TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-8. SWING DRIVE BRAKE REMOVAL/REPAIR/INSTALLATION.
This task covers:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning/Inspection
f. Follow-on Maintenance
INITIAL SETUP
Models
References
M977, M985
None
Test Equipment
Equipment Condition
None
TM or Para
Condition Description
Special Tools
Para 17-7
Swing drive motor removed.
None
Para 17-2
Swing drive brake hydraulic
Supplies
line removed.
Compound, sealing and thread locking,
Special Environmental Conditions
Item 26, Appendix C
None
Adhesive-sealant, silicone, Item 6, Appendix C General Safety Instructions
Compound, sealing, pipe thread, Item 29,
Appendix C
None
Solvent, dry cleaning, Item 57, Appendix C
Level of Maintenance
Personnel Required
Direct Support
MOS 63W, Wheel vehicle repairer
a. Removal.
(1) Remove four screws (1),
washer (2), and two
brackets (3) from brake (4).
NOTE
Disc and stators may drop down
when brake is removed.
(2) Remove brake (4) from swing
drive unit (5).
17-35
