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 855 of 1563

TM 9-2815-220-24

DAMPER HOUSING OIL CONTROL VALVES, REPAIR/REPLACE

0106 00

THIS WORK PACKAGE COVERS:

Disassembly, Cleaning, Inspection, and Assembly

INITIAL SETUP:

Tools:

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

Inside micrometer caliper set (item 16, WP 0176)

Outside micrometer caliper set (item 17,

WP 0176)

Slide hammer (puller) (item 88, WP 0176)

Spring tester (item 118, WP 0176)

Fabricated Items:

Valve sleeve remover (item 7, WP 0177)

Mandatory Replacement Parts:

Gasket (2) (item 106, WP 0175)

Gasket (1) (item 160, WP 0175)

Self-locking nut (2) (item 33, WP 0175)

Personnel Requirements:

Track Vehicle Repairer (1) 63H10

Equipment Conditions:

Engine level on flat surface

DISASSEMBLY

Early model engines had an oil cooler bypass valve.

Later model engines

do not have this feature; it was found to be unnecessary.

If your engine

does not have an oil cooler bypass, skip step 1 and go to step 2.

1

2

3

4

1. Remove oil cooler bypass valve (1).

a. Remove plug (2).

b. Remove and discard gasket (3).

c. Remove spring (4) and plunger (1).

WP 0106 00-1