Indicator Lights
Glow Plug Indicator Light
3. Apply 12 VDC to terminals 1A and 2A (Fig. 20).
4. Ground terminals 1B and 2B (Fig. 20).
The glow plug indicator light should come on when the
ignitionswitchisplacedintheRUNpositionpriortoplac-
ing the ignition switch in START. The light should stay lit
for approximately six (6) seconds while the ignition
switch is left in the RUN position. The indicator light
should also be illuminated when the ignition switch is in
the START position.
5.
Both indicator lights should illuminate.
6.
Connect wire harness electrical connector to the in-
dicator light.
7.
Install control arm cover to machine (see Control
Arm Assembly in the Service and Repairs section of
Chapter 6 -- Chassis).
High Temperature Warning Light
If the engine coolant temperature reaches 221oF
(105
oC) (approximate), the high temperature warning
light should come on.
2
3
NOTE: When machine is in mow operation, high cool-
ant temperature will cause the cutting decks to shut off
in addition to warning light illumination.
1
4
Engine Oil Pressure Light
Figure 19
The engine oil pressure light should come on when the
ignition switch is in the RUN 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.
2.
Glow plug indicator
High temp warning
3.
4.
Engine oil pressure
Charge indicator
5
6
Totesttheoilpressurelightandcircuitwiring,groundthe
wire attached to oil pressure switch located on the en-
gine near the oil filter. Turn ignition switch to the RUN
position;theengineoilpressurelightshouldcome onin-
dicating correct operation of the indicator light and cir-
cuit wiring.
2
3
Charge Indicator Light
1
4
Thechargeindicatorlightshouldcomeonwhentheigni-
tionswitchisintheRUNpositionwiththeenginenotrun-
ning. Also, it should illuminate with an improperly
operating charging circuit while the engine is running.
1
2
B (--)
B (--)
1A (+)
2A (+)
Testing Indicator Lights
If testing of the indicator lights is necessary:
1.
tor light and harness connectors (see Control Arm Dis-
assembly in the Service and Repairs section of Chapter
Remove control arm covers to gain access to indica-
Figure 20
6
-- Chassis).
1.
2.
3.
Glow plug indicator
High temp warning
Engine oil pressure
4.
5.
6.
Charge indicator
Indicator light front
2.
Locate the indicator lightto betested anddisconnect
Indicator light back
the wire harness electrical connector from the light.
Groundsmaster 4300--D
Page 5 -- 23
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4300 D |
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|
| Document Type | Catalog |
| Language | English |
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