Checking The Leak Detector - Toro Greensmaster 3150 Operator's Manual

Checking the Leak Detector

The leak detector system is designed to assist in early
detection of hydraulic-fluid-system leaks. If the fluid
level in the main hydraulic reservoir is lowered by
118 to 177 ml (4 to 6 oz), the float switch in the tank
will close. After a 1 second delay, the alarm sounds,
alerting the operator (Figure
due to normal heating during machine operation,
causes the fluid to transfer into the auxiliary fluid
reservoir. The fluid returns to the main tank when you
turn off the ignition switch.
Figure 57
Before Starting (fluid cold)
1. Breather
2. Filler neck
3. Overflow tube
4. Dipstick (if equipped)
5. Sight window (if equipped)
59). Expansion of fluid,
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6. Solenoid-return valve
open
7. Float-raised switch open
8. No sound
9. Fluid level (cold)
Normal Operation (fluid warm)
1. Solenoid-return valve
closed
2. Float-raised switch open
1. Float-down switch closed
Fluid level down 118 to
177 ml (4 to 6 oz)
2. Warning buzzer
Checking the System Operation
1. With ignition switch in the O
leak detector switch rearward and hold. After
the 1-second delay elapses, the alarm should
sound.
2. Release the leak-detector switch.
44
Figure 58
3. Warning buzzer
4. Fluid level (warm)
Figure 59
Leak Alert!
3. Fluid level (warm)
position, move the
N
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