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 822 of 1563

TM 9-2815-220-24

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

0102 00

REMOVAL

NOTE

Early engine models used lock plates to secure the flywheel/spur gear

fastening screws.

If you encounter lock plates, remove and discard.

They are no longer used.

Torque for the flywheel/spur gear fasteners

has been raised to 1300-1350 inch-pounds (146.8-152.5 N•m).

1. Position flywheel (2) so that lifting hole (A) is at top center.

2. Remove nine screws (4) attaching flywheel (2) and spur gear (5).

3. Pull spur gear (5).

a. Install three of the removed mounting screws (4) into puller holes (B) provided in

spur gear (5).

b. Alternately tighten the three screws (4) to pull spur gear (5).

c. Remove three screws (4) from spur gear (5).

2

4

5

A

B

WP 0102 00-2