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 1431 of 1563

TM 9-2815-220-24

REAR FAN DRIVE REPAIR

0168 00

INSPECTION (Continued)

CAUTION

If either the fan drive or driven bevel gear shaft require replacement,

both must be replaced.

They are a matched set and cannot be

replaced individually.

4. Measure outside diameter (A) of bearing surface on [driven] bevel gear shaft (8).

Replace

bevel gear shaft if not within specifications in the following table.

Location

Sizes and Fits of New Parts inches (mm)

Wear Limits

A

(bearing surface)

1.5749 (40.0025)

1.5753 (40.0126)

1.5747 (39.9973)

A

8

5. Measure outside diameters (B, C) of [drive] bevel gear shaft (4).

Replace bevel gear shaft if

not within specifications in the following table.

Location

Sizes and Fits of New Parts inches (mm)

Wear Limits

B

(outside diameter)

1.5749 (40.0025)

1.5753 (40.0126)

1.5747 (39.9973)

C

(outside diameter)

1.6244 (41.2597)

1.6248 (41.2699)

1.6242 (41.2547)

4

B

C

4

WP 0168 00-5