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Page Title:
Table 7-26. Repair Standards (Steer Valve Body) |
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 TM 9-2520-249-34&P
steer valve body (109), being careful not to damage the
packing on the splines of the shaft assembly
ae. Install retaining nut gaskets (92 and 95),
ac. Install steer indicator (71) on shaft
and steer valve plunger, and spring retainer as an
assembly. Refer to figure 7-57. Tighten the retainer
assembly (114) in the position shown in figure 7-57
nuts.
(toward front of valve body).
ad. Install two retaining rings (69 and 70,
Table 7-26. Repair Standards (Steer Valve Body)
Wear limit
Reference
Size and fit
DS/GS
Foldout
Item
Point of measurement
of new parts
maintenance
59a
Free length of spring ............................
1.808
*12
12
59a
Length under load ...............................
1.130 at 33.15 to
1.130 at 32.25 lb
36.75 lb
12
63a
Outside diameter at three narrow lands of
0.9980 to 0.9985
valve
12
109e
Inside diameter of valve bore in body....
0.9995 to 1.0005
12
63a,
Fit of valve in body ..............................
0.0010L to 0.0025L
0.0045L
109e
12
73a
Outside diameter of bearing .................
0.9995 to 1.0005
*
12
109f
Diameter of bore in housing..................
0.9995 to 1.0005
1.0010
12
73a,
Fit of bearing in housing ......................
0.0010L to 0.0010T
109f
12
74a
Outside diameter of valve.....................
0.8730 to 0.8735
12
75a
Outside diameter of valve.....................
0.8730 to 0.8735
12
109d
Inside diameter of bore in body.............
0.8745 to 0.8755
12
74a,
Fit of valves in body .............................
0.0010L to 0.0025L
0.0045L
75,
109d
12
76a
Free length of spring.............................
2.075
*
12
76a
Length under load ................................
1.22 at 28.5 to
1.22 at 27.5 lb
31.5 lb
12
86a
Outside diameter of valve.....................
1.1850 to 1.1855
12
109b
Inside diameter of bore in body.............
1.1870 to 1.1880
12
86a.
Fit of valve in body ...............................
0.001L to 0.0025L
0.0045L
109b
12
103a
Free length of spring.............................
3.430
*
12
103a
Length under load ................................
3.25 at 9 to 11 lb
3.25 at 8.5 lb
12
104a
Free length of sprint, ............................
3.027
12
104a
Length under load ................................
2.69 at 57 to 73 lb
2.69 at 55.5 lb
12
107a
Outside diameter of valve.....................
0.9350 to 0.9355
12
109c
Inside diameter of bore in body.............
0.9370 to 0.9380
12
107a,
Fit of valve in body ...............................
0.0015L to 0.0030L
0.0045L
109c
12
109a
Inside diameter of bore in body.............
0.8745 to 0.8755
12
116a
Outside diameter of valve.....................
0.8730 to 0.8735
12
109 a,
Fit of valve in body ...............................
0.0010L to 0.0025L
0.0045L
116a
12
110a
Free length of spring.............................
1.1610
*
12
110a
Length under load ................................
0.758 at 18 to 22 lb
0.758 at 17 lb
12
114a
Outside diameter of shaft .....................
0.7495 to 0.7500
0.7493
*See footnote at the end of table.
7-58
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