TRUCK SERVICE MANUAL
Bearing, Jacket Tube Lower Assy.
Contact Cup, Horn Button
Plate, Horn Button Contact
Spring, Jacket Tube Bearing
Spring, Horn Button
Nut, Steering Wheel Mtg.
Cover, Universal Joint
Wheel, Steering Assy.
Bracket, Steering Column Mtg.
Contact Ring, Horn Button
Brace, Steering Column
Contact Roller w/Cable
*Yoke, Upper End
Flange Steering Column w/Bearing
Fitting Lubrication 1/4 Straight
Seal, Slip Yoke
Shaft, Steering Slip
Washer, Slip Yoke Seal
Bearing, Jacket Tube Upper Assy.
Yoke, Lower End
Bracket Cap, Steering Column
Yoke, Steering Gear End.
* Parts 16 and 26 welded together on late model chassis.
it 28.575 mm (1 1/8") in either direction. The horn button
The steering column assembly provides the
will be released from the rubber retainers on the horn
vehicle operator control of the steering gear from inside
button base plate. The contact cup and spring should
vehicle cab. This manual covers the 21 mm (7/81")
also be removed at this time (Fig. 2).
diameter shaft, double jointed column used in the
Transtar 4200, 4300, and 5000 Paystar series.
The turn signal and in most cases the trailer
brake control is mounted to the steering column jacket
tube. The only internal accessory not having to do
directly with control of the steering gear is the horn
A steering wheel is connected to the upper
steering shaft, which is held by two sets of ball bearings
in the steering column jacket tube. The steering shaft is
connected to the slip shaft by a universal joint. The
lower end of the slip shaft is connected to the steering
gear by a second universal joint. The universal joints
and slip shaft permit correct alignment and smooth
rotation of the steering shaft to steering gear with no
2 Plastic Horn Button Removal
binding of the shafts.
STEERING WHEEL REMOVAL
Remove the horn button base plate by removing
three top screws and one "ground" screw.
The steering wheel can be removed as follows:
Remove the plastic horn button by turning