BEISSBARTH MT 870 / MT 880
4-4
7. Centring and securing the wheel with centring cones and the tog-
gle nut from the front of the wheel, and a spacing disc from the rear of
the wheel for light commercial vehicles:
Since the dish depth of the light commercial vehicle’s wheel may be
greater, a spacing disc is inserted between the flange contact face and
the back of the wheel. Centring and attachment are as described in Item
6 (see Fig. 7).
8. Centring with self-adapting spreader centring sleeves from the
back of the wheel, and securing with clamping cover or pressure ring
and toggle nut from the front of the wheel:
The optimum method of centring for all wheels with a machined midd-
le centring hole. Push the coil spring over the flange shaft. Assemble the
basic sleeve with the correct type of spreader sleeve (depends on the
vehicle) and push over the flange shaft; note that the shoulder on the
spreader sleeve must be at the front. Carefuly push the centre hole of
the wheel over the spreader sleeve and at the same time press the
clamping cover or the pressure ring over the flange shaft and against
the wheel.Tighten the toggle nut by hand against the wheel. Never use
any tool such as a hammer.
When clamped, the spreader sleeves eliminate any play. Tolerances be-
tween the clamping shaft and the centre hole on the wheel, which is
machined cylindrically, are therefore reduced to zero (see Fig. 8).
Fig. 7
Fig. 8
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