Taylor-Dunn AMB Ambulance, Operation, T Roubleshooting And Replacement Parts Manual

Page: 53 / 266

Maintenance, Service, and Repair
Steering Page 7
1. Make sure the key-switch is in the “OFF” position, then remove
the key.
2. Place the forward-reverse switch in the center “OFF” position.
3. Set the park brake.
4. Place blocks under the rear wheels to prevent vehicle movement.
5. Disconnect the main positive and negative cables at the batteries.
Always use a lifting strap, hoist, and jack stands, of adequate capacity
to lift and support the vehicle. Failure to use lifting and support devices
of rated load capacity may result in serious bodily injury.
ADJUST THE STEERING GEAR
NOTE: In some vehicle configurations it may be necessary to remove the
steering gear to perform this procedure. Refer to
Replace the
Steering Gear
for information regarding removing the steering
gear.
6. Raise the front of the vehicle and support with jack stands.
7. Disconnect the drag link from the pitman arm.
NOTE: Refer to Replace the Ball Joints
section for information regarding
removing the ball joint from the drag
link.
8. Loosen the gear lash jam nut and the worm bearing
adjuster jam nut.
9. Unscrew the gear lash adjuster all of the way to the
stop.
10. Loosen the worm bearing adjuster and then tighten
just enough to remove all end play from the input
shaft and then an additional 1/8 turn more.
11. While holding the worm bearing adjuster so that it cannot turn, tighten the worm bearing adjuster
jam nut.
12. Find the center position of the steering shaft:
A. Turn the steering shaft all of the way in one direction.
B. While counting the rotations, turn the steering shaft all of the way in the opposite direction.
C. Turn the steering shaft 1/2 the number of turns in the original direction.