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Maintenance
6.3 ADJUST THE PLAY OF THE AXLE BEARINGS
IMPORTANT
Adjustment of bearing slackness may only be con-
ducted when the trailer is hitched to tractor and the
load box is empty.
PROCEDURE
• Prepare tractor and trailer for ad-
justment procedures according to de-
scription in section 5.3.
• Take off hub cover (1).
• take out split cotter pin (2) securing
castellated nut (3)
• Tighten castellated nut in order to
eliminate slackness.
Wheel should rotate with insig-
nificant resistance.
• Undo nut (3) (not less than ⅓ of
a turn) to align the nearest thread
groove with the opening in wheel axle
pin (cotter pin opening is indicated
by black arrow in the figure). Wheel
should
rotate
resistance.
The nut must not be excessively
tightened. Otherwise, operating
conditions of the bearings will
deteriorate.
• Secure castellated nut with cotter pin
without
excessive
Figure 6.3
Bearing
principle
(1) hub cover, (2) cotter pin, (3) nut,
(4) taper bearing
and mount hub cover (1).
• Delicately tap the hub cap with rubber
or wooden mallet.
PRONAR T700M/1
Section 6
2
1
3
4
4
526-I.16-1
slackness
adjustment
J.3.2.589.03.1.EN
6.5
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