TM 9-2320-366-34-3
16-23. M1084/M1086 SWING DRIVE ASSEMBLY REPLACEMENT/REPAIR
This task covers:
a. Removal
b. Disassembly
c. Cleaning/Inspection
d. Assembly
e. Installation
f. Follow-on maintenance
INITIAL SETUP
Equipment Conditions
MHC rotated to access swing drive gear
(TM 9-2320-366-10-1).
Engine shut down (TM 9-2320-366-10-1).
Hydraulic reservoir supply and return valves closed
(TM 9-2320-366-10-1).
Cross relief valve removed (para 16-24).
Hydraulic orbit motor removed (para 16-25).
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Wrench, Torque, 0-175 lb-ft (Item 92, Appendix B)
Goggles, Industrial (Item 28, Appendix B)
Bracket, Swing Drive Assembly (Item 23, Appendix D)
Socket Tool, Spanner (Item 19, Appendix D)
Gloves, Rubber (Item 25, Appendix B)
Caliper, Set, Micrometer, Outside (Item 9, Appendix B)
Tools and Special Tools (Cont)
Pan, Drain (Item 43, Appendix B)
Materials/Parts
Rag, Wiping (Item 60, Appendix C)
Lubricating Oil, Gear (Item 52, Appendix C)
Packing, Preformed (Item 236, Appendix F)
Retainer, Packing (2) (Item 352, Appendix F)
Packing, Preformed (2) (Item 226, Appendix F)
Packing, Preformed (Item 267, Appendix F)
Retainer, Packing (Item 353, Appendix F)
Lockwasher (16) (Item 140, Appendix F)
Seal, Plain Encased (Item 392, Appendix F)
Lockwasher (Item 127, Appendix F)
Personnel Required
(3)
a. Removal.
(1) Remove two screws (1) and plate (2) from swing drive
assembly (3).
(2) Install swing drive assembly bracket in swing drive
assembly (3) with two screws (1).
16-110