Mondolfo Ferro Startline S 421, Operator'S Manual

Page: 119 / 402

Startline S 424-S 421-S 521-S 524
Operator manual 119
UK
17
- Press the pedal (fig.16) to operate
the bead breaker and detach the bead from
the rim.
Repeat this operation on the other side of the
wheel.
It may be necessary to break the bead at several
points to free it completely.
Release the pedal to reverse the motion of the
bead breaking shoe.
After detaching the beads, remove the old
balancing weights.
- Thoroughly lubricate the sides of the tyre around the entire circumference of the lower and
upper bead to facilitate demounting and avoid damaging the beads (fig.17).
9.4. CLAMPING THE WHEEL
Keep your hands and other body parts away from moving parts of the machine while moving
the wheel locking wedges.
WARNING
If the wheel weighs more than 10 kg, with a lifting frequency of more than 20 wheels/
hour, it is recommended to use a lifting device (optional).
WARNING
Only for Startline S 521 - S 524:
- Pull the unlocking button (position Z, Fig.18A) to position the operating arms in the
“non-working” position (tool at the top and the horizontal arm completely retracted) (A Fig. 18B).
- Press button (position Y, Fig. 18A) to
lock the arms into the “non-working” position.
- Press pedal (C, Fig. 18C) to take the
column into the “non-working” position (B Fig.
18B).
18A