Service Manual
Rev. I
Greensmaster 3250--D
Page 5 -- 16
Electrical System (Rev. C)
Warning Light Cluster
Two s tyles of warning light clusters have been used on
the Greensmaster 3250--D. On machines with serial
number below 250000000, the four warning lights are
included in one component (Fig. 18). On machines with
serial number above 250000000, the four warning lights
are included in two components (Fig. 20).
Note: Individual light bulbs can be tested by removing
them from the light cluster and applying 12 VDC to their
wiring terminals.
Oil Pressure Light
The oil pressure light should come on when the ignition
switch is in the ON position with the engine not running.
Also, it should light with the engine running when the oil
pressure drops below 4 PSI (0.3 kg/cm
2
).
1. Disconnect w hite/red wire from the oil pressure
switch.
2. Ground white/red wire to the engine block.
3. Turn the ignition switch to ON; the light should come
on.
4. Turn the ignition switch to OFF. Connect white/red
wire to the oil pressure switch.
High Temperature ( Water) Shutdown Light
When the coolant temperature is above 238
o
F(114
o
C),
the temperature light comes on as the high temperature
shutdown switch and relay s topped the engine. The igni-
tion switch must be in either the ON or START position
for the light to come on.
Glow Light
The glow light comes on when the ignition switch is
placed in RUN prior to placing the ignition switch in
START, and stays lit for approximately ten (10) seconds
while left in RUN.
Battery Light
The battery light should come on when the ignition
switch is in ON with the engine not running, or with an
improperly operating c harging circuit while the engine is
running.
1. Turn ignition switch to ON; the light should c ome on.
2. Turn ignition switch to OFF.
Figure 18
OIL
(RED)
BATT
(AMBER)
WA TER
(RED)
GLOW
(AMBER)
FRONT BACK
A
B
F
E
ABCDE F
Serial Number Below
250000000
Figure 19
GLOW
BATT
OIL
WA TER
B
E
F
A
C
D
1. Battery light
2. Oil pressure light
3. High temperature light
4. Glow light
Figure 20
4
1
3
2
Serial Number Above
250000000










