TM 9-4940-568-34
3-42
3-13. SWING DRIVE BRAKE REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
Tools
Tool Kit, General Mechanics
(Item 67, Appendix F)
Materials/Parts
Adhesive, Sealant, Silicone
(Item 2, Appendix B)
Sealing compound (Item 29, Appendix B)
Equipment Condition
FRS unloaded, (TM 9-4940-568-10).
Swing drive orbit motor removed (para 3-12).
Special Environmental Conditions
Cleanliness is extremely important when working
on hydraulic equipment. Clean all parts before
disassembly and work in a clean area.
a.
Removal
(1) Place a container to catch hydraulic oil
during removal of brake.
(2) Remove four screws (1), washers (2),
and two stops (3) from brake cylinder
housing (4).
NOTE
Brake is spring loaded.
Disc and stators may drop when
brake is removed.
(3) Remove brake cylinder housing (4) from
swing drive assembly (5).
(4) Remove three stators (6) and two discs
(7) from swing drive assembly (5).