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 271 of 1563

TM 9-2815-220-24

FUEL/WATER SEPARATOR OPERATION TESTS

0042 00

WP 0042 00-1

THIS WORK PACKAGE COVERS:

Before Tests, Tests, and After Tests

INITIAL SETUP:

Tools:

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

Multimeter (item 75, WP 0176)

Pipe plugs, 1/8-27 (2) (item 83, WP 0176)

24-volt dc power source (tool crib)

Suitable metal containers (1.0 gal (3.8 L)

minimum capacity) (2) (tool crib)

Fabricated Items:

Fuel/water separator jumper wire (item 9,

WP 0177)

Fuel/water separator test harness (item 8,

WP 0177)

Expendable and Durable Items:

Diesel fuel, as needed (item 12, WP 0173)

Wiping rags (item 26, WP 0173)

Mandatory Replacement Parts:

Filter element (1) (item 195, WP 0175)

Filter element (2) (item 196, WP 0175)

Lock washer (4) (item 93, WP 0175)

Lock washer (8) (item 92, WP 0175)

O-ring (item 197, WP 0175)

Personnel Required:

Track Vehicle Repairer (1) 63H10

Equipment Conditions:

Engine removed from vehicle and placed on a

flat stationary surface

NOTE

To verify that the fuel/water separator is functioning properly, all

tests in this work package must be performed and in the sequence

listed.

All tests must be performed with fuel/water separator in an

upright and level position.

BEFORE TESTS

1. Dismount fuel/water separator (1) from bracket (2).

a.

Remove four screws (3), with lock washers (4) and flat washers (5) securing fuel/water

separator (1) to bracket (2). Discard lock washers (4).

b.

Remove clamp (6) from sensor probe wires (7).

c.

Temporarily hang fuel/water separator from bracket with a bungee cord or other suitable

method.

3

1

4

5

2

6

7