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TM 10-3930-643-34
BRAKE TROUBLESHOOTING AND MAINTENANCE.
8-12.
Treadle Valve (S/N 2000 and below). (Sheet 5 of 7)
ASSEMBLY
27.
28.
29.
30.
31.
32.
33.
34.
35.
Lubricate new seals (32 and 31) with
clean grease.
Install new seals (32 and 31) in
retainer (30).
Install valve guide (29).
Install spring (28) and new valve
(27).
Lubricate center bore of body (33)
with clean grease.
Using internal snap ring pliers,
install items 32 thru 27 as an
assembly, shield (26) and ring (25).
Install new preformed packing
(24)
and new seals (23 and 22) on piston
(20).
Lubricate piston (20) with clean
grease.
Install spring (21) and piston
(20)
in body (33).
Go to sheet 6
8-51
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