Navistar WorkStar Series, Operator'S Manual

Page: 55 / 258

Controls/Features
23 Flashes Green when the left turn signal
or the hazard lights are turned on.
24 Illuminates Blue when the high beam
head lamps are turned on.
25 Flashes Green when the right turn signal
or the hazard lights are turned on.
NOTE: If the MIL is illuminated, it is the vehicle owner’s
responsibility to have the engine repaired or face fines.
Gauges
There are six standard and four optional gauges in the
instrument panel gauge cluster to help monitor the vehicle
while in service.
Most gauges have in-gauge warning
indicators which turn ON if the gauge pointer moves into
an out-of-acceptable-range condition. When the ignition switch
is turned ON, the gauge indicators will be ON. If any indicator
fails to go out after starting engine, stop engine and determine
cause of the gauge indication that is out of acceptable range.
Metric versions of the gauges and speedometer are available
as an option.
Item
No.
Item Description
26 Transmission Oil Temperature Gauge:
Indicates the transmission lubricant
temperature in degrees Fahrenheit or
Celsius.
27 Optional Engine Oil Temperature
Gauge: Indicates the engine lubricant
temperature in degrees Fahrenheit or
Celsius.
27 Optional Ammeter: Indicates the rate
of charge of electric current supplied by
the alternator to the battery, or the rate
of discharge from the battery.
28 Coolant Temperature Gauge:
Indicates engine coolant temperature.
The warning indicator indicates the
engine coolant temperature has
exceeded 230° F when equipped
with a 10 psi de-aeration tank, and
235° F when equipped with a 15 psi
de-aeration tank. If the warning indicator
is activated, stop the vehicle as soon as
safely possible, turn off the engine and
let the engine cool.
3879634R1
43