SECTION 2 - OPERATION
2-53
NORMAL OPERATION OF THEELECTRONIC INSTRUMENT CONTROLSYSTEM
The following is a description of how the
Electronic Instrument Control System will work
at engine start-up and field operation. The
information is based on a tractor that has no
errors indicated and is properly calibrated.
Key to the “RUN” Position - Engine Off
Turning the key to the “RUN” position without
starting the tractor will cause the electronic
monitor to display all the LCD segments for one
second and the audible alarm to sound twice.
The display will then show zero and the engine
symbol in the upper half of the module. The
lower half of the module will display a readout
based on the position of therotary select switch.
When the ignition switch turns to the “RUN”
position without the engine running, the system
also checks certain sensors and the operation
of the warning light bar. The warning light bar
activates these lights:
Park Brake
Safety Belt
Alternator Output
Engine Coolant Level
Engine Oil Pressure
Hydraulic Oil Temperature
Transmission Lube Pressure
Transmission Lube Filter
Hydraulic Lube Filter
YellowEngine Warning
Red Engine Warning
After several seconds, the system turns off the
Engine Coolant Level, Hydraulic Oil
Temperature, Transmission Lube Filter,
HydraulicLube Filter, Safety Belt, YellowEngine
Warning, and Red Engine Warning lamps.
Withthe key in the “RUN” position, four lights will
remain on until the switch moves to the
“ENGINE START” position:
Park Brake
Alternator Output
Engine Oil Pressure
Transmission Lube Pressure
Figure 2-81