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Groundsmaster 4500--D/4700--D Page 5 -- 37 Electrical System
Hydraulic Solenoid Valve Coil
A hydraulic solenoid valve coil on a hydraulic control
manifold can be replaced without opening the hydraulic
system.
Removal (Fig. 49)
1. Park machine on a level surface, lower cutting
decks, stop engineand engage parking brake.Remove
key from ignition switch.
2. Locate the solenoid valve coil that is to be removed.
3. Disconnect the wire harness electrical connector
from the coil that is to be removed. Note orientation of
electrical connector on coil for assembly purposes.
4. Remove the nut from the hydraulic valve.
5. Slide the solenoid coil from the valve.
6. Clean any corrosion or dirt from valve stem.
Installation (Fig. 49)
1. Slide solenoid coil onto the hydraulic valve. Position
coil so that connector is properly orientated.
2. Install the nut onto the valve and torque nut 5 ft--lb
(6.7 N--m) (do not over tighten).
3. Connect the machine wire harness connector to the
solenoid coil.
1. Control manifold
2. Solenoid valve
3. Coil
4. Nut
Figure 49
2
4
3
GM 4500 LIFT CONTROL
MANIFOLD SHOWN
5 ft--lb
(6.7 N--m)
1
Electrical
System