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 219 of 1563

TM 9-2815-220-24

ENGINE PRESERVATION

0032 00

THIS WORK PACKAGE COVERS:

Engine Preservation

INITIAL SETUP:

Tools:

Fuel container (1) with fuel line

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

Expendable and Durable Items:

Engine preservative oil (5 to 7 gallons) (item 22,

WP 0173)

Clear tubing

Personnel Required:

Track Vehicle Repairer (2) 63H10

Equipment Conditions:

Engine coupled to dynamometer or ground hop,

or installed in vehicle.

ENGINE PRESERVATION

Equip an auxiliary fuel container with a fuel line and fill with a sufficient amount of preservative

oil (item 22, WP 0173), conforming to Specification VV-L-800, to operate the engine as

prescribed below.

1.

Arrange the container to provide adequate pressure to assure proper supply of the preservative

oil to the fuel system.

2.

Disconnect the fuel line at the most convenient point nearest to the engine fuel pump, and

connect the line from the auxiliary fuel container to the fuel-to-engine line at the point of

disconnect.

3.

Disconnect the engine fuel return line and connect a transparent plastic tube to the fuel return

connection.

Insert other end of plastic tube into a container to collect the return diesel fuel.

4.

The fuel valve on the auxiliary fuel container should be turned to the ON position; the engine

started and operated at 750-1000 rpm until the observed fuel return is purged of diesel fuel and

the system filled with preservative oil.

Remove engine from test stand and cap or plug all openings.

END OF WORK PACKAGE

WP 0032 00-1 (2 blank)