Indicator Lights
Charge Indicator Light
3
The charge indicator light should come on when the igni-
tion switch is in the ON position with the engine not run-
ning. Also, it should illuminate with an improperly
operating charging circuit while the engine is running.
2
Engine Oil Pressure Light
4
The engine oil pressure light should come on when the
ignition switch is in the ON position with the engine not
running. Also, it should illuminate with the engine run-
ning if the engine oil pressure drops to an unsafe level.
1
Figure 6
1.
2.
Glow plug indicator
High temp warning
3.
4.
Engine oil pressure
Charge indicator
IMPORTANT: If the oil pressure indicator light is il-
luminated with the engine running, shut off the en-
gine immediately.
5
To test the oil pressure light and circuit wiring, ground the
wire attached to oil pressure switch located on the en-
gine near the oil filter. Turn ignition switch to the ON posi-
tion; the engine oil pressure light should come on
indicating correct operation of the indicator light and cir-
cuit wiring.
2
1
3
High Temperature Warning Light
6
4
If the engine coolant temperature reaches 221oF
(105
oC) (approximate), the high temperature warning
light should come on.
1
B (−)
1A (+)
2A (+)
To test the high temperature warning light and circuit wir-
ing, turn ignition switch to the ON position and ground
the yellow wire attached to high temperature sender lo-
cated on the engine water pump housing (see Tempera-
ture Sender in this Chapter). The indicator light should
illuminate.
2B (−)
Figure 7
Glow Plug Indicator Light
1.
2.
3.
Glow plug indicator
High temp warning
Engine oil pressure
4.
5.
6.
Charge indicator
Warning light front
Warning light back
The glow plug light on Groundsmaster 3280−D ma-
chines should come on when the ignition switch is
placed in the ON position prior to placing the ignition
switch in START. The light should stay lit for approxi-
mately 6 seconds while the ignition switch is left in the
ON position.
Testing Indicator Lights
1.
2.
3.
Apply 12 VDC to terminals 1A and 2A (Fig. 7).
Ground terminals 1B and 2B (Fig. 7).
Both indicator lights should illuminate.
Groundsmaster 3280−D/3320
Page 6 − 11
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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