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 833 of 1563

TM 9-2815-220-24

ROCKER ARM ASSEMBLY AND COVER REPLACEMENT

0104 00

THIS WORK PACKAGE COVERS:

WP 0104 00-1

Removal, Cleaning, Inspection, and Installation

INITIAL SETUP:

Tools and Special Tools:

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

Torque wrench, 0-300 inch pounds (item 124,

WP 0176)

Torque wrench, 200-1000 inch pounds (item 125,

WP 0176)

Torque wrench, 0-175 foot-pounds (item 127,

WP 0176)

Mandatory Replacement Parts:

Gasket (2) (item 291, WP 0175)

Gasket (2) (item 350, WP 0175)

Seal washer (4) (item 194, WP 0175)

Expendable and Durable Items:

Lubriplate (item 23, WP 0173)

Sealant (item 33, WP 0173)

Personnel Requirements:

Track Vehicle Repairer (2) 63H10

Equipment Conditions:

Engine on flat stationary surface

Fuel/water separator removed (WP 0084)

Fuel injector tubes removed (WP 0113)

Cylinder oil drain back tubes removed

(WP 0077)

Engine oil cooler frames removed (0090)

Fuel nozzle and holder removed (WP 0114)

REMOVAL

NOTE

The engine has twelve rocker arm assemblies and covers.

The

following procedures apply to one or all covers.

If covers only need to

be removed from one bank, major assemblies can be removed from

just one bank.

Fuel/water separator need not be removed if rocker cover for cylinder

1L is not going to be removed.