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 1328 of 1563

TM 9-2815-220-24

GENERATOR DRIVE MECHANISM REPLACE/REPAIR (650 AMPERE)

0156 00

INSPECTION (Continued)

3. Measure inside diameter (A) of idler spur gear (10).

Replace spur gear if it is not within

specifications in the following table.

4. Ball bearing (20) is a mandatory replacement item.

a. New ball bearing must meet specifications in the following table.

Inside diameter is (B)

outside diameter is (C).

5. Measure outside diameter (D) of idler shaft (13). Replace shaft if it is not within specifications

in the following table.

Location

Sizes and Fit of New Parts

inches (mm)

Wear Limits

A

2.8334 (71.9683)

2.8346 (71.9988)

2.8348 (72.0039)

B

1.1807(29.9897)

1.1811 (29.9999)

None

C

2.8341 (71.9861)

2.8346 (71.9988)

None

D

1.1804 (29.9821)

1.1808 (29.9923)

1.1802(29.9770)

20

B

C

D

10

13

A

WP 0156 00-6