OPERATING
INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF MATERIEL
Inspection
using organization and will be performed by
organizational maintenance personnel.
a. I n s p e c t t h e h e a t e r for missing parts and
b. Operator Responsibilities. The operator will
possible damage.
assist with services performed upon receipt of the
b. I n s p e c t a l l w i r i n g , p l u m b i n g , a n d m o u n t i n g s
h e a t e r when he is so directed by the Commanding
for loose connections.
officer.
2-2. Servicing
c. Preventive Maintenance. Perform the
a. General. The services to be performed upon
necessary daily preventive maintenance services
receipt of the heater are the responsibility of the
(para 3 - 4 ) .
Section II. CONTROLS AND INSTRUMENTS
and the burner fuel line shutoff valve are open. The
2-3. General
valve's metering range is from 40 to 100% fuel
This section
the
furnishes
operator
with
f l o w . It has a 40% flow in the closed or low heat
illustrations and sufficient information pertaining
position and 100% flow in the open or high heat
t o the location and use of the various controls for
position. Adjust the valve between the low and high
operating the heater properly.
positions for the desired heat output.
2-4. Controls
d. Choke Button. The choke button is located
a . Main Fuel Line Shutoff Valve. T h e m a i n f u e l
on the carburetor air inlet. It is used to supply a
line shutoff valve (fig. 1-1) is located under the fuel
rich mixture of fuel and air to the engine. Place the
tanks on the engine end of the heater. It controls
c h o k e button in the vertical or closed position (fig.
t h e fuel supply to the burner and the engine. Turn
the valve hand wheel counterclockwise to open it.
A s the engine warms up, gradually push the lever
This allows fuel to flow to the burner and the
back into the open position.
e n g i n e . TO s t o p t h e f u e l f l o w c l o s e t h e v a l v e b y
turning the handwheel clockwise.
b. Burner Fuel Line Shutoff Valve. The burner
t h e front of the burner access door. Pull it out to
f u e l line shutoff valve (fig. 1-1) is located on the
stop the forced air blast from entering the burner
top-right of the heater. It controls the fuel supply to
d u r i n g the lighting operation. As soon as the flame
the burner. Turn the handwheel counterclockwise
is established in the burner, release the rod
t o open the valve and start fuel flow to the burner.
gradually to its normal operating position.
Turn it clockwise to close the valve and stop the
f. Discharge Opening Damper Handles. T h e
fuel flow.
u p p e r and lower discharge opening damper handles
c. Burner Fuel Metering Valve, Heat Control.
( f i g . 2-1) are located on the right side of the upper
T h e burner fuel metering valve (fig. 1-1) is located
and lower discharge opening dampers. Turn the
t o the left of the burner fuel line shutoff valve on
h a n d l e s toward each other to close the dampers and
top-right of the heater. It is used to regulate the
t o restrict the flow of heated air from the unit, and
flow of fuel from the fuel tank to the burner. It can
turn them away from each other to open the
o n l y be used when the main fuel line shutoff valve
dampers.
