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 1445 of 1563

TM 9-2815-220-24

FRONT FAN DRIVE AND HOUSING, REPLACE/REPAIR

0169 00

INSPECTION (Continued)

CAUTION

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

both must be replaced, as they are a matched set and cannot be

replaced individually.

Failure to comply may result in premature

failure.

7. Measure bevel gear shafts (24, 32).

a. Measure outside diameter (A) of bearing surface on [driven] bevel gear shaft (32).

b. Measure outside diameters (B, C) of bearing surface on [drive] bevel gear shaft (24).

c. Replace both shafts if either is not within specifications in the following table.

Location

Sizes and Fits of New Parts inches (mm)

Wear Limits

A

(outside diameter)

1.5749 (40.0024)

1.5753 (40.0126)

1.5747 (39.9973)

B

(outside diameter)

1.5749 (40.0024)

1.5753 (40.0126)

1.5747 (39.9973)

C

(outside diameter)

1.5749 (40.0024)

1.5753 (40.0126)

1.5747 (39.9973)

B

C

A

24

32

WP 0169 00-11