TM 1-1520-238-23
Change 1
3-237
3.61.
PARKING BRAKE ROTARY DIRECT VALVE REPAIR AND TEST (AVIM) – continued
c. Remove brake valve piston (13) from valve (2).
(1) Remove hydraulic valve cap (14) from valve
(2).
(2) Remove and discard packings (15) and (16).
(3) Remove piston (13) and brake valve spring
(17).
(4) Remove and discard packing (18) from piston
(13).
CAUTION
Do not damage brake valve piston and
piston bore when removing screws.
d. Remove two brake valve pistons (19) from
valve (2).
(1) Remove lockwire from four screws (20).
(2) Remove four screws (20) while pushing hy-
draulic valve cap (21) into valve (2).
(3) Release pressure of brake valve spring (22)
carefully. Remove cap (21), brake valve plate
(23), and brake valve plate (24).
(4) Remove spring (22) and brake valve guide
(25).
(5) Remove piston (19) from valve (2).
(6) Remove and discard packing (26) and pack-
ing retainer (27) from piston (19).
(7) Repeat steps d.(1) thru d.(5) to remove other
piston (19).
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14
15
16
1318
17
2
M04-3081-5
19
26
27
2
22
24
20
23
25
21
M04,3081
,6A
