PRONAR PT610, Operator'S Manual

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SECTION 5 Pronar PT610
5.7
DANGER
Before commencing work, the user must read the instructions for lifting jack and adhere
to the manufacturer's instructions.
The lifting jack must be stably supported on the ground and so must the axle.
Ensure that trailer shall not move during inspection of axle bearing slackness.
5.2.5 ADJUSTMENT OF AXLE BEARING SLACKNESS
Preparation procedures
Prepare tractor and trailer for adjustment procedures according to description
provided in section 5.2.4.
Adjustment of slackness of wheel axle bearing
Take off hub cover (1) – figure (5.3).
Take out cotter pin (3) securing castellated nut (2).
Tighten castellated nut in order to eliminate slackness.
Wheel should rotate with insignificant resistance.
Undo nut (not less than 1/3 rotation) to align the nearest thread groove with
the opening in wheel axle pin. Wheel should rotate without excessive
resistance.
Nut must not be excessively tightened. Do not apply excessive
pressure because working conditions of the bearings may deteriorate.
Secure castellated nut with cotter pin and mount the hub cap.
Delicately tap the hub cap with rubber or wooden mallet.