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SECTION 2 - OPERATION
2-96
External Shutdown Conversion - Each tractor
is manufactured so that the operator can convert
the Electronic Instrument Control System to shut
the tractor engine off via a s ignal from an outside
source (i.e., a towed implement that is powered
by a separate engine). If the tractor Electronic
Instrument Control System receives a signal
from an external source, the Electronic
Instrument Control System will react in the same
manner as detailed in “Low Engine Oil Pressure ”
or “High Engine Coolant Temperature”
If the external shutdown conversion is made on
the tractor and a shutdown situation is present,
the electronic monitor will not inform the operator
whether it is a tractor function or an external
signal causing the shutdown. The operator must
look at thewarning lights and gaugeson the dash
to determine the cause.
NOTE: Only low engine oil pressure or h igh
engine coolant temperature will cause a
tractor related automatic shutdown.
Tractors are assembled with the external engine
shutdown feature disabled. The operator has the
option of enabling the feature at any time.
If the operator desires to enable the external
automatic shutdown feature, proceed as follows:
1. Unhook the battery cables from the batteries.
This will prevent any possibility of an
accidental short while making the conversion.
See Section 3 in this manual for information
on how to disconnect the cables.
NOTE: Disconnecting the batteries will
not remove any calibration numbers from
the memory of the Electronic Instrument
Control System. If the tractor is equipped
with the optional Tractor Performance
Monitor (TPM), the TPM may have to be
reset.