TM 9-2520-272-34&P
4-29.
REPAIR CENTER HOUSING COMPONENTS
(SHEET 3 OF 31)
Install Left Brake Support Components
9
10
11
12
13
14
15
16
17
18
19
Check brake support for damage. Smooth out scratches with crocus cloth If grinding
damage is present, replace support.
CAUTION
When installed, plug (9) scribe line must lie within 60 degree sector between
raised lines in brake support casting.
Using arbor press, install valve plug (9) flush to 0.010 inch (0.25 mm) below inside surface of
brake support.
Using arbor press and bearing driver, press driver against the numbered end of bearing (8) to
install it. Press bearing (8) to a depth of 0.310-0.320 inch (7.88-8.12 mm) below inside
surface of brake support.
Using arbor press, install pin (7) to a height of 2.88-2.92 inches (73.2-74.1 mm) above
outside surface of brake support.
Using arbor press, install two pins (6) to a height of 0.240 inch (6.10 mm) above inside
surface of brake support
Using retaining ring pliers, install two retaining rings (5) onto two pins (4).
Using arbor press, install two pins (4) to a height of 1.01-1.05 inch (25.7-26.6 mm) above
outside surface of brake support.
WARNING
Hot parts can burn you Always wear leather gloves when working with parts
that are or might be hot.
Using two heat guns, heat brake support near locations for bearing races (1, 2, 3) for one
hour.
Frozen parts can stick to your fingers and cause serious injury. Always wear
leather gloves when working with parts that have been frozen in dry ice.
Freeze new bearing races (1, 2, 3) in dry ice for one hour.
Using arbor press, install new bearing races (1, 2, 3) into outside bores in brake support to a
firm seat against the shoulders in the bores
Allow brake support to return to room temperature.
FOLLOW-ON PROCEDURE: Install left brake support. Refer to paragraph 4-30.
End of Task 1
Go to Sheet 4
Para. 4-29, Task 1
4-193
WARNING
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