Warning Lights
Testing Warning Lights
1.
2.
3.
Apply 12 VDC to terminals 1A and 2A.
Ground terminals 1B and 2B.
3
Both indicator lights should light.
4
2
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 when the oil
1
pressure drops below 7 PSI (0.5 kg/cm ).
2
1.
2.
3.
Disconnect green wire from the oil pressure switch.
Ground green wire to the engine block.
Turn ignition switch to ON; the oil pressure light
should come on indicating correct operation of the elec-
trical wiring to the oil pressure switch.
4.
the oil pressure switch.
Turn ignition switch to OFF. Reconnect green wire to
Figure 9
1.
2.
Charge indicator
Engine oil pressure
3.
4.
High temp shutdown
Glow plug indicator
High Temperature Shutdown Light
If the coolant temperature rises to 230oF (110oC), the
high temperature light should come on as the high tem-
perature shutdown switch stops the engine.
5
2
3
4
1.
flywheel end of engine. Warning light and audible alarm
should go on and engine should stop running.
Ground the wire attached to temperature switch on
2.
press high temperature override and hold, engine
should start and run.
Depress alarm silence and alarm should turn off. De-
1
6
3.
Reconnect wire to temperature switch.
Glow Plug Indicator Light
1B
1A
2A
The glow plug indicator light should come on when the
ignition switch is placed in ON prior to placing the ignition
switch in START. The light should stay lit for 10 seconds
while the ignition switch is left in ON.
2B
Charge Indicator Light
Figure 10
1.
2.
3.
Charge indicator
Engine oil pressure
High temp shutdown
4.
5.
6.
Glow plug indicator
Warning light front
Warning light back
The charge indicator light should come on when the igni-
tion switch is in ON with the engine not running, or with
an improperly operating charging circuit while the en-
gine is running.
Electrical System
Page 5 − 10
Groundsmaster 4000−D
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
|---|---|
| Tags | Toro Groundsmaster 4000 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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