TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-9.1. SWING DRIVE REMOVAL/REPAIR/INSTALLATlON (M984E1).
This task covers:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning/Inspection
f. Follow-on Maintenance
INITIAL SETUP
ModeIs
M984E1
Test Equipment
None
Special Tools
None
Fabricated Tools
Spanner Socket, Appendix B, Figure 11
Supplies
Adhesive-sealant, silicone,
Item 5, Appendix C
Compound, sealing and thread locking,
Item 26, Appendix C
Compound, sealing, pipe thread,
Item 29, Appendix C
Solvent, drycleaning, Item 57, Appendix C
Personnel Required
MOS 63W, Wheel vehicle repairer (2)
MOS 44B, Metal worker repairer
References
None
Equipment Condition
TM or Pam
Condition Description
Para 17-8.1
Swing drive brake
removed.
TM 9-2320-279-20
No. 4 left air brake lines
removed.
TM 9-2320-279-20 Left gladhand bracket
removed.
Special Environmental Conditions
None
General Safety Instructions
None
Level of Maintenance
Direct Support
a.
Removal.
(1)
Attach suitable lifting device.
(2) Remove nine screws (1) and
washers (2).
(3)
Remove swing drive (3).
WARNING
DO NOT grind or sand painted
equipment without high-efficiency air
purifying respirators in use.
NOTE
If new swing drive is to be used, wedges
must be ground off and rewelded. If
existing swing drive is to be repaired,
wedges do not need to be removed.
(4)
Using a grinder to remove
weld, remove two wedges (4)
from frame rings (5).
Change 3
17-50.3
