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 836 of 1563

TM 9-2815-220-24

ROCKER ARM ASSEMBLY AND COVER REPLACEMENT

0104 00

REMOVAL (Continued)

NOTE

Step 4 applies only to cylinder number 6 left and right.

CAUTION

There is a concealed O-ring in the camshaft drive housing where the

housing mates to the cylinder.

Be careful not to damage this O-ring

when separating the housing from the cylinder.

If O-ring is damaged,

camshaft will have to be removed to replace the O-ring (refer to

General Support WP 0146).

4. Separate camshaft drive housing (10) from rocker arm cover (11).

a. Remove top screw (7A) and loosen two lower screws (7) on outboard side of rocker arm

cover (11).

b. Carefully separate housing (10) from rocker arm cover assembly (11) being careful not to

damage O-ring (12).

7 A

7

7

11

12 (concealed O-ring)

10

WP 0104 00-4