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 TM 9-2815-220-24
DAMPER HOUSING OIL CONTROL VALVES, REPAIR/REPLACE
0106 00
INSPECTION (Continued)
1. Measure inside diameters (A and B) of sleeve (18) using inside micrometer (item 16, WP
2. Measure outside diameters (C and D) of pressure regulator valve (15) using outside
micrometer (item 17, WP 0176). Replace valve if not within specifications in the following
table.
3. Check springs (4) [cooler by-pass], (8) [filter by-pass], and (14) [pressure regulator] against
the following limits using a spring tester (item 118, WP 0176). Replace any spring that is not
within specifications in the following table.
Location
Sizes and Fits of New Parts inches (mm)
Wear Limits
A (inside diameter - small)
0.8125 (20.6375)
0.8135 (20.6629)
0.8145 (20.6883)
B (inside diameter - large)
1.1865 (30.1371)
1.885 (47.879)
1.1905 (30.238)
C (outside diameter - small)
0.8095 (20.5613)
0.8105 (20.5867)
0.8085 (20.5359)
D (outside diameter - large)
1.1840 (30.0736)
1.1850 (30.099)
1.1830 (30.0482)
none
3.38-inch (85.9)
4 (spring - cooler by-pass)
Free length:
Scale reading at
2.838 inch (71.9
+/- 9 lb ( kg)
178.2 lb (80.8 kg)
mm) length:
Maximum solid
none
2.40-inch (61.0)
height:
none
4.28-inch (108.712)
8 (spring - filter by-pass)
Free length:
Scale reading at
2.81 inch (71.374
+/- 5 lb (2.27 kg)
52.3 lb (23.744 kg)
mm) length:
Maximum solid
none
2.26-inch (57.4294)
height:
none
2.83 in (71.882)
14 (spring - pressure
Free length:
regulator)
Scale reading at
1.825 inch
(46.355 mm)
+/- 3 pounds
29.3 lb (13.303 kg)
length:
Maximum solid
none
1.284 in (32.6136)
height:
A
C
18
4
15
D
B
8
14
WP 0106 00-4
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