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 1146 of 1563

TM 9-2815-220-24

CRANKCASE REPAIR

0137 00

INSPECTION (Continued)

6. Measure inside diameter of starter bearing

bore (A) in crankcase.

Replace crankcase if

measurements are not within limits (see table

below).

7. Measure inside diameter of generator bearing

bore (B) in crankcase.

Replace crankcase if

measurements are not within limits (see table

below).

REPAIR STANDARDS:

Location

Point of Measurement

Size and Fit of New Parts

min./max.

[

inches (mm)

]

Wear

Limits

B

A

A

Inside diameter of starter bearing bore

in crank case

2.8346

(71.9984)

2.8353

(72.01662)

2.8356

(72.02424)

B

Inside diameter of generator bearing

bore in crank case

2.8346

(71.9984)

2.8353

(72.01662)

2.8356

(72.02424)

REPAIR

1. Replace bent or otherwise damaged oil transfer tubes (10, 11).

2. Replace bent or otherwise damaged bushing (12) (WP 0028).

3. Replace loose or damaged dowel pins (13).

13

12

11

10

WP 0137 00-6