Warning Lights
Engine Oil Pressure Light
The oilpressure lightshould illuminate when theignition
switch is in the ON position with the engine not running.
Also,itshouldlightwiththeenginerunningiftheoilpres-
sure drops below 7 PSI (0.5 kg/cm
2
).
3
If oil pressure light does not come on when the ignition
switch is in the ON position with the engine not running:
2
1.
green harness wire from switch.
Locate oil pressure switch on engine and disconnect
4
1
2.
3.
should illuminate indicating correct operation of the
electrical circuit between the oil pressure switch and oil
pressure light.
Ground disconnected wire to the engine block.
Turn ignition switch to ON; the oil pressure light
4.
to oil pressure switch after testing is complete.
Turn ignition switch OFF and connect harness wire
Figure 11
High Temperature Warning Light
1.
2.
Charge indicator
Engine oil pressure
3.
4.
High temp shutdown
Glow plug indicator
If the coolant temperature rises to approximately 220oF
(105
oC), the high temperature warning light should illu-
minate as the dual temperature switch terminal closes.
NOTE: If the PTO is engaged when the dual tempera-
ture switch terminal closes, the PTO will disengage.
3
4
2
To test the high temperature warning light and its circuit
wiring, ground the blue wire attached to dual tempera-
ture switch on engine water flange. The high tempera-
ture warning light should illuminate.
5
1
Glow Plug Indicator Light
The glow plug indicator light should illuminate when the
ignitionswitchisplacedinONpriortoplacingtheignition
switch in START. The light should stay lit for approxi-
mately 10 seconds while the ignition switch is left in the
ON position.
1
2
B
B
1A
2A
Charge Indicator Light
The charge indicator light should illuminate when the
ignitionswitchistheONpositionwiththeenginenotrun-
ning or with an improperly operating charging circuit
while the engine is running.
Figure 12
1.
2.
3.
Charge indicator
Engine oil pressure
High temp shutdown
4.
5.
Glow plug indicator
Warning light back
Testing Warning Lights (Fig. 12)
1.
2.
3.
Apply 12 VDC to terminals 1A and 2A.
Ground terminals 1B and 2B.
Both indicator lights should light.
Groundsmaster 4000--D
Page 5 -- 11
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 30412, Toro Groundsmaster 4000 D |
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|
| Document Type | Catalog |
| 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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