TM 5-4310-368-14
Table 2-1. Operator Controls and Indicators on the Instrument Panel (Continued)
CONTROL OR INDICATOR
FUNCTION
Heater Control Switch
Controls heater with 3-positions (RUN/OFF/START).
Panel Lamp Switch
Turns on lamp to light instrument panel.
Compartment Lamp Switch
Turns on lamp inside compressor and engine enclosure.
Master Switch
Turns on electrical power to all circuits except lights and
on-board heater.
Start Switch
Energizes engine starter with momentary contact switch.
Condensate Drain Switch
Causes all drains to open as long as the switch is held in
the DRAIN position.
Compressor Load Switch
Actuates pneumatic system to allow compressor to load
the air receiver.
Throttle Switch
Controls engine speed for LOW (idle) or HIGH (normal
speed at 2650 RPM) speeds.
Choke
Manually increases fuel/air mixture for cold engine starting.
Panel Lamps
Provided limited light to the instrument panel for operation
at night.
Air Cleaner Restriction Indicator
Alerts operator when air cleaner is so clogged that it
restricts compressor performance.
2-3
