Toro 03113SL Rev E Greensmaster 3150 Service Manual

Leak Detector Float Switch
The leak detector float switch closely monitors the hy-
draulic fluid level in the main hydraulic tank. The switch
contactsareopenwhenthefloatisintheraisedposition,
and closed when the float is in the lowered position.
1
1.
If the float switch is connected to the main harness,
remove hydraulic tank cap and screen from filler neck of
hydraulic tank. Turn ignition switch to  On (do not start
the engine). Insert a clean rod or screw driver into filler
neckandgentlypushdownonswitchfloat.Alarmshould
sound after a one second time delay.
2.
If the float switch is removed or disconnected from
the main harness, connect a continuity tester across the
float switch wire terminals. Current should flow across
the terminals only when the float is pushed down. There
should be no current flow across the terminals when the
float is in the raised position.
2
Figure 23
1.
Main hydraulic tank
2.
Float switch
Leak Detector Solenoid Valve
The leak  detector solenoid  valve is  a normally  open
valve that allows hydraulic fluid to flow from the auxiliary
tank to the main hydraulic tank while the ignition is Off.
This feature fills the main hydraulic tank with fluid from
the auxiliary  tank prior to  starting the unit.  The valve
closes when the ignition is On and during unit operation.
2
3
1.
Disconnect the wiring connector at the valve sole-
4
noid.
1
2.
Connect 12 vdc power  across the solenoid termi-
nals. The valve spool should retract completely.
3.
Ifvalve does not retract smoothly or does not retract
completely, replace or rebuild the valve  (see Solenoid
Operated Cartridge Valves in this chapter of this manu-
al).
4.
To check  the valve supply power,  set the ignition
switch to On  (do not start the engine).  Connect a DC
voltmeter across the main  harness leads for the sole-
noid valve, 12 volts should be present.
Figure 24
1.
2.
Main hydraulic tank
Valve body
3.
4.
Valve spool
Solenoid
Electrical System
Page 5 -- 16
Greensmaster 3150
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 306 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower
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Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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Toro 03113SL Rev E Greensmaster 3150 Service Manual SKU UPC Model
kurt on May 29, 2014.

Safety switches not working


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