TM 9-2520-272-34&P
4-30 ASSEMBLE CENTER HOUSING
(SHEET 19 OF 21)
18 Install two new preformed packings (18, 19) into face
of brake cam (20).
CAUTION
19
20
21
22
23
24
25
26
27
28
29
Be sure to install seals (21, 22) so that seal
lips are in direction shown in illustration. If
seals are not installed correctly,
components may not function correctly.
Install new seal (21), seal lip downward.
Install new seal (22), seal lip upward.
Coat packings (18, 19) and seals (21, 22) with
petrolatum.
Hold two spring tension clips (23) in place on brake
cam (20) in position shown in illustration.
Using 7/1 6 inch socket, install bolt (24) to retain clips
(23).
Using torque wrench tighten bolt (24) to 108-132 lb-in
(12-15 Nm).
Assemble inner brake adjusting link (25) and outer
brake adjusting link (26) so that threads on inner link
(25) cannot be seen.
Install slotted end of outer link (26) into brake cam
(20) so that flat on link (26) is against free ends of
spring tension clips (23).
Place support (27), inside surface upward, on wooden
blocks
Install stationary cam (28) onto two pins (29) in
support (27). Ensure bolt holes are aligned.
Using plastic faced hammer, tap stationary cam (28)
onto pins (29) until cam is seated.
Go to Sheet 20
4-240
Para. 4-30, Task 7
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