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Workman HD Series Page 8 − 9 Electrical System
Gauge Cluster
Hourmeter
The hourmeter should move 1/10 of an hour for every six
minutes that the ignition switch is in the ON position.
Fuel Level Gauge
The fuel level gauge displays the approximate amount
of fuel remaining in the fuel tank. Additionally, a red LED
will illuminate when the fuel tank is low and the LED will
flash when the tank is near empty.
Oil Pressure Warning Light
The oil pressure LED should come on when the ignition
key switch is in the ON position with the engine not run-
ning or if the engine oil pressure switch closes during en-
gine operation due to low oil pressure.
Charge Indicator Light
The charge indicator LED should come on when the igni-
tion key switch is in the ON position with the engine not
running or if the charging circuit is not operating properly
during engine operation.
Speedometer (Workman HDX and HDX−D)
The speedometer on Workman HDX and HDX−D ve-
hicles displays the vehicle ground speed. Speed is
shown in either miles per hour or kilometers per hour de-
pending on the status of the MPH/KPH shunt.
NOTE: The speedometer is optional on Workman HD
vehicles.
Engine Coolant Temperature Gauge (Workman HDX
and HDX−D)
The temperature gauge on Workman HDX and HDX−D
vehicles displays the engine coolant temperature. If the
coolant temperature exceeds 230F (110C), the temper-
ature gauge will display a blinking red LED.
Tachometer (Workman HDX and HDX−D)
The tachometer on Workman HDX and HDX−D vehicles
displays the engine speed.
NOTE: The tachometer is optional on Workman HD ve-
hicles.
Glow Light (Workman HDX−D)
The glow light LED on Workman HDX−D vehicles illumi-
nates whenever the engine glow plugs are energized.
Check Engine Light (Workman HDX)
If the engine ECU identifies that an engine problem ex-
ists, the check engine light will illuminate. The engine
speed may be reduced or the engine might stop. The
Kubota Gasoline Service Tool (KGST) and software,
and the Kubota Diagnostic Manual should be used to
provide assistance in identifying the cause of the prob-
lem and any repairs that are necessary. Connect the
Kubota Gasoline Service Tool (KGST) to the diagnostic
connector above the engine ECU. Contact your Toro dis-
tributor for assistance in Kubota engine troubleshooting.
1. Hourmeter
2. Fuel level gauge
3. Oil pressure light
4. Charging light
5. Speedometer
6. Temperature gauge
7. Tachometer
8. Glow plug/Check
engine light
Figure 8
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Electrical
System