BRAKE FLUID, SILICONE (BFS) CONVERSION PROCEDURES FOR TANK-AUTOMOTIVE EQUIPMENT

*TB 43-0002-87

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

BRAKE FLUID, SILICONE (BFS) CONVERSION PROCEDURES

FOR TANK-AUTOMOTIVE EQUIPMENT

Headquarters, Department of the Army, Washington, DC

5 February 1982

REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS

You can help improve this technical bulletin. If you find any mistakes or if you know a way to improve

the procedures, please let us know. Mail your letter, DA Form 2028 (Recommended Changes to Publi-

cations and Blank Forms), direct to: Commander, US Army Tank-Automotive Command, ATTN:

DRSTA-MB, Warren, MI 48090. A reply will be sent to you.

b. Fielded vehicles/equipment (Commercial, Tactical,

1. Purpose. This bulletin provides instructions to Organ-

M48/M60 Series Tanks, and Trailers) will be converted

izational, Direct Support, General Support, and Depot

to BFS during scheduled maintenance or unscheduled

Maintenance personnel responsible for conversion of

brake system maintenance. Construction and material

hydraulic brake systems from the use of the present

handling equipment brake systems utilizing polyglycol

polyglycol brake fluid to silicone brake fluid. This bulle-

will be converted during scheduled or unscheduled main-

tin also contains the procedures for return of unopened

tenance as well as systems other than brakes (i.e., winch

containers of polyglycol brake fluids.

drum clutches) which utilize polyglycol brake fluid.

c. Foreign manufactured vehicles/equipment are not

NOTE

included in the BFS program.

Support for these

Schedule for conversion is July 1981

vehicles/equipment will be accomplished through the

through June 1982.

local economy.

4. Parts and Supplies.

2. Scope. These procedures are for use by the US Army

a. Brake Fluid, Silicone, Automotive, MIL-B-46176:

fortheonversion of Tank-Automotive vehicle/equip-

NSN 9150-01-102-9455 - Plastic container, 1 gallon.

ment hydraulic brake systems from the use of polyglycol

brake fluids (Federal Specifications W-B-680 and Mili-

b. Filler Bleeder, Hydraulic, NSN 4910-00-273-3658,

tary Specifications MIL-H-13910 or MIL-P-46046) to

MIL-F-19849.

Brake Fluid, Silicone, Automotive, All Weather, Opera-

c. Clear flexible tubing, l/4 inch inside diameter,

tional

and

Preservative

(BFS)

(Specification

NSN 4720-00-818-3476.

MIL-B-46176).

3. Conversion Criteria. Tank-Automotive vehicle/equip-

NOTE

ment conversion to BFS will be accomplished in the

If permanent decals are not available at the

following manner:

time of conversion to BFS, use a suitable tag

a. New non-tactical (commercial) vehicles/

stating "Caution Use Silicone Brake Fluid

equipment received with polyglycol brake fluid -

Only, MIL-B-46176." Attach to master

will be replenished with BFS whenever brake fluid

cylinder. Replace tag with a permanent

additions are required. These vehicles/equipment

decal when available.

are to be retrofitted with BFS at the time of major

brake system maintenance. Vehicles/equipment in

d. Permanent decal, NSN 7690-01-11l-2265, P/N

depots will be converted to BFS prior to shipment. 12302516, Manufacturer Code 19207.

*This bulletin supersedes TB 43-0002-87

20 April, 1981