Page Issue A
Chapter - Servicing Procedures 5:5
CN101 - Maintenance
3. Adjust steering lock stops
a) Steer the vehicle to the full right hand lock and adjust the appropriate front axle steering
locks until they contact the axle beam and secure the lock nuts (Front adjuster on the left
hand side and rear adjuster on the right hand side).
b) Now steer the vehicle to the left whilst measuring between the ball joint centre and the
cylinder end face until a measurement of 97mm is achieved (Fig 2.).
c) At this point adjust the appropriate front axle steering locks until they contact the axle beam
and secure the lock nuts (Rear adjuster on the left hand side and front adjuster on the right
hand side).
d) Centralise the steering and ret the road wheels torqueing the bolts to 100Nm.
e) Return the vehicle to the ground and road test to ensure full operation of steering.
Periodic inspection – All Models (2WS and 4WS)
As prescribed, periodic inspection of the steering cylinder ball joint should be undertaken to ensure
that security of its xing is maintained.
1. Check security of ball joint
a) With the vehicle on level ground with the handbrake applied rotate the steering to give full
right hand lock.
b) 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 and
checking for any movement between the ball joint and hub assembly.
c) 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.
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