4WD Solenoid Coil Replacement
1. Park machine on a level surface, engage parking
brake, lower the cutting units and turn engine OFF.
2. Disconnect solenoid electrical connector.
3. Remove coil nut.
4. Remove coil assembly.
5. Install new coil assembly and secure with coil nut.
Apply
“Locktite 242" or equivalent to threads on end of
stem tube before installing nut. Tighten nut to a torque
of 15 in-lb. Over-tightening may damage coil nut or
cause solenoid valve to malfunction.
1
Figure 36
6. Connect electrical connector.
1. 4WD solenoid
Axle Hi/Low Switch Replacement
1. Park machine on a level surface, engage parking
brake, lower the cutting units and turn engine OFF.
2. Disconnect Hi/Low switch electrical connector.
3. Remove Hi/Low switch with o-ring, spring & ball
gu
ide, spring, plunger and switch pin guide.
4. Before installing new switch, clean spring & ball
gu
ide, spring and plunger with cleaning solvent. Re-
place any worn or damaged parts. After parts are dry,
coat spring & ball guide, spring, plunger and inside of
switch pin guide with No. 2 multi-purpose grease.
2
5
1
5. Install a new o-ring, then install the new switch.
6. Connect electrical connector.
Figure 37
NOTE: For proper operation, the switch must be
scr
ewed all the way in. Improper lubrication or debris in
1. Hi/Low Switch 4. Spring
the switch could cause the switch to not open and close
2. O-ring 5. Plunger
properly. Shift linkage that is out of adjustment can also
3. Spring & ball guide 6. Switch pin guide
cause improper switch operation.
Repairs P
age 5 - 32 Groundsmaster
®
455-D
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