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 TM 9-2320-285-24-2
3-23. TREADLE VALVE MAINTENANCE (CONT)
STEP
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (cont)
9
e. New O-ring (33) Install
On valve (31)
(cont)
and retainer
(34)
f. Spring (32)
Install
On seat (35)
g. Valve (31)
Install
In seat (35). Press valve
down until preload spring
(32) snaps, and holds
assembly together
h. New O-ring (26)
Install
10
Cab,
a. Valve insert
Install
In valve body (16)
underside
assembly
(items 26
thru 35)
b. Retaining ring
Install
Press valve insert assembly
(4)
down.
Use retaining ring
pliers to install
NOTE
Be sure retaining ring (4) snaps into ring groove in valve body (16) to lock valve insert assembly in place.
11
Piston
a. Rubber spring
Install
In piston (19)
assembly
(25)
b. Spring seat
Install
Tighten capscrew (22) to
(24), washer
50 pounds inch torque
(23), and
capscrew (22)
c. New O-ring (21)
Install
d. Piston return
Install
On piston (19)
spring (20)
e. Piston (19)
Install
In valve body (16)
f. Retainer (18)
Install
Depress piston assembly, then
install. Be sure retainer
prongs snap over groove in
valve body (16)
12
Valve
a. Stop button
Install
body (16)
(17)
b. Mounting plate
Position
On valve body (16)
(15)
c. Three lock
Install and
washers (14)
tighten
and capscrews
(13)
3-167
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