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 1075 of 1563

TM 9-2815-220-24

FAN DRIVE CLUTCH ASSEMBLY AND ASSOCIATED PARTS

REPLACE/REPAIR

0129 00

INSPECTION (Continued)

6. Inspect clutch disks (38, 39) for excessive heat distortion, cracks, warpage, or other abrasive

damage.

Replace clutch disks if defects are found.

7. Measure thickness (A) of two clutch disks (39), using outside micrometer (item 17, WP 0176).

Replace clutch disks if not within specifications in the following table.

Location

Sizes and Fits of New Parts inches (mm)

Wear Limits

A

(thickness of clutch disk)

0.1900 (4.8260)

0.1860 (4.7244)

0.1840 (4.6736)

8.

Measure inside diameter (B) of access cover (25).

Replace access cover if not within

specifications in the following table.

9. Measure outside diameter (C) of flange (31).

Replace flange if not within specifications in the

following table.

Location

Sizes and Fits of New Parts inches (mm)

Wear Limits

A

(access cover)

3.1496 (79.9998)

3.1503 (80.0176)

3.1506 (80.0252)

B

(flange)

1.3781 (35.0037)

1.3785 (35.0139)

1.3779 (34.9986)

39

A

38

B

C

31

25

WP 0129 00-9