TM 5-4310-368-14
Figure 1-9. Control Switches
THROTTLE SWITCH - controls engine speed. The LOW setting runs the engine at idle speed, the HIGH setting
runs it at full load speed.
CONDENSATE DRAIN SWITCH -- is a spring loaded switch. When pressed down it opens all the condensate
drains to open, blowing unwanted moisture out of the compressor.
COMPRESSOR LOAD/UNLOAD SWITCH - cuts the compressor in or out. In LOAD position the compressor is
operating. In UN LOAD position the compressor is not pumping air.
START SWITCH - is a spring-loaded switch. When pressed down it runs the starter motor to start the engine.
MASTER SWITCH - controls electrical power to all electrical systems except lights and heater. It is also used to
stop the engine.
COMPARTMENT AND PANEL LIGHT SWITCHES - control the lights in the compressor compartment and on the
control panel.
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