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pressure regulator may cause the flame-
(1) Set the pressure regulator (1, fig. 15) at
fuel drum to explode.
zero by turning the pressure adjusting screw (11, fig. 4)
counterclockwise.
(2) Supply air to the pressure line (start air
WARNING
compressor, open valve on cylinder of compressed air,
open pressure tank valve on M2A1-7 flamethrower, or
Never move a flame-fuel drum while
open high-pressure sphere valve on ABC-M9-7 or M9A1-
pressure is being applied.
7 flamethrower).
(3) Increase the air pressure delivered by the
a. Portable Flamethrowers. The M2A1-7, ABC-M9-
pressure regulator by slowly turning the adjusting screw
7, or M9A1-7 flamethrower can be filled with fuel through
(11) clockwise until the pressure gage (6, fig. 4) reads 15
the filling holes in the tops of the fuel tanks. Set up line
psi.
as outlined in paragraph 22. Remove both filling plugs
(4) Open the gate valve (8, fig. 15) in the fuel
from the flamethrower fuel tanks and insert the pipe
filling line.
nipple that is on the end of the fuel filling hose into one of
the filling holes. Take care not to damage the threads in
the filling hole.
1
Fuel transfer cap
3
Tube reducer
5
Pressure regulator
7
Check valve
2
Quick-disconnect coupling half
4
Hose
6
Tube reducer
8
Hose
Figure 17. Pressure line for fuel filling from 5-gallon gasoline can.
28
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