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- Using the control valve
, lift the lower tyre bead E (Fig. 29c) till the upper
edge height of the rim.
- Operate on the control
to get the machine ready for the subsequent demount-
ing operation (performed with the wheel at a standstill and not in rotation - D).
EN
- Operate pedal
to rotate the wheel until the tyre is completely demounted
from the rim (E Fig. 29c).
9.5.e. Lower bead demounting without using the lever-less head (Quick
system)
- Acting on the pedal
, rotate the turntable till a clamp would be exactly in front
of the operator and the yellow flag (assembled on the turntable) in correspondence of
the TPH disk direction.
- Lower the TPH arm till its stroke end using control
- Acting on the control
, located on the TPH console, the bead lifter arm will
move forward allowing the tool touching the lower rim edge. The bead lifter arm will keep
a safety distance of 2/3 mm from the rim edge.
- Acting on the control
the bead lifter will push upwards the lower tyre bead.
- Operate control 26 and raise the bottom bead of the tyre (A Fig. 30) until it is level with
the top bead of the rim (B-C Fig. 30).
User's manual
105
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