TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 858 of 1563
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
0176).
Replace sleeve if not within specifications in the following table.
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)
4
(spring - cooler by-pass)
Free length:
Scale reading at
2.838 inch (71.9
mm) length:
Maximum solid
height:
3.38-inch (85.9)
178.2 lb (80.8 kg)
2.40-inch (61.0)
none
+/- 9 lb ( kg)
none
8
(spring - filter by-pass)
Free length:
Scale reading at
2.81 inch (71.374
mm) length:
Maximum solid
height:
4.28-inch (108.712)
52.3 lb (23.744 kg)
2.26-inch (57.4294)
none
+/- 5 lb (2.27 kg)
none
14
(spring - pressure
regulator)
Free length:
Scale reading at
1.825 inch
(46.355 mm)
length:
Maximum solid
height:
2.83 in (71.882)
29.3 lb (13.303 kg)
1.284 in (32.6136)
none
+/- 3 pounds
none
D
C
B
A
14
15
4
18
8
WP 0106 00-4
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