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 1305 of 1563

TM 9-2815-220-24

OIL PUMP REPAIR

0154 00

INSPECTION (Continued)

13. Visually inspect oil transfer tubes (49) of housing assembly (28) for any damage.

a. Replace bent or damaged tubes.

14. Measure the inside diameter (A) of four impeller bores in housing assembly (28).

Replace oil

pump if not within specifications in the following table.

15. Measure depths (B, C) of impeller bores in housing assembly (28).

Replace oil pump if not

within specifications in the following table.

16. Measure inside diameters (D, E) of bushings (50, 51) in housing assembly (28).

Replace oil

pump if not within specifications in the following table.

Location

Sizes and Fit of New Parts

inches (mm)

Wear Limits

A

2.4850 (63.1190)

2.4862 (63.1494)

2.4875 (63.1825)

B

0.8030 (20.3962)

0.8050 (20.4470)

0.8055 (20.4597)

C

2.4320 (61.7728)

2.4340 (61.8236)

2.4345 (61.8363)

D, E

1.1330 (28.7782)

1.1340 (28.8036)

1.1350 (28.8290)

51, E

B

50, D

A (4 places)

C

49

28

49

WP 0154 00-11