26
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nglIsh
-
Operator’s manual
Bead breaking
- Fully deflate the tyre, removing the valve.
- Take the wheel to the bead breaking position.
Bring the shoe (Fig. 12) up to the bead and
press pedal H (Fig.13).
- Repeat this operation at various points around
the tyre until the bead is freed from the rim.
Repeat the same operation on the other side
of the tyre (Fig.14).
- Remove the weights.
- Use pedal G to open or close the four mo
-
bile clamps, depending on whether the rim
is to be clamped in the inside or outside
(Fig.15).
The first clamping system is recommended for
alloy or special wheels, to avoid scratching,
(Fig.16).
- Thoroughly lubricate the sides of the tyre
around the entire circumference of the lower
and upper bead to facilitate the demounting
and avoid damaging the beads (Fig.17).
- Position the wheel on the jaws, press the rim
down slightly and press pedal G to clamp the
rim (Fig.15).
TYrE DEmoUNTiNG
- Set the swing arm and vertical slide with
the lever M (Fig.18) so that the lower part
C touches the edge of the rim (Fig. 19).
- Close lever M to lock the vertical slide C.
Release lever M and the vertical slide will
automatically move away from the rim
(Fig.20).
To adjust the vertical slide position, use the
handwheel N (Fig.21).
- Insert and position the bead lifting tool I
between the mounting slide and the tyre
bead (Fig.22a).
When working with alloy wheels or wheels
with delicate paintwork, you are advised to
remove the bead lifting tool before procee
-
ding with the demounting.
WarNiNG
Grip the bead lifting tool firmly during use.
- Raise the upper bead to above the rear part
of the demounting vertical slide and force
part of the upper bead into the rim groove
by pushing down on the tyre on the opposite
side to the vertical slide (Fig. 22b).
- Start the demounting procedure by pres
-
sing lightly and repeatedly on pedal F (Fig.
23).
- Rotate the wheel through one complete turn,
pressing down with the hands on the side of
the tyre opposite to the vertical slide, so
that the bead is positioned in the central
rim groove (Fig.24).
- Move the horizontal swing arm to position
D to remove the inner tube from the tyre
(Fig.25).
- To take out the second bead, repeat the
above procedure (Fig.26).
TYrE moUNTiNG
WarNiNG
always check that the size of the tyre is
compatible with the size of the wheel before
proceeding with mounting.
- Before starting the mounting procedure,
lubricated the beads (Fig.27).
Lubricated beads are easier to handle and are
protected against possible damage.
Make sure that the tyre is in good condition
without any signs of damage.
- Position the tyre over the wheel and move
the swing arm to the work position.
Position the lower bead under the front part
of the vertical slide. Press the pedal to turn
the table top clockwise and mount the bead.
Make use of the rim groove by pressing on
the right-hand wall of the tyre to reduce
the torsional stress on the bead during the
rotation.
- After mounting the lower bead, repeat the
same procedure for the upper bead.
- Turn the swing arm to position D, free the
wheel and inflate the tyre.
Summary of Contents for PROMAXX 8150
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Page 86: ...86 A N F G H M C O E B Q L S R T U P V 7...
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