Greensmaster 3150 Page 5 -- 5 Electrical System
Turf Guardiant Leak Detector System Operation
Before Start-Up (Cold Oil)
With ignition switch in the OFF position, solenoid valve
is open. Before start-up, hydraulic fluid is at level mark
ofsightgauge(oilcold).Floatisinraisedposition,keep-
ing alarm circuit open.
Figure 6
AUXILIARY
TANK
SIGHT
GAUGE
SOLENOID
VALVE
(open)
MAIN HYDRAULIC TANK
ALARM
(off)
FLOAT SENSOR
(raised/open)
Normal Operation (Warm Oil)
WhenignitionswitchisturnedtotheRUNposition,sole-
noid valve closes. During normal operation, hydraulic
fluid expands, causing it to overflow into auxiliary tank.
The float stays in the raised position keeping alarm cir-
cuit open.
Figure 7
MAIN HYDRAULIC TANK
AUXILIARY
TANK
SIGHT
GAUGE
SOLENOID
VALVE
(closed)
ALARM
(off)
FLOAT SENSOR
(raised/open)
Leak Alert!
If hydraulicfluid leaks duringoperation, the fluid levelin
the main hydraulic tank drops. This causes the float to
lower, closing the alarm circuit.The alarm will soundaf-
ter a one second time delay.
NOTE: During normal operation, with cuttingunits low-
ered, approximately 5 oz (148 ml) of hydraulic fluid will
leak before the float closes the alarm circuit and acti-
vates the alarm.
Figure 8
MAIN HYDRAULIC TANK
AUXILIARY
TANK
SIGHT
GAUGE
SOLENOID
VALVE
(closed)
ALARM
(off)
FLOAT SENSOR
(lowered/closed)
Electrical
System
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