Adjustment Of Slackness Of Wheel Axle Bearings - PRONAR T286 Operator's Manual

SECTION 5
5.2.5

ADJUSTMENT OF SLACKNESS OF WHEEL AXLE BEARINGS

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 split cotter pin (3) securing castellated nut (2).
Tighten castellated nut in order to eliminate slackness.
Unscrew nut (not less than1/3 rotation) to cover the nearest thread groove
with alignment to opening in wheel stub axle. Wheel should rotate with
insignificant resistance.
FIGURE 5.3 Adjustment of axle bearings
(1) hub cover, (2) castellated nut, (3) cotter pin
Wheel should rotate with insignificant resistance.
Nut may not be excessively tightened. Do not apply excessive
pressure because working conditions of the bearings may deteriorate.
5.7
Pronar T286