Toro 03113SL Rev E Greensmaster 3150 Service Manual

NOTE:  The ports on the hydraulic manifold are marked
for easy identification of components. Example: FC1 is
the flow control valve and P1 is the gear pump connec-
tion port (see Hydraulic Schematics to identify the func-
tion of the hydraulic lines and cartridge valves at each
port location).
5.  Cleaning cartridge valves:
A.  For non--solenoid operated valves:
Submerge valve in clean mineral spirits to flush out
contamination. If valve design allows, use a probe to
push the internal spool in and out 20 to 30 times to
flush out contamination. Particles as fine as talcum
powder can affect the operation of high pressure hy-
draulic valves.  Clean and  dry cartridge with  com-
pressed air.
NOTE:  ThehydraulicmanifoldshowninFigure55uses
several zero  leak plugs. These plugs  have a tapered
sealing surface on the plug head that is designed to re-
sist vibration  induced  plug loosening.  The zero  leak
plugs also have an O--ring to provide a secondary seal.
If zero leak  plug removal is necessary,  lightly rap the
plug head using a punch and hammer before using an
allen wrench to remove the plug:  the impact will allow
plug removal with less chance of damage to the socket
headoftheplug.Wheninstallingplugsintothemanifold,
torque plugs to the values identified in Figure 55.
B.  For solenoid operated valves:
Temporarily install solenoid on  cartridge valve and
connecta12voltpowersourcetothesolenoid.While
energized, flush out any contamination with a non-
flammable aerosol brake  cleaner. De-energize the
solenoid. Repeat  the flush while energized  proce-
dure 5 or 6 times. Particles as fine as talcum powder
can affect the operation of  high pressure hydraulic
valves. Remove solenoid from cartridge.
Solenoid Operated,  Relief and Logic  Control Car-
tridge Valves (Fig. 55)
6.
Reinstall the cartridge valve into the manifold:
1.
cartridge valve and seal kit.
Make sure the manifold is clean before removing the
A.  Lubricate new O-rings and backup rings of seal
kit with clean  hydraulic oil and install  on cartridge.
The O-rings  and  backup rings  must be  arranged
properly on the cartridge valve for proper operation
and sealing.
2.
move nutsecuring solenoid tothecartridge valve. Care-
fully slide solenoid off the valve.
If solenoid valve is to be removed from manifold, re-
IMPORTANT: Usecarewhenremovingthecartridge
valve. Slight bending or distortion of the stem tube
can cause binding and malfunction. Make sure that
deep well socket fully engages the valve base.
IMPORTANT: Use care  when installing the  car-
tridge valve. Slight bending or distortion  of the
stem tube can  cause binding and malfunction.
Make sure that  deep well socket  fully engages
the valve base.
3.
Make sure  manifold is  clean before removing  the
cartridge valve. Remove cartridge valve from manifold
with a deep well socket.  Note location of O--rings and
backup rings on valve.  Remove and discard removed
seal kit.
B.  Lubricate threads on cartridge valve  with clean
hydraulic oil.  Thread cartridge  valve carefully  into
correct manifold port. The valve should go in easily
without binding.
4.
for damage to sealing surfaces, damaged threads, and
contamination.
Visuallyinspectthemanifoldportandcartridgevalve
C. Torque cartridge valve using a deep well socket
to specification shown in Figure 55.
7.
For solenoid valve, slide solenoid coil onto the car-
A.  Contamination may cause valves to stick or hang
up.Contaminationcanbecomelodgedinsmallvalve
orifices or seal areas causing valve malfunction.
tridgevalve.Installandtorquenutto60in--lb(6.7N--m).
8.
If problems still exist, remove valve and clean again
or replace valve.
B.  If valve sealing surfaces  appear pitted or dam-
aged, the hydraulic system  may be overheating or
there may be water in the system.
CAUTION
Use eye protection such as goggles when using
compressed air.
Greensmaster 3150
Page 4 -- 83
Hydraulic System (Rev. E)
Product Specification
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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)
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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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