Service And Repairs; Hydraulic Valve Solenoids - Toro Groundsmaster 4100-D Service Manual

Service and Repairs

NOTE: For more component repair information, see
the Kubota Workshop Manual, Diesel Engine, V2003−T
Series at the end of Chapter 3 − Kubota Diesel Engine.

Hydraulic Valve Solenoids

The hydraulic valve solenoids can be replaced without
opening the hydraulic system.
1. Make sure ignition switch is off. Disconnect hydraulic
valve solenoid electrical connector from wiring harness
(Fig. 49).
2. Remove nut that secures solenoid coil to valve.
Carefully slide coil from valve stem.
3. Install new solenoid to valve.
A. Apply Loctite 242 or equivalent to threads on end
of valve stem before installing nut.
B. Torque solenoid nut to specification identified in
Figure 50. Over−tightening may damage the sole-
noid or cause the valve to malfunction.
4. Reconnect electrical connector to the solenoid.
RIGHT
FRONT
50 to 55 in−lb
(5.6 to 6.2 N−m)
4
1. LH wing deck solenoid
2. 2WD/4WD manifold solenoid
Groundsmaster 4100−D
50 to 55 in−lb
(5.6 to 6.2 N−m)
Figure 50
3. RH wing deck solenoid
Page 5 − 31
1
Figure 49
1. Manifold (LH deck shown)
2. Valve solenoid
3
4 to 6 ft−lb
(5 to 8 N−m)
2
1
50 to 55 in−lb
(5.6 to 6.2 N−m)
4. Center deck solenoid
2
Electrical System