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TM 10-3930-643-20
BRAKE TROUBLESHOOTING AND MAINTENANCE. (cont)
8-11.
Treadle, Treadle Valve and Check Valves (S/N 2001 and above). (Sheet 3
of 8)
REMOVAL (cont)
NOTE
Step 5 applies to removal of
transmission disconnect and brake
treadle valve.
5.
U s i n g 7 / 1 6 ” a n d 5 / 8 ” o p e n e nd
wrenches, disconnect tube assemblies
6.
7.
8.
9 .
10.
(15, 16, 17, 18, 19, 20, 21 and 22).
U s i n g a 1 / 2 ” s o c k e t a n d s o c k et
wrench handle, remove
three
nuts
( 2 3 ) , w a s h e r s ( 2 4 ) , b o l t s ( 2 5 ),
washers (26) and items 27 thru 31 as
an assembly.
Remove three nuts (27), washers
(28), plate (29) and bumper (30)
from treadle valve (31).
NOTE
Steps 8 thru 13 apply to removal
of service brake treadle
valve
o n l y.
Using a 9/16” open end wrench,
remove elbow (32) from treadle valve
( 3 1 ).
Using 9/16”, 11/16” and 1-3/8” open
and box end wrenches, remove elbow
(33), check valve (34) and plug (35).
Using a 5/8” box end wrench, remove
connector (36).
Go to sheet 4
8-52
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