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 1299 of 1563

TM 9-2815-220-24

OIL PUMP REPAIR

0154 00

INSPECTION

All parts must be inspected with care.

Replace parts if damage or wear exceeds allowable limits.

1. See Work Package 0028 for Standard Inspection Procedures.

2. Ball bearings (19) are mandatory replacement items.

a. Replace ball bearings to specifications in the following table (Inside diameter (A) and

outside diameter (B)).

3. Inspect cluster gear (15).

a. Reject any gear that has burrs, wear, cracked or broken teeth, or pitting at tooth contact

areas.

Inspect the mating gear of any defective gear.

b. Measure inside diameter (C) on both sides of cluster gear (15).

Replace cluster gear if not

within specifications in the following table.

Location

Sizes and Fit of New Parts

inches (mm)

Wear Limits

A

0.9839 (24.9910)

0.9843 (25.0012)

None

B

2.0467 (51.9861)

2.0472 (51.9988)

None

C

2.0463 (51.9760)

2.0470 (51.9938)

2.0473 (51.9963)

15

B

C

A

B

A

19

19

WP 0154 00-5