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monty 3300 / 3300AIR
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5.1.4
5.1.5
5.1.6
5.1.7
5.1.1 Removing the tires
BEFORE PROCEEDING WITH THE TYRE
EXTRACTION, CHECK THAT BOTH BEADS ARE
COMPLETELY BROKEN.
5.1.1.1 Head Positioning
Procedure:
• Lift the mount/demount head completely out of thework
zone, with the control (1, Figure 5.1-4).
DURING THE CLOSURE OF THE HEAD, MAKE SURE
THAT ITS POSITION DOES NOT KNOCK INTO THE
WHEEL.
• Activate the pedal control (2, Figure 5.1-4) to bring
the Arm into the working position on the wheel.
• Bring the tool into contact with the edge of the rim
and lock it in place.
The tool automatically moves away from the rim in a
vertical and radial sense by about 2 mm; this is
necessary to prevent damage to the rim.
Note:
once the mount/demount head is positioned
properly, with the control (1, Figure 5.1-4),
matching wheels may be changed without
having to reset the head.
the operative arm, lower the tyre shoulder
with the bead breaker disc, in order to make
room for the moving head.
Note:
The plastic inserts inside the mounting/
demounting head must be replaced regularly.
Each machine is supplied with various spare
inserts (in the accessories box).
• Insert the bead lifting tool under the bead and over
the support of the mount/demount tool. Lift the bead
onto the mounting finger. To facilitate this operation,
press with left hand on the bead in position
diametrically opposite to that of the tool. If desired,
the bead lifting tool can be removed after lifting the
bead onto the finger (Fig. 5.1-5).
• Rotate the turntable clockwise and at the same time
push down on the tire sidewall to move the bead
into the drop-center of the rim (Fig.5.1-6).
• Repeat the process for removing the lower bead. With
left hand, lift the bead in position diametrically opposite
the tool to keep it in the drop center (Fig. 5.1-7). Move
the swing arm aside and remove the tire.
Operator's Manual
USA - CANADA
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