Taylor-Dunn R0-380-36, Service And Replacement Parts Manual

Page: 34 / 144

Front Axle
Page 34
R-380 DC System
MR-380-03
REPLACE FRONT WHEEL
BEARINGS
1: Set the park brake.
2: Disconnect the batteries.
3: Raise the front of the vehicle and support with
jack stands.
4: Remove the tire/wheel assembly from the hub.
Refer to the Tire/Wheel section for information
regarding removing the tire/wheel assembly.
5: Remove the hub dust cap, cotter pin, and spindle
nut.
6: Remove the hub from the steering knuckle.
Note: For a front disc brake option you must
remove the brake body before removing
the hub. Refer to the Brakes section for
information regarding the removal of the
brake body.
7: Thoroughly clean all grease from the inside of the
hub and the bearings.
8: Inspect and replace the races and bearings as a
set.
Note: It is recommended to replace all four
bearings and races in the left and right
wheels as a set.
9: Assemble in reverse order, using new grease
seals.
a. Pack inner and outer bearings with grease.
b. Adjust the bearing preload per specifications in
the Adjust Front Wheel Bearing procedure.
d. Install a new cotter pin.
10: Install the hub dust cap.
11: Reinstall the brake body. Refer to the Brakes
section for information regarding the installation
of the brake body.
12: Reinstall the tire/wheel. Refer to the Tire/Wheel
section for information regarding installing the
tire/wheel assembly
13: Lower the vehicle.
14: Reconnect the batteries.
15: Remove the blocks from behind the wheels.
16: Release the park brake and test drive.
This section is one section of a complete service
manual. Before starting any procedure, read all
warnings and instructions that are located in the
Service Guidelines chapter.
WARNING
REPLACE STEERING KNUCKLE
1: Raise the front of the vehicle and support with
jack stands.
2: Remove the tire/wheel assembly. Refer to Tires
and Wheels section for information regarding
removing the tire/wheel assembly.
3: Remove the hub bearing cap, cotter pin and nut,
then remove the hub from the steering knuckle.
Note: For a front disc brake option you must
remove the brake body before removing
the hub. Refer to the Brakes section for
information regarding the removal of the
brake body. Do not remove the hydraulic
brake line from the brake body. If the brake
line is removed then it will be necessary to
bleed the brakes.
4: Remove the drag link and/or tie rod from the
steering knuckle. Refer to Replace the Ball Joints,
Tie Rods, Drag Link in this section for information
regarding removal of the drag link or tie rod.
5: While supporting the knuckle, remove the king
pin and thrust bearing.
6: Remove the knuckle from the axle.
7: Thoroughly clean and/or replace all bearings,
nuts, washers, and bushings.
Note: Both the left and right side bushings and
thrust bearings should be replaced as a set.
8: Assemble in reverse order.
a. Pack the thrust bearing with grease.
b. Tighten the king pin nut until there is 0.156 to
0.172 inch clearance between the knuckle and
thrust bearing.
c. Refer to Replace Front Wheel Bearings for
information regarding proper tightening of the
spindle nut
d. Install new cotter pins.
9: Realign the wheels. Refer to the Steering section
for information regarding realignment of the front
wheels.
10: Lower the vehicle.
11: Reconnect the batteries.
12: Remove the blocks from behind the wheels.
13: Release the park brake and test drive.
This section is one section of a complete service
manual. Before starting any procedure, read all
warnings and instructions that are located in the
Service Guidelines chapter.
WARNING