Toro GroundsmasterR 4300-D User Manual

Groundsmaster 4300--DPage 5 -- 24Electrical System
Hour Meter
The hour meter is located on the outside of the control
arm.
1. Remove control arm covers to gain access to hour
meterandmeter terminals(seeControlArmDisassem-
bly in the Service and Repairs section of Chapter 6 --
Chassis).
2. Make sure ignition switch is in the OFF position. Lo-
cate the hour meter and disconnect the wire harness
electrical connector from the meter.
3. Connectthepositive(+)terminalofa12VDCsource
to the positive ( +) terminal of the hour meter.
4. Connect the negative (--) terminal of the voltage
source to the other terminal of the hour meter.
5. The hour meter should move 1/10 of an hour every
six (6) minutes.
6. Disconnect the voltage source from the hour meter.
7. Replace the hour meter if necessary.
8. Connect wire harness electrical connector to the
hour meter.
9. Install control arm covers to machine (see Control
Arm Assembly in the Service and Repairs section of
Chapter 6 -- Chassis).
Figure 21
QUARTZ
Hobbs
HOURS
1
0000
1
10
+
BACK
Temperature Gauge
The temperature gauge on the control panel indicates
engine coolant temperature level during machine op-
eration.Thec hangingresistanceoftheenginetempera-
ture sender signals the temperature gauge.
The temperature gauge should display the first green
segmentwhen theignitionswitch isturnedto RUN.The
first yellow segment on the gauge should display when
engine coolant temperature is approximately 212
o
F
(100
o
C).
Whenenginecoolanttemperaturerisestoapproximate-
ly221
o
F(105
o
C),thetemperaturegaugeshoulddisplay
the first red segment. At this point, the temperature
gaugeprovidesaninputtotheTECcontroller.Thiscon-
troller input causes the high temperature warning light
on the control panel to illuminate and the cutting decks
to shut down.
1. Control panel 2. Temperature gauge
Figure 22
1
2

Toro GroundsmasterR 4300-D Specifications

General

Brand	Toro
Model	GroundsmasterR 4300-D
Category	Lawn Mower
Language	English