Solenoid Operated, Relief and Logic Control Car-
tridge Valves
6. Reinstall the cartridge valve into the manifold:
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.
1.
Make sure the manifold is clean before removing the
cartridge valve and seal kit.
Note:
On manifold shown in Figure 50, solenoid coil
has an O--ring on each side of the coil.
IMPORTANT: Use care when installing cartridge
valves. Slight bending or distortion of the stem tube
can cause binding and malfunction. Make sure that
deep well socket fully engages the valve base.
2.
If solenoid valve is to be removed from manifold, re-
move nutsecuring solenoid tothecartridge valve. Care-
fully slide solenoid and O-rings (if equipped) off the
valve.
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.
IMPORTANT: Use care when removing cartridge
valves. Slight bending or distortion of the stem tube
can cause binding and malfunction. Make sure that
deep well socket fully engages the valve base.
C. Torque cartridge valve using a deep well socket
to specification shown in manifold illustration.
3.
well socket wrench. Remove seal kit from valve.
Remove cartridge valve from manifold with a deep
Note:
On manifold shown in Figure 50, solenoid coil
4.
for damage to sealing surfaces, damaged threads, and
contamination.
Visuallyinspectthemanifoldportandcartridgevalve
hasanO--ringoneachsideofthecoil.Also,onthisman-
ifold,applyLoctite242orequivalenttothethreadsofthe
valve before installing the coil nut.
A. Contamination may cause valves to stick or hang
up.Contaminationcanbecomelodgedinsmallvalve
orifices or seal areas causing valve malfunction.
7.
(ifequipped) tothecartridge valve.Torquenuttospecifi-
cation shown in manifold illustration.
For solenoid valve, install solenoid coil and O-rings
B. If valve sealing surfaces appear pitted or dam-
aged, the hydraulic system may be overheating or
there may be water in the system.
8.
or replace valve.
If problems still exist, remove valve and clean again
Rotary Cartridge Valves
CAUTION
1. Remove knob assembly (manifold shown in Fig.50):
A. Unscrew and remove knob. Remove both jam
nuts.
Use eye protection such as goggles when using
compressed air.
B. Slide off indicator plate being careful not to lose
springs. Remove spring.
5.
Cleaning cartridge valves:
C. Loosen set screw and slide detent plate off the
cartridge valve stem.
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.
D. Remove locating plate with pin from the cartridge
valve stem and manifold.
2.
Remove rotary handle (manifold shown in Fig. 51)
(Fig. 52):
A. Loosen two (2) set screws that secure handle
cap. Remove screw and then lift handle cap from
valve.
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.
B. Locate and retrieve detent pin, compression
spring, bushing and lip seal. The sleeve bearing
should stay in the cap.
C. Loosen two (2) set screws that secure handle
base to flow control valve and remove base.
Hydraulic System (Rev. C)
Rev. E
Reelmaster 3100--D
Page 4 -- 80
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| Tags | Toro Reelmaster 3100-D |
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| Document Type | Service Manual |
| Language | English |
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