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 1318 of 1563

TM 9-2815-220-24

GENERATOR DRIVE MECHANISM REPLACE/REPAIR (300 AMPERE)

0155 00

INSPECTION (Continued)

4. Measure inside diameter (A) of idler spur gear (8).

Replace spur gear if it is not within

specifications in the following table.

5. Replace ball bearing (17).

a. Replace ball bearing to specifications (B, C) in the following table.

6. Measure outside diameter (D) of idler shaft (11). Replace shaft if it is not within specifications

in the following table.

Location

Sizes and Fits

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)

17

B

C

D

8

11

A

WP 0155 00-6