TM 9-2520-272-34&P
4-21.
ASSEMBLE RIGHT END COVER ASSEMBLY
(SHEET 12 OF 22)
Assemble Brake Apply Cam Components
16 Install preformed packings (14, 15) into face of cam
(16).
17
18
19
20
21
22
CAUTION
Be sure packings (17, 18) are installed with
seal lips in direction shown in illustration.
If packings are not installed properly,
components will not function properly.
Install packing (17), seal lip downward, in cam (16).
Install packing (18), seal lip upward, in cam (16).
Coat packings (14, 15, 17, 18) with petrolatum.
Hold two spring tension clips (19) in place on brake
cam (16) in position shown in illustration.
Using 7/16 inch socket, install bolt (20) to retain c1ips
(19).
Using torque wrench tighten bolt (20) to 108-132
lb-in (12-15 Mm).
Place support assembly (1), inside surface upward,
wooden blocks.
Install eight balls (21) in lowest areas of ramps on
stationary cam (2).
Assemble Brake Apply Cam on Support
23
24
25
26
27
Go
on
Apply petrolatum to balls (21) and in ramps around
b a l ls
Apply petrolatum to beveled thrust washer (22) and
install washer on support (1) over bearing (23).
Apply lubricating oil to bearing (23) and run finger
over bearing until all rollers are wet.
to Sheet 13
Para. 4-21, Task 4
4-137
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