TM 5-4520-244-14
Section I.
CONTROLS AND INDICATORS
2-2. CONTROLS, DESCRIPTION AND USE
(See Figure 2-1 for illustration and description of operator controls and indicators)
FUEL GAGE, Needle indicates E (Empty) 1/4, 1/2, 3/4 and F (Full).
1.
2.
FUEL CONTROL VALVE. An off-on valve. When open (ON) fuel goes to tank, when closed
(OFF) fuel goes to nozzle.
3.
TEMPERATURE SELECTOR. Pointer on knob indicates selected temperature in 25-degree
steps from low of 150-degrees to high of 280-degrees F.
4.
TEMPERATURE SELECTOR VALVE. Turn knob clockwise for hotter air, counterclockwise
for cooler air.
5.
TEMPERATURE GAGE. Needle points to actual temperature of discharge air in degrees
Fahrenheit.
6.
DAMPER CONTROL. When facing hot air outlet, turn LEFT to close, RIGHT to open.
7.
ENGINE STOP. Switch that stops engine by grounding spark plug voltage.
8.
CHOKE. Control on carburetor allows operator to adjust fuel mix for cold starting.
Figure 2-1. Heater Controls and Indicators.
Change 5
2-2
