Johnston CN101 - Adjustment of Steering Components (TB 1519)

Page Issue A
Chapter - Servicing Procedures5:2
CN101 - Maintenance
Adjustment of Steering Components (TB 1519)
Prior to a planned retrot campaign an adjustment procedure for the front axle steering
components as well as on-going periodic inspections are being introduced.
Please refer to the following sections dened by the steering conguration of the vehicle of either
two wheel steer (2WS) or four wheel steer (4WS).
Once adjustment is affected, the periodic inspections must be carried out on a weekly basis
– Until the retrot applied.
Details for Identication
Adjustment procedure for 4WS models
The front steering locks are adjusted in comparison to the factory adjusted rear stops and the
following procedures should be followed to ensure correct adjustment.
1. Check security of ball joint.
b) With the vehicle on a level surface, raise the front of the vehicle and support securely on
axle stands.
c) Remove both front wheels.
d) Remove the split pin from the steering cylinder ball joint nut (on the front of the right hub
assembly) and check the security of the ball joint by tightening the nut to 40Nm also check
for any movement between the ball joint and hub assembly.
e) Renew split pin and secure.
Note: Should any play exist between the ball joint and hub assembly following tightening of the
nut, further action will be required – Please contact the appropriate Johnston Sweepers
Ltd. service provider.
Steering Stop
Locks
King Pin / Hub
Assembly
Steering Cylinder
Steering Cylinder Ball
Joint
Steering Cylinder Ball
Joint & Split Pin
(Torque to 40 Nm)
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