Indicator Lights - Toro Reelmaster 3100-D Service Manual

Indicator Lights

Charge Indicator Light
Engine Oil Pressure Light
High Temperature Warning Light
Glow Plug Indicator Light
Electrical System: Component Testing
g346547
1. Charge indicator
2. Engine oil pressure
The charge indicator light should come on when the key switch is in the ON
position with the engine not running. Also, it should illuminate with an improperly
operating charging circuit while the engine is running.
The engine oil pressure light should come on when the key switch is in the ON
position with the engine not running. Also, it should illuminate with the engine
running if the engine oil pressure drops to an unsafe level.
If the oil pressure indicator light is illuminated with the engine
running, shut off the engine immediately.
To test the oil pressure light and circuit wiring, ground the wire attached to oil
pressure switch located on the engine near the oil filter. Turn key switch to the
ON position; the engine oil pressure light should come on indicating correct
operation of the indicator light and circuit wiring.
If the engine coolant temperature reaches 105ºC (221ºF) (approximate), the high
temperature warning light should come on.
To test the high temperature warning light and circuit wiring, turn key switch to
the ON position and ground the wire attached to high temperature sender located
on the engine water pump housing (see
6–29)). The high temperature warning light should illuminate.
The glow plug light should come on when the key switch is placed in the ON
position prior to placing the key switch in START. The light should stay lit for
approximately 6 seconds while the key switch is left in the ON position.
Figure 119
3. High temp shutdown
4. Glow plug indicator
IMPORTANT
High Temperature Warning Switch (page
Page 6–14 Reelmaster ® 3100-D/3105-D
20252SL Rev A