Turf Guardian Leak Detector System Operation - Toro Greensmaster TriFlex 3320/3420 Service Manual

Turf Guardian
Kit)
NOTE: The Turf Guardian
optional on Greensmaster TriFlex Hybrid machines.
Before Start-Up (Cold Oil)
With ignition switch OFF, solenoid valve is open. Before
start-up, hydraulic fluid is at level mark of sight gauge (oil
cold). Oil level sensor float is in raised position, keeping
alarm circuit open.
Normal Operation (Warm Oil)
When ignition switch is turned ON, solenoid valve
closes. During normal operation, hydraulic fluid ex-
pands, causing it to overflow into leak detector tank. The
oil level sensor stays in the raised position keeping
alarm circuit open.
Electrical System
Leak Detector System Operation (Optional
TM
TM
Leak Detector System is
LEAK DETECTOR
TANK
SIGHT
GAUGE
SOLENOID
VALVE
(open)
LEAK DETECTOR
TANK
SIGHT
GAUGE
SOLENOID
VALVE
(closed)
Page 6 - - 6
OIL LEVEL SENSOR
(raised/open)
MAIN HYDRAULIC TANK
Figure 2
OIL LEVEL SENSOR
(raised/open)
MAIN HYDRAULIC TANK
Figure 3
Greensmaster 3320/3420
ALARM
(off)
ALARM
(off)