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TM 55-1905-223-24-15
4-12. Repair Failsafe Brake Assembly. (FIGURE 4-8)
This task covers: a. Disassembly, b. Repair, c. Assembly.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Windlass inoperative (para. 2-13).
Electrical power removed from hydraulic
Torque wrench (30-300 foot-pound)
power pack and tagged "Out of Service.,
5120-01-125-5190
Failsafe brake assembly removed
Materials/Parts
Retaining ring P/N 28285
Annular ball bearing P/N 28284
Encased seal P/N 37719
Gasket P/N 35966
Brake disk P/N 36630
Brake disk P/N 36224
Brake disk P/N 36346
Piston P/N 36339
Packing retainer P/N 27967
Preformed packing P/N 27808
Preformed packing P/N 32833
Preformed packing P/N 36701
Safety relief valve P/N 37176
Lubricant, Item 9, Appendix C
Electrical ID Tags, Item 7,
Vise, Item 10, Appendix C
CAUTION
Upon removal of this item, cover, blank, or otherwise protect all openings to prevent foreign
material from contaminating the system.
DISASSEMBLY
a. Remove the screws (19) securing the power plate (23) to the housing (4).
b. Remove the retaining ring (2) from the power plate (23) end of the assembly.
c. Remove the ball bearing (3) from the power plate end of the assembly.
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