Page Issue A
Chapter - Servicing Procedures5:4
CN101 - Maintenance
f) With the steering in this position, check the front axle steering locks are in contact with
the axle beam (Rear adjuster on the left hand side and front adjuster on the right hand
side). If clearance exists the steering locks should be adjusted until they contact the axle
beam ensuring the lock nuts are secured.
g) Start the vehicle engine, ensure the vehicle remains stable and fully supported on the axle
stands, disengage 4WS and centralise the rear steering and turn off the engine.
h) Ret the road wheels torqueing the bolts to 100Nm.
i) Return the vehicle to the ground and road test to ensure full operation of steering.
Adjustment procedure for 2WS models only
The front axle lock stops are adjusted to allow a specied turning circle to be achieved; the
following procedure should be followed to ensure correct adjustment.
1. Check security of ball joint
a) With the vehicle on a level surface, raise the front of the vehicle and support securely on
axle stands.
b) Remove both front wheels.
c) Slacken the lock nuts and adjust the steering lock stops to a minimum setting (the head of
the lock stop setscrew should contact the king pin/hub assembly in the minimum setting).
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.
2. Adjust cylinder ball joint
a) Release the steering cylinder ball joint lock nut.
b) Adjust the ball joint/cylinder length by rotating the cylinder rod until the dimension between
the ball joint centre and cylinder rod end is 40mm (gure one).
c) Re-secure the steering cylinder ball joint lock nut and mark with paint pen to indicate the
unit has been adjusted.
To Next Page
Loading...
