Hydraulic Solenoid Valve Coil (Vehicles with High Flow Hydraulics Kit)
Vehicles equipped with the High Flow Hydraulics Kituse
a hydraulic solenoid valve coil for system control (Fig.
2
41).
When thesolenoid coil isenergized, hydraulic valve
RIGHT
FRONT
9
shift occurs to provide hydraulic flow for the attachment.
Testing of the coil can be done with the coil installed on
the hydraulic manifold valve.
11
5
7
Testing
3
1
6
1.
Park machine on a level surface, raise bed, stop en-
gine, apply parking brake and remove key from ignition
switch.
9
4
2
2.
Install bed support on bed lift cylinder to prevent bed
8
from lowering.
7
3.
Disconnect wire harness connector from hydraulic
10
solenoid valve coil.
NOTE: Prior to taking small resistance readings with a
digital multimeter, short the meter test leads together.
The meter may display a small resistance value (usually
0.5
ohms or less). This resistance is due to the internal
resistance of the meter and test leads. Subtract this val-
ue from from the measured value of the component you
are testing.
4.
Using a multimeter (ohms setting), measure resis-
Figure 41
tance between the two connector terminals on the sole-
noid coil. The resistance for the coil should be
approximately 7.1 ohms.
1.
2.
3.
4.
5.
6.
Hydraulic manifold
Hydraulic tee fitting
Flange head screw
Flange nut
7.
8.
9.
10. Hydraulic hose
11. Hydraulic tube
O--ring
Hydraulic tube
O--ring
Frame bracket
5.
After testing is complete, connect wire harness con-
Hydraulic hose
nector to the solenoid coil.
6.
Remove bed support from lift cylinder and lower bed.
Solenoid Coil Replacement
Remove nut that secures solenoid coil to cartridge
1
1.
valve.
5
(6.8
ft--lb
N--m)
2
2.
Carefully slide coil from valve.
3.
When installing coil on cartridge valve, torque nut to
5
ft--lb (6.8 N--m).
3
Figure 42
1.
2.
Nut
Solenoid coil
3.
Manifold body
Workman HD Series
Page 8 -- 27
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 09173SL |
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| Document Type | Service Manual |
| Language | English |
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