TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont
(13) Install two bushings (20) and grease fittings (21) in each end of cylinder (18).
NOTE
Apply lubricant to preformed packings before installing.
(14) Install preformed packing (22).
(15) Install preformed packing (23) and two backup rings (24).
(16) Install preformed packing (25) and two backup rings (26).
(17) Install holding valve (27).
d. Follow-on Maintenance. None.
END OF TASK
17-18. EXTENSION NO. 1 AND NO. 2 CYLINDER AND WEAR PADS
REMOVAL/INSTALLATION.
This task covers:
a. Removal
c. Installation
I
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 17-13
Extension No.
None
Special Environmental Conditions
Supplies
None
2 removed.
Compound, sealing and thread locking,
Item 26, Appendix C
General Safety Instructions
Solvent, dry cleaning, Item 57, Appendix C
None
Personnel Required
Level of Maintenance
MOS 63W, Wheel vehicle repairer (2)
Direct Support
Change 2 17-83
