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TM 10-3930-643-20
BRAKE TROUBLESHOOTING AND MAINTENANCE.
8-11.
Treadle, Treadle Valve and Check Valves (S/N 2001 and above). (Sheet 4
of 8)
REMOVAL
11.
12.
13.
14.
15.
16.
17.
18.
Using 1-3/8” and 11/16” box end
wrenches, remove check valve (37),
connector (38) and tee (39).
Using a 9/16” open end wrench,
remove elbow (40).
Using an 11/16” open end wrench,
remove plugs (41 and 42).
NOTE
Steps 14 thru 18 apply to removal
of transmission disconnect
and
brake treadle valve only.
Using a 5/8” open end wrench, remove
tees (43 and 44) from treadle valve
( 3 1 ) .
Using an 11/16” open end wrench,
remove connector (45).
Using 9/16”, 11/16” and 1-3/8” open
end wrenches, remove
e l b o w ( 4 6 ),
check valve (47) and plug (48).
Using a 9/16” open end wrench,
remove elbow (49).
Using an 11/16” open end wrench,
remove plug (50) and connector (51).
Go to sheet 5
8-53
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