Preparation of equipment

Eliminate all possible causes of explosion.

ounces of concentrate for a 20 gallon fuel tank.)

Personnel engaged In purging operations will:

Caution

When an emergency exists, such as

(1) NOT wear wool, nylon, silk, rayon, or other

shortage of water, request for

clothing having a tendency to generate static electricity.

additional

guidance

should

(2) Wear clean cotton clothing with no metal

directed

Army

Tank-

buttons or fittings. Remove all contents from pockets.

Automotive Command Safety Officer,

(3) Wear rubber boots.

AMSTA-CZ, Warren, MI 48090.

(4) Use cotton waste for cleaning purposes.

f. Fill fuel tank to top with water-Do not overflow.

Other material may generate static electricity.

g. Insert air line into uel tank filler neck opening

4. Preparation of equipment. a. Completely drain

and agitate solution with 3 to 5 psi of air for five minutes.

each fuel tank or fuel tank compartment, all piping,

Frequently move air hose around in tanks covering as

pumps, meters, filters, and segregators as applicable,

much area as possible especially near the bottom and

and remove all accessory items such as gages and

around baffles. Remove air line and drain solution from

floats which might entrap fuel.

fuel tank.

b. Close or seal all drains (it may be necessary to

h. Fill fuel tank and overflow for five minutes with

locally fabricate covers for some types of drains, but do

cold water or until water is clear. Drain fuel tank

not create a vacuum).

completely.

c. Fill fuel tank and overflow for five minutes with

i. Conduct a combustible vapor test reading to

cold water. Drain fuel tank completely.

determine if fuel tank is safe to repair, clean or paint,

d. Close or seal drains.

store or change material. If combustible vapor test

Caution

reading indicates tank is not safe, repeat procedures as

Insufficient amount of chemical will

cited in h above.

result in an incomplete purging.

j. Fuel tanks installed on vehicles will be

Accurate computations of amount of

processed as cited above with the exception of

chemical to be added must be made

disconnecting and plugging the fuel line at the fuel tank.

prior to the purging. Once purging

If fuel tank repairs are to be made, work must be started

has begun, do not stop until process

immediately in order to retard the process of interior

is complete.

oxidation.

e. For each 100 gallon capacity, add 40 fluid

ounces to the fuel tank. (This is equivalent to 8 fluid

By Order of the Secretaries of the Army and the Air Force:

W. C. WESTMORELAND,

General, United States Army.

Official:

Chief of Staff.

VERNE L. BOWERS,

Major General, United States Army,

The Adjutant General.

JOHN D. RYAN, General, USAF

Chief of Staff

Official:

DWIGHT W. COVELL, Colonel, USAF

Director of Administration

Distribution:

To be distributed in accordance with DA Form 12-34, (qty rqr block No 71) Requirements for TB 750 Series: TACOM.

U.S. GOVERNMENT PRINTING OFFICE 1984 O-421-302 (3850)

909-814