Operation of Mixing Pipe

TM 9-2320-386-10

2-48. OPERATION OF SWINGFIRE HEATER (Contd)

(15) After heater operation, remove swingfire heater (6) from mixing pipe (refer

to task c.), turboheater (refer to task d.), or water jacket (refer to task e.) as neces-

sary. Close fuel regulator knob (2) by turning clockwise.

(16) After swingfire heater (6) stops, loosen wingnut (1) by turning counter-

clockwise and remove cover (7).

(17) Turn diaphragm valve (8) all the way counterclockwise.

(18) Install cover (7) and tighten wingnut (1) by turning clockwise.

c. Operation of Mixing Pipe.

(1) General. Mixing pipe is installed on swingfire heater to thaw frozen

brake lines, brakedrums, gear parts, tires, and other equipment.

(2) Open wingnut (5) all the way counterclockwise.

(3) Make sure gasket (4) is flat against body of swingfire heater (6).

NOTE

Swingfire heater should be in operation when installed. Refer to

task b.

(4) Install mixing pipe (3) on swingfire heater (6) and tighten wingnut (5) by

turning clockwise.

WARNING

Exhaust gases from mixing pipe can kill. Operate swingfire heater

with mixing pipe in well-ventilated area only. Failure to do so may

result in injury or death to personnel.

(5) Direct hot air from mixing pipe (3) at equipment to be thawed.

(6) After equipment is thawed, loosen wingnut (5) by turning counterclockwise

and remove mixing pipe (3).

(7) Install swingfire heater (6) in turboheater (refer to task d.), or water jacket

(refer to task e.), or stow (refer to task f.), as necessary.

2-114