Toro Greensmaster TriFlex 3400 - Indicator Lights (Greensmaster 3400)

Greensmaster 3300/3400 Page 6 -- 29 Electrical System
Indicator Lights (Greensmaster 3400)
Charge Indicator Light
Thechargeindicatorlightshouldcomeonwhentheigni-
tionswitchisintheRUNpositionwiththeenginenotrun-
ning. Also, it should illuminate with an improperly
operating charging circuit while the engine is running.
Engine Oil Pressure Light
The engine oil pressure light should come on when the
ignitionswitchisinthe RUNpositionwiththe enginenot
running. Also, it should illuminate with the engine run-
ning if the engine oil pressure drops to an unsafe level.
IMPORTANT: If the oil pressure indicator light is il-
luminated with the engine running, shut off the en-
gine immediately.
Totesttheoilpressurelightandcircuitwiring,groundthe
wire attached to oil pressure switch located on the en-
gine near the oil filter. Turn ignition switch to the RUN
position;theengineoilpressurelightshouldcomeonin-
dicating correct operation of the indicator light and cir-
cuit wiring.
High Temperature Warning Light
If the engine coolant temperature reaches 220
o
F
(105
o
C) (approximate), the high temperature warning
light will come on.
Totestthehightemperaturewarninglightandcircuitwir-
ing, turn ignition switch to the RUNposition and ground
thewireattachedtohightemperaturewarningswitchlo-
cated on the engine water pump housing (see High
Temperature Warning Switch in this section). The high
temperature warning light should illuminate when the
wire is grounded.
Glow Plug Indicator Light
The glow plug indicator light should come on when the
ignitionswitchisplacedintheRUNpositionpriortoplac-
ingtheignition switchin START. Thelightshould staylit
for approximately six (6) seconds while the ignition
switch is left in the RUN position.
Testing Indicator Lights
1. Remove console cover from console assembly to
gainaccesstoindicatorlights(seeControlConsoleDis-
assemblyintheServiceandRepairssectionofChapter
7 -- Chassis).
2. Apply 12 VDC to terminals 1A and 2A (Fig. 28) and
ground terminals 1B and 2B (Fig. 28).
3. Both indicator lights should illuminate.
1. Charge indicator light
2. Oil pressure light
3. High temp warning light
4. Glow plug light
Figure 27
1
3
2
4
Figure 28
1. Charge indicator
2. Engine oil pressure
3. High temperature
4. Glow plug indicator
5. Indicator light front
6. Indicator light back
1A (+)
2A (+)2B (--)
1B (--)
4
3
5
2
1
6
Electrical
System