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 1303 of 1563
TM 9-2815-220-24
OIL PUMP REPAIR
0154 00
INSPECTION (Continued)
9. Measure outside diameter (A) of shaft (18).
Replace oil pump if not within specifications in
the following table.
10. Inspect reserve compartment impellers (38 and 39).
a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth
contact areas.
b. Measure length (B) of three impellers (38 and 39).
Replace oil pump if not within
specifications in the following table.
c. Measure inside (C) and outside (D) diameter of two impellers (38).
Replace oil pump if
not within specifications in the following table.
d. Measure outside diameter (E) of impeller (39).
Replace oil pump if not within
specifications in the following table.
Location
Sizes and Fit of New Parts
inches (mm)
Wear Limits
A
0.9835 (24.9809)
0.9840 (24.9936)
0.9832 (24.9732)
B
0.2090 (5.3086)
0.2100 (5.3340)
0.2085 (5.2959)
C
0.9860 (25.0444)
0.9865 (25.0571)
0.9870 (25.0698)
D
2.4774 (62.9259)
2.4778 (62.9361)
2.4770 (62.9158)
E
2.4794 (62.9767)
2.4798 (62.9869)
2.4790 (62.9666)
A
18
38
39
A
C
C
D
E
D
B (all 3
impellers)
38
WP 0154 00-9
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