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Page Title:
Table 7-25. Repair Standards (Main control Selector Valve body) |
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 TM 9-2520-249-34&P
p. Install selector valve assembly (8), small
the surface of the valve body. Install the other bearing
(41) from the inside of selector valve body (42),
end first, into selector valve body (42).
pressing against the numbered end of the bearing cage,
q. Install selector valve body cover gasket
0.050 inch below the inner surface of the valve body.
(11) and cover (12). Secure the cover with four bolts
b. Install two plugs (43) into selector valve
(15), lockwashers (14) and flat washers (13). Tighten
body (42).
the bolts to 13 to 16 pound feet torque.
c. Install throttle valve assembly (30), long
r.
Install selector lever preformed packing
stem first, into selector valve body (42).
(44, FO-12) and gasket (45) into selector valve body
d. Install throttle valve spring (29).
(42).
s. Install throttle lever preformed packing (33)
e. Install throttle regulator valve assembly
onto throttle valve lever assembly (34).
(28, FO 12) into selector valve body (42), small
t.
Install valve lever assembly (34) up
diameter end first.
f.
Install throttle regulator spring (27).
through selector control shaft and lever (32).
u. Install throttle lever retaining ring (49) onto
g. Install regulator plug gasket (26) and plug
throttle valve lever assembly (34).
(25).
v. Install selector lever pin (31) into the top of
h. Install shift inhibitor spring (23) into selector
selector control shaft and lever (32).
valve body (42).
w. Install the throttle valve lever assembly and
i.
Install plunger retaining ring (22) onto shift
selector valve lever up through selector valve body (42),
inhibitor plunger (24).
alining selector lever pin (31) with the slot in selector
j.
Install shift inhibitor plunger (24), smaller
valve (9). Use a screwdriver to position throttle valve
diameter end first, into selector valve body (42).
assembly (30), at the same time indexing the selector
k. Install governor plug valve (21), large
lever pin (31) with the selector valve.
diameter end first, into selector valve body (42).
l.
Install inhibitor compensator spring (20,
indicator (47) and then retaining ring (48) onto selector
control shaft and lever (32).
m. Install fourth signal plug valve (19), larger
y. Install detent ball (39), detent spring (38),
diameter first, into selector valve body (42).
retaining plug gasket (37) and detent retaining plug (36).
n. Install third- and fourth-signal plug valve
z. Install flat washer (50) and self-locking bolt
(18) in selector valve body (42).
(51) loosely (these items retain the control linkage).
o. Install retaining plug gasket (17) and shift
inhibitor retaining plug (16).
Table 7-25. Repair Standards (Main control Selector Valve body)
Wear limit
Reference
Size and fit
DS/GS
Foldout
Item
Point of measurement
of new parts
maintenance
12
9a
Outside diameter of valve .....................
1.0605 to 1.0610
12
42d
Inside diameter of valve body bore .......
1.0620 to 1.0630
12
9a,
Fit of valve in bore................................
0.0010L to 0.0025L
0.0045L
42d
12
19a
Outside diameter of valve .....................
0.9980 to 0.9985
12
42c
Inside diameter of valve body bore .......
0.9995 to 1.0005
12
19a,
Fit of valve in bore................................
0.0010L to 0.0025L
0.0045L
42c
12
20a
Free length of spring ............................
1.907
*
12
20a
Length under load ...............................
1.500 at 4.84 to
1.50 at 4.59 lb
5.84 lb
12
21a
Outside diameter of valve .....................
0.7480 to 0.7485
12
42b
Inside diameter of smaller valve body bore 0.7495 to 0.7505
12
21a,
Fit of valve in valve body bore ..............
0.0010L to 0.0025L
0.0045L
42b
*See footnote at the end of table.
7-54
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