WARNING
If equipment fails to operate, refer to troubleshooting procedures in paragraph 3-6.
Section I. OPERATING PROCEDURES
2-1 General
front of the burner access door. Pull it out to atop the
forced air blast from entering the burner during the
This section contains a description of the heater con-
lighting operation. As soon as the flame is
trols and instructions on setting up the heater, star-
established in the burner, release the rod gradually
ting the engine, lighting the burner and shutting
to its normal operating position.
down operation.
2-2 Controls
The upper and lower discharge opening damper han-
dles are located on the right aide of the upper and
The following description will furnish the operator
with sufficient information pertaining to the location
lower discharge opening dampers. Turn the handles
toward each other to close the dampers and to
and use of the various controls for operating the
restrict the flow of heated air from the unit, and turn
heater properly.
them away from each other to open the dampers.
a. Fuel Line Shutoff Cock. The fuel line shutoff
cock is located in the control box on the side of the
f. Burner Overheat Safety Valve. The burner
heater. It controls the fuel supply to the burner.
overheat safety valve is located inside and at the
Turn the valve counterclockwise to open it. This
bottom left front side of the heater. It is a ther-
mostat-type valve operated by liquid-filling sensing
allows fuel to flow to the burner. To stop the fuel
bulb. If the heated air from the unit exceeds a cer-
flow dose the cock by turning the handwheel clock-
tain predetermined temperature, the valve will act
wise.
to limit the fuel flow, reducing the heat output to a
perature control valve is located in the control box
safe level. Whenever this occurs, close the burner
on the aide of the heater. It is used to regulate the
fuel line shutoff cock. After the burner has been per-
flow of fuel from the fuel tank to the burner. It can
mitted to cool, relight it.
only be used when the fuel line shutoff cock is open.
g. Ignition Switch (fig. 2-1). The ignition switch
The valve's control range is from 40 to 100% fuel
located on the top left side of the flywheel housing is
flow. It has a 40% flow in the closed or low heat
used to start and stop the engine. It is a toggle-type,
on-off switch.
position and 100% flow in the open or high heat
position. Adjust the valve between the low and high
h. Inlet Temperature Control. The inlet tem-
positions for the desired heat output.
perature control handle is located on the left side
and at the rear of the air cleaner. It regulates the air
on the carburetor air inlet. It is used to supply a rich
supply to the engine and the control is set before
operation by the operator. The setting is determined
mixture of fuel and air to the engine. Place the choke
by the ambient temperature.
button in the vertical or closed position during the
starting and warming up operation. As the engine
warms up, gradually push the lever back into the
only instrument on the heater. It is located on the
open position.
top of the fuel tank, and it indicates the amount of
fuel in the tank.
is located on the right side of the heater just to the
