety Instructions
Personnel Required
None
MOS 63W, Wheel vehicle repairer (2)
Level of Maintenance
References
Direct Support
None
a. Removal.
(1) Attach suitable lifting device to
hoist assembly (1).
NOTE
Spring washers are sealed in paper.
Do not remove paper.
(2) Remove nut (2), jamnut (3),
washer (4), spacer (5), disc spring
package (6), sleeve (7), and
screw (8).
(3) Remove nut (9), clamp (10),
hoses (11), and screw (12).
WARNING
Keep out from under heavy parts.
Falling parts may cause serious
injury or death.
(4) Soldier A removes pin (13) and
hoist assembly (1) while Soldier B operates lifting device.
17-91
