Foam Type.

(a)

Remove fire extinguisher from

(f)

Attach valve assembly and

its location.

tighten swivel coupling nut on the new cylinder and

place fire extinguisher in mounting bracket.

(b)

Break seal by pulling safety pin

(g)

Adjust instruction

band on

from handle.

cylinder to

show

maintenance and

operating

(c)

Point horn at base of flame.

instructions.

(d) Press trigger for discharge and

(4)

Maintenance. Weigh fire extinguisher

direct stream at base of flame.

every 3 months, and replace cylinder if gross weight has

(e)

Replace cylinder immediately

decreased 4 ounces or more. Lubricate cylinder neck

after using.

threads with one drop of OE 30 oil before reassembly.

(3)

Replacement of Cylinder. To replace

Foam Type.

cylinder, perform the following:

(1)

Description.

The foam type fire

(a)

Press lever to release pressure

extinguisher is similar in size and appearance to the

from used cylinder.

soda-acid extinguisher but differs in internal construction

and extinguishing agent.

(b) Loosen swivel valve coupling

nut and remove valve assembly from used cylinder.

(2)

Operation.

Remove the foam

extinguisher from its location.

Invert the fire

(c)

Remove instruction band from

extinguisher permitting the contents of the two

used cylinder.

chambers to mix, and flow from the hose.

(d)

Place

new

cylinder

through

(3)

Refilling and Maintenance.

For

instruction band.

detailed instructions on refilling and maintenance, refer

(e) Replace safety pin in valve and

to TM 5-687 and TM 9-1799.

seal pin with sealing wire.

TAGO 6839A