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 305 of 1563

TM 9-2815-220-24

FUEL SUPPLY PUMP REPLACEMENT (2CA AND 2DA)

0047 00

WP 0047 00-1

THIS WORK PACKAGE COVERS:

Removal, Installation, and Purge

INITIAL SETUP:

Tools:

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

Container to collect fuel (1.0 gal. (3.8 L)

minimum capacity)

Mandatory Replacement Parts:

Gasket (item 315, WP 0175)

Lock washer (2) (item 89, WP 0175)

Self-locking nut (4) (item 31, WP 0175)

Personnel Required:

Track Vehicle Repairer (1) 63H10

Equipment Conditions:

Power pack removed from vehicle and placed

on a flat stationary surface

REMOVAL

1.

Disconnect hose (1) from fuel pump (2)

outlet fitting.

2.

Collect fuel in a suitable container and

discard.

NOTE

The inlet tube is a rigid steel tube;

removing it requires both ends to

be free.

3

Remove inlet tube (3).

a.

Disconnect both ends of inlet tube (3).

b.

Remove two machine screws (4) flat

washers (5) and lock washers (6).

Discard lock washers.

c.

Displace back-flow valve (7) as

necessary to remove inlet tube (3).

4.

Remove fuel pump (2).

a.

Remove four self-locking nuts (8) and

flat washers (9).

Discard self-locking

nuts.

b.

Remove fuel pump (2) from adapter (10).

c.

Remove and discard mounting gasket

(not illustrated).

1

2

3

4,5,6

7

8,9

10