Controls and Indicators (Cont)
lnstrument Panel Controls and Indicators (Sheet 3 of 3).
Control or Indicator
ENGINE STOP Switch
Engine Start Switch
AIR PRESS Gage
TRAILER AIR SUPPLY Control
Used to stop engine. Returns to run position
Three position switch. Straight up is OFF
position. ON position operates electrical
system. START position operates engine
cranking circuit. When switch is released
after engine starts, switch will return to ON
Lights (red) and remains lit until airbrake air
pressure in each section of dual system is
between 60 psi (414 kPa) to 75 psi
(517 kPa). Buzzer will sound anytime
indicator is lit.
Shows air pressure (in psi and kPa) in both
sections of airbrake system. Green needle
shows front section air pressure. Red needle
shows rear section air pressure.
Shows state of charge of batteries and
alternator voltage output.
Shows alternator output in Amperes.
Charges trailer airbrake system.