PRONAR RC2100-2, Operator'S Manual, Page: 85 / 121

SECTION 5 Pronar RC2100-2
5.7
Check condition of hub cover, if necessary replace it with a new cover. Inspection of bearing
play may only be conducted when the trailer is hitched to tractor and the load platform is
empty.
Checking wheel axle bearings for slackness:
•
after travelling the first 1,000 km,
•
after intensive use of trailer,
•
every six months use or every 25,000 km.
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 5.2.3.
Adjustment of axle bearing slackness
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.
Hub should rotate with slight resistance.
Unscrew nut in (A) direction (not less than1/3 rotation) to align the nearest nut
groove with the opening in wheel axle pin (B). Hub should rotate without
excessive resistance
The nut must not be excessively tightened. Do not apply excessive
pressure because working conditions of the bearings may deteriorate.