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 1113 of 1563

TM 9-2815-220-24

ROCKER ARM COVER REPAIR

0134 00

THIS WORK PACKAGE COVERS:

Repair

INITIAL SETUP:

Tools:

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

Expendable and Durable Items:

Cleaning compound, solvent (item 8, WP 0173)

Cloth, abrasive, crocus (item 9, WP 0173)

Personnel Requirements:

Track Vehicle Repairer (1) 63H10

Equipment Conditions:

Rocker arm cover removed (WP 0104)

REPAIR

CAUTION

The cylinder and rocker arm cover is machined as an assembly.

Numbers on

the rocker arm cover must match numbers on the cylinder to ensure

camshaft bearing alignment and running clearance.

If rocker arm cover is

damaged, the entire cylinder and rocker arm cover must be replaced.

1. Replace any defective screw thread inserts (1) (refer to WP 0028, Standard Maintenance

Procedures).

WARNING

2. Remove minor nicks, burrs, or scratches from mating surfaces of valve cover (2) with abrasive

cloth (item 9, WP 0173) dipped in cleaning compound solvent (item 8, WP 0173).

3. Replace valve covers (2) that are cracked, have deep scratches, or nicks that cannot be

removed by polishing.

1

2

END OF WORK PACKAGE

WP 0134 00-1 (2 blank)