Toro Workman HDX Auto Service Manual page 129

Removal (Fig. 20)
1. Park vehicle on a level surface, shut engine off and
remove key from ignition switch.
2. For wheel hub to be serviced, remove wheel, brake
caliper and brake rotor (see Brake System in this sec-
tion).
3. If rear wheel hub is to be removed, remove spindle
nut (item 16) that secures splined shaft on CV axle as-
sembly to wheel hub:
IMPORTANT:If staked−in portion of spindle nut
(item 16) is not released before nut removal, CV axle
may be damaged.
A. Align a flat punch with the staked-in portion of the
spindle nut. Use a hammer to carefully drive the
punch into the nut to release the staking.
B. Remove the spindle nut from the CV axle. Dis-
card spindle nut after removal.
4. Using wheel hub hole to access flange head screws
(item 13), remove screws that secure wheel hub to ve-
hicle. Remove wheel hub from vehicle.
5. Inspect wheel studs in hub and replace studs if dam-
age is identified. Use press to extract stud(s) from hub.
NOTE: If wheel hub wear or damage exists, replace-
ment of the wheel hub assembly is necessary. Wheel
hubs are not rebuildable.
6. If front wheel hub replacement is necessary, remove
cap screw (item 12), washers (items 11 and 10) and lock
nut (item 9) from wheel hub assembly so that these com-
ponents can be installed on replacement hub.
Workman HDX Auto
Installation (Fig. 20)
1. If front wheel hub is being replaced, install cap screw
(item 12), washers (items 11 and 10) and lock nut (item
9) to new hub. Torque lock nut from 170 to 180 ft−lb (231
to 244 N−m).
2. If any wheel studs were removed from hub, press
new stud(s) fully into hub making sure that stud shoulder
is tight against hub.
3. If rear wheel hub was removed, apply antiseize lubri-
cant to splined shaft on CV axle assembly.
4. Position wheel hub to vehicle and secure with four (4)
flange head screws. Torque screws from 35 to 40 ft−lb
(48 to 55 N−m).
5. If rear wheel hub was removed, secure wheel hub to
CV axle splined shaft with new spindle nut (item 17).
Torque spindle nut from 170 to 180 ft−lb (231 to 244
N−m). After properly torquing spindle nut, stake the end
of the spindle nut into slot in CV axle splined shaft.
6. Install brake rotor, brake caliper and wheel (see
Brake System in this section). Make sure that wheel lug
nuts are properly torqued from 80 to 90 ft−lb (109 to 122
N−m).
Page 5 − 27 Chassis