Indicator Lights
Charge Indicator Light
Thechargeindicatorlightshouldcomeonwhentheigni-
tion switch is in ON with the engine not running or with
an improperly operating charging circuit while the en-
gine is running.
2
To test the charge indicator light and circuit wiring,
ground the white wire attached to alternator. Turn igni-
tionswitchtoON;thechargeindicatorlightshouldillumi-
nate indicating correct operation of the electrical wiring
to the alternator.
1
3
4
Engine Oil Pressure Light
The oil pressure light should come on when the ignition
switch is in the ON position with the engine not running.
Also, it should light with the engine running if the engine
oil pressure drops below 7 PSI (0.5 kg/cm ).
2
Totesttheoilpressurelightandcircuitwiring,groundthe
green wire attached to oil pressure switch located on
right side of engine near the starter motor. Turn ignition
switchtoON;theoilpressurelightshouldilluminateindi-
cating correct operation of the electrical wiring to the oil
pressure switch.
Figure 16
3.
4.
1.
2.
Charge indicator
Engine oil pressure
High temp indicator
Glow plug indicator
High Temperature Warning Light
3
4
2
1
Ifthe engine coolant temperature rises toapproximately
220
oF (105oC), the high temperature light should come
on and the PTO (cutting decks) will disengage.
To test the high temperature shutdown light and circuit
wiring, start the engine and ground the gray wire at-
tached to the temperature sender attached to water
flange on engine (see Temperature Sender in this sec-
tion). Warning light should illuminate.
5
Glow Plug Indicator Light
1
2
B
B
1A (+)
2A (+)
The glow plug light should come on when the ignition
switch is placed in ON/PREHEAT prior to placing the
ignition switch in START. The light should stay lit for 7 to
10
seconds while the ignition switch is left in ON.
Testing Indicator Lights
Figure 17
1.
2.
3.
Apply 12 VDC to terminals 1A and 2A.
Ground terminals 1B and 2B.
1.
2.
3.
Charge indicator
Engine oil pressure
High temp shutdown
4.
5.
Glow plug indicator
Warning light back
Both indicator lights should light.
Groundsmaster 4500--D/4700--D
Page 5 -- 17
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 30857, Toro Groundsmaster 30858, Toro Groundsmaster 4500 D, Toro Groundsmaster 4700 D |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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