INSTRUCTION, USE AND
MAINTENANCE MANUAL
GB
Page 30 of 66
Fig.
_
37
• Place the tool holder arm in “working” position
(
Fig.
_
14 ref.
_
1
) on the outer side of the tyre.
• Place the hook tool in work position and bring the
tool holder arm forward until the axis of the refer-
ence notch matches that of the outer edge of the rim
at a distance of 5 mm.
• Turn the mandrel clockwise until lever (
Fig.
_
38
ref.
_
1
) is introduced in the housing obtained on the
hook tool.
• Turn the mandrel with lever (
Fig.
_
38 ref.
_
1
) hooked
until complete insertion of the tyre outer rim.
• Remove lever (
Fig.
_
38 ref.
_
1
), grippers (
Fig.
_
38
ref.
_
2
) and extract the hook tool by turning the man-
drel counterclockwise and translating it outwards.
Fig.
_
38
• Tilt up tool holder arm placing it in “off-work” posi-
tion (
Fig.
_
15 ref.
_
1
) after it has been unlocked.
• Position mobile platform (
Fig.
_
1-2 ref.
_
15
) directly
under the wheel and lower the mandrel until the
wheel is resting on the platform.
• Move to work position
B
(
Fig.
_
6
).
• Check the state of the tyre valve and centre it, if neces-
sary, in the rim hole by slightly turning the mandrel;
fix the valve with the supplied ring nut after having
removed the protective extension.
• Close the mandrel jaws completely, making sure the
wheel is held up to avoid dropping.
MAKE SURE THAT THE WHEEL’S
HOLD IS SECURE TO AVOID IT
FALLING DURING REMOVAL. FOR
HEAVY AND/OR VERY LARGE
WHEELS USE AN ADEQUATE LIFT-
ING DEVICE.
• Translate the movable footboard to release the wheel
from the same mandrel.
12.8 Wheels with bead wire
As an example,
Fig.
_
39
and
40
illustrate sections and
compositions of types of wheels with bead wire cur-
rently being sold.
Fig.
_
39
O-sealing
ring
O-sealing
ring
Non split
side ring
Non split
side ring
Tapered
bead seat
ring
Three-piece flat base rim and
pertinent rings for tubed tyres
and SOLID tyres
Four-piece 5” tapered bead seat rim
and pertinent rings for tubed and
SOLID tyres
Fig.
_
40
O-sealing
ring
O-sealing
ring
Non split
ring
Non split
ring
Rubber seal-
ing ring
O-sealing
ring
7505-M001-3_B
NAV11N - NAV11NT
NAV11EI - NAV11TEI