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 353 of 1563

TM 9-2815-220-24

COOLING FANS, VANES, FAN HOUSINGS, AND SEALS REPLACEMENT

0054 00

THIS WORK PACKAGE COVERS:

Removal, Installation

INITIAL SETUP:

Tools:

Fan rotor gauge (item 43, WP 0176)

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

Puller, Mechanical (2) (item 90, WP 0176)

Torque wrench, 0-600 foot-pounds (item 128,

WP 0176)

Mandatory Replacement Parts:

Cotter pin (2) (item 53, WP 0175)

Gasket (2) (item 257, WP 0175)

Mandatory Replacement Parts (Continued):

Lock washer (12) (item 94, WP 0175)

Seal (2) (item 191, WP 0175)

Self-locking nut (2) (item 113, WP 0175)

Personnel Required:

Track Vehicle Repairer (2) 63H10

Equipment Conditions:

Engine removed from vehicle and placed on a

flat stationary surface

REMOVAL

NOTE

Removal of front and rear cooling fans and vanes are identical.

Three

different length screws secure the cooling fan vane housings to the

cooling fan housings.

Mark each screw during removal and note the

location to aid in proper placement during installation.

1. Remove front and rear vane housings (1).

a. Remove eight screws (2) with lock washers (3).

Discard lock washers.

b. Remove two vanes housings (1) from engine.

1

1

3

2

WP 0054 00-1