CEMB SM628 Manual De Uso página 18

3) Activate valve
wheel with the special pedal.
When working on rims with reverse drop centre, use the cone extension to reach the
rim hole.
Note
This facilitates the insertion of the sliding clamp between the tyre and the rim Fig.10.
6.2.2 Demounting function
1) Position the mount/demount tool.
The positioning and the removal of the operating arm of the tyre changer from
the edge of the rim can be carried out only after having brought Accessory arms
outwards in non-working position.
If the tyre has very stiff walls that prevent correct positioning of the mount/demount tool
on the rim edge, follow these steps:
a) move the arm (10, Fig. 8) to its working
position.
b) move the bead pressing tool (05, Fig.
8) to the tyre and close to the mount/
demount tool. Use the lever
to press down on the tyre to create
enough space to position the mount/
demount tool correctly and to insert the
bead lifter tool (Fig. 11).
c) Clamp the mount/demount tool, insert
the bead lifter tool and raise the arm.
Bringing the bead-pressing tool against the tyre creates a danger: the operator's
hands could be crushed between the tool and the rim. Be careful and keep your
hands far from the rim.
2) Use the lever
the bead presser (05, Fig. 8) diametrically opposite the mount/demount tool.
3) Use the lever
the bead is moved into the centre well of the rim (see Fig. 12). This will ensure that the
18
so as to press the wheel on the turntable, then clamp the
WARNING
WARNING
to raise the arm (10, Fig. 8) and move it outwards to position
to lower the arm and apply pressure against the tyre so that
11
User's manual