TM 5-4310-386-14
Key
Control or Indicator
Function
8
Engine Run Stop Switch
Spring loaded toggle switch. When depressed energizes
a solenoid which pushes the engine stop lever, thus
shutting the engine down.
9
Ignition Switch
Key operated, three position (OFF, RUN, START) switch.
Turning key to START position and pushing in starts
engine. When engine starts, release key and turn to RUN
position. To stop engine, turn key to OFF position.
10
Relay Latch Pushbutton
Works in conjunction with ignition switch. Pushbutton is
pushed in and held until engine started, then released.
Activates automatic shutdown in case of excessive engine
or compressor temperature or abnormal oil pressure.
11
Safety Bypass Switch
Turn position toggle switch. Used during cold weather for
engine starts for clutch disengaged. Must be in ON
position when starting engine so that low oil pressure
safety on the compressor does not shut down engine.
Once clutch is engaged, must be in OFF position
12
Condensate Drain Switch
Two position (ON/OFF), spring loaded toggle switch.
Causes all condensate drains to open when held in the ON
position. Normally held for six seconds every 15 minutes
by operator.
13
Condensate Heater Switch
Two position (ON/OFF) toggle switch. Controls the heater
for the condensate valve assembly. Used in cold weather
only.
14
Condensate Heater Lamp
Indicates when condensate heater is on.
15
Service Line Valve
Controls air flow to the service line outlet.
2-3
