Replace 90° Steering Gear; Inspect; Remove; Install - Taylor-Dunn B5-540-48XL Service And Replacement Parts Manual

B5-440-36 / B5-440-48 / B5-540-48XL / BF-030-48
REPLACE 90° STEERING GEAR
WARNING
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.
There are no internal components available for the 90° steering gear. If worn out it must be replaced.

Inspect

1: Clamp the lower steering shaft so that it cannot rotate.
2: Turn upper steering shaft and measure degrees of free play.
3: If more than 2° free play then gear box should be replaced.

Remove

1: Remove the pinch bolt from the gear input shaft coupler and discard the bolt and nut.
2: Raise the front of the vehicle and support with jack stands
3: Remove the pinch bolt from the gear output shaft coupler and discard the bolt and nut.
4: Remove the 3 gear mounting bolts.
5: Using a soft face hammer, tap the upper coupler off of the input shaft and drop the gear down out of the
frame.
6: Using a soft face hammer, tap the lower coupler off of the output shaft.
Note: If couplers too tight, drive a small wedge into the coupler slot to spread it slightly apart.

Install

1: Thoroughly clean all components.
2: Position the front wheels in the straight ahead position.
3: Position the steering wheel in the straight ahead position and tie in place so that it cannot rotate.
4: Insert the gear output shaft into the lower steering shaft coupler.
5: Put the gear up into the frame inserting the output shaft into the steering shaft.
6: Install the gear mounting bolts.
7: Install new coupler pinch bolts and tighten to torque listed in the Hardware Torque table at the end of this
section.
8: Install new pinch bolt jam nuts.
9: Untie the steering wheel.
10: Test drive the vehicle.
MB-440-06
Steering
Page 59