Toro Greensmaster eTriFlex 3360 Service Manual page 277

Removing the Rear Wheel Caster Fork
Installing the Rear Wheel Caster Fork
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B
Refer to Figure 134 for this procedure.
1. Park the machine on a level surface, set the key switch to the O
and remove the key.
2. Remove the rear wheel; refer to
6–9).
3. Remove the 4 fasteners securing the rear wheel spindle or the rear wheel
gear box to the castor fork; refer to
Gear Box (page 6–19)
4. Remove the hood; refer to
(page 6–43).
5. Remove the steering position sensor bracket with the sensor attached.
6. Remove the magnetic carrier bolt and jam nut from the caster shaft.
7. Remove the 9 flange head screws (item 11) that secure the lower steering
housing.
8. Fold the locking tang (item 6) free of the castle nut.
9. Support the caster fork and remove the castle nut, tang washer, and washer.
Discard the tang washer.
10. Lower the caster fork from the machine with the lower steering housing and
sector gear attached.
11. Remove the lower bearing cone, sector gear, and lower steering housing
from the caster fork. Locate and retrieve the upper bearing cone.
12. Locate and discard the steering housing gasket. Remove any gasket material
from the upper or lower steering housing. Remove and discard the seal in
the lower steering housing.
13. Inspect the upper and lower bearing cups in the frame for wear or damage
and replace them if necessary.
Refer to Figure 134 for this procedure.
1. If the bearing cups were removed from the frame, press new cups into the
frame making sure that they are fully seated against the shoulder of the
frame housing.
2. Press a new seal in the lower steering housing. Apply a small amount of
grease on the inner lip of the new seal.
3. Being careful not to damage the new seal, fit the lower steering housing
over the caster shaft.
Note: Use a high temperature grease (Mobil XHP-222 or equivalent) for the
caster fork bearings and the steering housing.
4. Fit the sector gear over the caster shaft and coat the sector gear and steering
motor pinion gear teeth with grease.
5. Carefully fill the lower housing with 88 to 118 cc (3 to 4 ounces) of grease.
Clean any grease from the housing gasket surface with solvent if necessary.
6. Pack the bearing cones with grease and fit the lower bearing cone over the
caster shaft.
7. Verify the location of the 2 dowel pins and place a new housing gasket in
position.
8. Support the caster assembly and raise it into position against the upper
steering housing. Secure the lower steering housing with the 9 flange head
screws previously removed.
Removing and Installing the Wheels (page
Removing and Installing the Rear Wheel
for 3WD machines.
Removing and Installing the Hood Assembly
Page 6–31
position
FF
Chassis: Service and Repairs