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TM 10-3930-643-34
BRAKE TROUBLESHOOTING AND MAINTENANCE. (cont)
8-13.
Treadle Valve (S/N 2001 and above). (Sheet 3 of 8)
DISASSEMBLY (cont)
NOTE
Remove studs from body only if
inspection indicates
replacement
is necessary.
7. Using a vise grip, remove three
studs (10), if necessary.
NOTE
Use scribe or punch to aid in
assembly.
8.
Matchmark bodies (13 and 34).
9.
Using a 7/16” socket and socket
wrench handle, remove
four screws
(11) and tag (12).
10.
Separate bodies (13 and 34).
11.
Remove and discard preformed packing
(14).
12.
Using a flat brass punch, depress
body (18).
13.
Remove ring (15).
14.
Separate valve (16), spring (17),
body (18) and preformed packing (19).
Discard valve (16), spring (17) and
preformed packing (19).
15.
Remove and discard preformed packings
(20 and 21).
16.
Remove disk (22) and spring (23).
Discard spring (23).
Go to sheet 4
8-56
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