TECO UPH Manual De Instrucciones página 30

tion the bead presser (B1, Fig. 8) diametrically opposite the mount/demount tool.
3) Use the lever (G, Fig. 8) to lower the arm and apply pressure against the tyre so
that the bead is moved into the centre well of the rim (see Fig. 46).
This will ensure that the bead is not excessively stretched and can easily move onto
the mount/demount tool.
4) Use the lever to move the bead over the lip of the mount/demount tool.
5) Raise the UPH arm and rotate it outwards to free the work top and then rotate the
turntable to remove the first bead.
Bring the operating arm of the tyre changer in non-working position.
From this moment, the operating arm will not be used for the disassembling opera-
tions anymore.
6) In case the second bead has seated again, use the rollers (E1, fig. 8) for bead
breaking .
Proceed in the following way:
a – bring the arm (A1, Fig. 8) in non-working position.
b – position both the rollers in contact with the lower edge of the rim (Fig. 47) and
clamp the rollers holder arm by tightening the relative grip.
Lift the rollers up, with the help of the control lever (G, Fig. 8), until the roller of
smaller section makes a release towards the internal side of the rim.
c – rotate the turntable clockwise simultaneously lifting the rollers up, with the help of
the control lever (G, Fig. 8), until the bead-breaking procedure is completed.
Moreover, the rollers (E1, Fig. 8) facilitates demounting of the second bead, in
particular in case of racing wheels with large track. Lift the second bead up (see
Fig. 48) and bring it approx. 2 cm beyond the upper edge of the rim (Fig. 48). Dur-
ing this operation, use the right hand in a position diametrically opposite
the rollers, to raise the tyre and keep pressed the second bead to the inside
of the centre well. This operation ensure that the roller of bigger section can get
out from the upper edge of the rim (the roller having the smaller section will be
locked under the rim edge , thus preventing the tyre from sheering upwards due to
the cylinder thrust).
Then, rotate the turntable clockwise, until the tyre is completely out of the rim.
N.B.: In case the two rollers go against the clamps that lock the wheel by mistake, a
safety device will avoid the damage.
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UPH operator's manual