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 TM 9-2320-285-24-2
3-23. TREADLE VALVE MAINTENANCE (CONT)
STEP
LOCATION
ITEM
ACTION
REMARKS
DISASSEMBLY (cont)
3
Valve body
a.
Two cotter pins Remove and
(16)
(5)
discard
b.
Fulcrum pin (6)
Remove
Use punch and hammer
c.
Treadle (7)
Remove
d.
Cotter pin (8)
Remove and
discard
e. Roller pin (9)
Remove
Use punch and hammer
f. Roller (10)
Remove
g. Boot (11) and
Remove
From treadle valve assembly
plunger (12)
h. Three capscrews Remove
(13) and lock
washers (14)
i. Mounting plate
Separate
(15) and
valve body
(16)
j. Stop button
Remove
(17)
4
Piston
a. Retainer (18)
Remove
Depress piston assembly,
assembly
then remove
b. Piston (19) and Remove
piston return
spring (20)
c. O-ring (21)
Remove and
discard
d. Capscrew (22)
Remove
e. Washer (23),
Remove
spring seat
(24), and
rubber spring
(25)
5
Valve
a. O-ring (26)
Remove and
insert
discard
assembly
b. Screw (27)
Remove
(items 26
c. Washer (28) and
Remove
thru 35)
diaphragm (29)
d. Preload spring
Remove
Depress and hold valve (31),
(30)
then remove preload spring
e. Valve (31),
Remove
From seat (35). Discard
spring (32),
O-ring
O-ring (33),
and retainer
(34)
3-164
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