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 1435 of 1563

TM 9-2815-220-24

FRONT FAN DRIVE AND HOUSING, REPLACE/REPAIR

0169 00

THIS WORK PACKAGE COVERS:

Disassembly, Cleaning, Inspection, Repair, and Assembly

INITIAL SETUP:

Tools:

Arbor press (item 8, WP 0176)

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

Inside micrometer caliper set (item 16, WP 0176)

Outside caliper set (item 17, WP 0176)

Retaining ring pliers (item 81, WP 0176)

Telescoping gauge set (item 54, WP 0176)

Torque wrench, 200-1000 inch-pounds

(item 125, WP 0176)

Fabricated Items:

Lifting tool (item 2, WP 0177)

Mandatory Replacement Parts:

Ball bearing (item 294, WP 0175)

Ball bearing (item 297, WP 0175)

Ball bearing (item 306, WP 0175)

Cotter pin (4) (item 48, WP 0175)

Hose (item 181, WP 0175)

Key washer (item 320, WP 0175)

O-ring (item 62, WP 0175)

O-ring (2) (item 154, WP 0175)

Pipe plug (item 277, WP 0175)

Mandatory Replacement Parts (Continued)

Retaining ring (item 17, WP 0175)

Retaining ring (2) (item 287, WP 0175)

Self-locking nut (4) (item 24, WP 0175)

Self-locking nut (9) (item 140, WP 0175)

Expendable and Durable Items:

Lubriplate (item 29, WP 0173)

Pipe sealant (item 42, WP 0173)

Sealing compound (item 33, WP 0173)

Wire, nonelectrical (item 44, WP 0173)

Personnel Required:

Track Vehicle Repairer (2) 63H10

Equipment Conditions:

Engine on maintenance stand (WP 0130)

Breather tubes and oil supply hoses removed

(WP 0078)

Fuel return lines (WP 0080) and fire

extinguisher tube removed (0097)

Fuel injection pump assembly removed

(WP 0115)

REMOVAL

1. Disconnect front fan drive shaft tube assembly (1).

a. Loosen two hose clamps (2).

b. Remove four self-locking nuts (3) with flat washers (4) securing retaining plates (5).

Discard self-locking nuts.

2

3

3

5

4

4

5

1

WP 0169 00-1