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46
AXLE 5823
Figure 9
Lift nut (1) countersink (⇒).
Figure 10
Use a box wrench (2) to remove nut (5) securing wheel hub
(3) to stub axle (1) pin.
Take wheel hub (3) and washer (4) out of stub axle (1) pin.
NOTE
Nut (6) is equipped with a fixed washer (5).
NOTE
If any trouble is found with the wheel hub or
bearing, the assembly needs to be replaced since
the parts are not supplied as single spares.
When repairing the wheel hub, take care not to
damage the phonic wheel.
Base - March 2006
526712
Replacing phonic wheel
Figure 11
108367
The possible extraction of the phonic wheel (2) can be taken
off wheel hub (1) by using generic tools. Pull-in load: 500 ÷
900 kg.
When the assembly is ended, make sure that the "phonic"
wheel perfectly rests on the hub housing and that is
positioned at the dimension shown in figure.
Check that the orthogonality and oscillation of the phonic (2)
wheel is no greater than 0.1 mm.
Refitting
Figure 12
109058
Lubricate the surface of the stub axle pin (2) with TUTELA
MR3 grease and key the wheel hub (1).
NOTE
The wheel hub must be keyed without forcing.. If
there are difficulties, do not assemble since the
bearing may be damaged.
Extract the wheel hub, check the cause of the
difficulties and eliminate them.
See Figure 10.
Fit washer (4) into place, then screw down nut (6).
NOTE
Nut (6) is equipped with a fixed washer (5).
D
E
4
AILY
URO
109059
109052
Print 603.93.651
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