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 643 of 1563

TM 9-2815-220-24

FUEL INJECTION NOZZLE RETURN HOSES REPLACEMENT

0080 00

THIS WORK PACKAGE COVERS

WP 0080 00-1

Removal, Cleaning, Inspection, and Installation

INITIAL SETUP:

Tools:

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

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

WP 0176)

Mandatory Replacement Parts:

Copper gasket (24) (item 310, WP 0175)

Hose (item 120, WP 0175)

Hose (item 125, WP 0175)

Hose (item 250, WP 0175)

Hose (item 251, WP 0175)

Self-locking nut (4) (item 30, WP 0175)

Models 2CA & 2DA unique:

Self-locking nut (3) (item 42, WP 0175)

Mandatory Replacement Parts, Continued:

Early Model 2DR unique:

Hose (item 131, WP 0175)

Hose (item 132, WP 0175)

Hose (item 176, WP 0175)

Lock washer (item 88, WP 0175)

Retaining ring (item 8, WP 0175)

Self-locking nut (3) (item 42, WP 0175)

Late Model 2DR unique:

Hose (item 135, WP 0175)

Lock washer (item 88, WP 0175)

Self-locking nut (3) (item 42, WP 0175)

Personnel Required:

Track Vehicle Repairer (1) 63H10

Equipment Conditions:

Engine top housing assembly removed

(WP 0055)

Oil coolers removed (WP 0072)

NOTE

Only those items that have call-out numbers can be replaced at the

Organizational level.

Fuel return hoses connected to the engine cylinders are the same

between models 2CA, 2DA, and 2DR.

Fuel return hoses in the Vee

are the same between 2CA and 2DA, but are different on 2DR.

In

addition, engine model 2DR has two configurations, an early model

and a later model.