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 821 of 1563

TM 9-2815-220-24

FLYWHEEL AND SPUR GEAR REPLACEMENT (2CA, 2DA)

0102 00

THIS WORK PACKAGE COVERS:

Removal, Cleaning, Inspection, and Installation

INITIAL SETUP:

Tools:

Dial indicator (item 65, WP 0176)

Eye bolt (item 11, WP 0176)

General mechanic’s tool kit (item 121, WP 0176)

Splined wrench (engine turning tool) (item 136,

WP 0176)

Suitable lifting device

Torque wrench, 500 - 2500 inch/pounds

(item 126, WP 0176)

Personnel Required:

Track Vehicle Repairer (2) 63H10

Equipment Conditions:

Engine level on flat surface

FLYWHEEL RUN-OUT

CAUTION

Flywheel run-out must be checked prior to removal of the old

flywheel and after installation of a new flywheel.

The first check is to

determine if the old flywheel is OK, and the second check is to

determine if the new flywheel meets the run-out criteria.

1. Affix dial indicator (1) (item 65, WP0176) as illustrated.

2

1

2. Observe dial indicator (1) while rotating

flywheel (2) with turning tool (3) (item 136,

WP 0176).

a. Dial indicator must not indicate more

than 0.015-inch of flywheel run-out.

b. If run-out exceeds 0.015-inch, the

flywheel must be replaced.

NOTE

Check run-out of crankshaft

flange if flywheel run-out exceeds

limits.

3

WP 0102 00-1