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Page Title:
Table 7-27. Repair Standards (Right, Left Brake Apply body Bevel Gear Housing Cover)-Continued |
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 TM 9-2520-249-34&P
Table 7-27. Repair Standards (Right, Left Brake Apply body Bevel Gear Housing Cover)-Continued
Wear limit
Reference
Size and fit
DS/GS
Foldout
Item
Point of measurement
of new parts
maintenance
13
48a
Free length of spring.............................
2.42
*
13
48a
Length under load .............................. .
1.04 at 11.68 to
1.04 at 11.37 lb
12.92 lb
13
51a
Larger outside diameter of valve...........
1.1225 to 1.230
13
51b
Smaller outside diameter of valve.........
0.6850 to 0.6855
13
54a
Inside diameter at large bore in body ....
1.1245 to 1.1255
13
54b
Inside diameter at small bore in body ...
0.6870 to 0.6880
13
51a,
Fit of valves in bores ...........................
0.0015L to 0.003L 0.0045L
51b,
54a,
54b
13
53a
Outside diameter of bearing .................
0.9995 to 1.0005
*
13
54d
Inside diameter of bearing surface of body
0.9985 to 0.9995
1.000
13
53a,
Fit of bearing in body............................
0.0000 to 0.0020T
54d
13
54c
Inside diameter of smaller bore in body
0.4995 to 0.5005
13
57a
Outside diameter of valve.....................
0.4980 to 0.4985
13
54c,
Fit of valve in body ...............................
0.0010L to 0.0025L
0.0045L
57a
13
54e
Inside diameter at bearing surface of body
0.811 to 0.812
0.8125 0.812
13
56a
Outside diameter of bearing .................
Press fit in 0.811
*
to 0.812
13
54e,
Fit of bearing in body............................
0.0000 to 0.0020T
56a
13
58a
Free length of spring.............................
1.930
*
13
58a
Length under load ................................
0.800 at 4.05 to
0.80 at 3.825 lb
4.95 lb
13
68a
Outside diameter of cam ......................
1.6563 to 1.6568
1.6561
13
69a
Outside diameter of bearing .................
0.0936 to 0.0938
0.0933
13
70a
Inside diameter of race .........................
1.8449 to 1.8454
1.8456
13
68a,
Fit of cam and bearings in race ............
0.0005L to 0.0019L
69a,
70a
13
73a
Free position of spring ends..................
123 apart
*
13
73a
Position under torque load ....................
45 at 12.9 to 15.7
450 at 12.2 lb
in. Ib
13
74a
Outside diameter at bearing surface of shaft 0.6245 to 0.6250
0.6243
13
74b
Outside diameter at bearing surface of shaft .0.7495 to 0.7500
0.7493
13
75a
Free length of spring.............................
2.420
*
13
75a
Length under load ................................
1.04 at 11.68 to
1.04 at 11.37 lb
12.92 lb
13
78a
Larger outside diameter of valve...........
1.1225 to 1.1230
13
78b
Smaller outside diameter of valve.........
0.6850 to 0.6855
13
82a
Diameter of larger bore in body ............
1.1245 to 1.1255
13
82b
Diameter of small bore in body .............
0.6870 to 0.6880
13
78a,
Fit of valve in body ...............................
0.0015L to 0.003L
0.0045L
78b,
82a,
82b
*See footnote at the end of table.
7-62
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