Service Manual

ZT-2800
®
/ZT-3100/ZT-3400™ 19
Do not use this procedure to remove the
drive wheel from the transaxle. Remove the
drive wheel by removing the lug nuts.
DESCRIPTION: Follow the directions below
for removal of anged hubs from tapered axle
shafts to facilitate maintenance to bearings,
bushings and seals externally.
Note: Anytime a hub and/or hub nut is
removed, it is to be discarded and
replaced with a new hub and/or hub
nut.
WARNING
POTENTIAL FOR SERIOUS INJURY
Inattention to proper safety, operation,
or maintenance procedures could re-
sult in personal injury, or damage to the
equipment. Before servicing or repairing
the transaxle, fully read and understand
the safety precautions described in the
transaxle Service and Repair manual that
pertains to the specic transaxle to be
repaired.
Note: BeforeusingtheappropriateHubRe-
movalTool,applyathincoatofanti-
seizetotheboltthreads.Threadthe
boltinandoutoftheHubPullerprior
tousingitforthersttime.
1. With the vehicle engine placed in the “OFF”
position, chock the front wheels, engage the
parking brake. Raise the vehicle drive tires
off the ground and remove the lug nuts from
the vehicles’ drive wheel/hub studs.
2. Remove the hex retaining nut (3/4-16) from
the center of the axle hub and discard.
3. Back out the hub removal tool bolt with a
1-1/8” socket before installing the hub re-
moval tool to the axle hub.
HUB REMOVAL
4. Insert the hub removal tool over the ange
wheel hub studs. Install lug nuts and secure
evenly. Torque to 100 lb-in. (11.3 Nm).
5. Tighten the 1-1/8” socket head center bolt
evenly and slowly. Note: This pressure will
separate the hub from the tapered axle.
6. Remove the lug nuts and separate the hub
removal tool from the anged hub and dis-
card the “old” anged hub and replace with
a new anged hub.
7. Apply machine parking brake to assist in
achieving proper retaining nut torque dur-
ing reassembly of the anged hub to the
tapered axle. .
8. Install wheel and rim and torque lug nuts.
Reference applicable vehicle service man-
ual for proper lug nut torque.
9. Lower the vehicle to the ground, remove
chocks. Note: Brake will still be in engaged
mode.
Figure 14, Hub Assembly
Hub Retaining Nut
Flanged Hub
Axle Shaft (94)
Lug Nut