7700-M002-3
GB
ASSEMBLING AND USE
INSTRUCTIONS
Page 11 of 22
PLUS91S - PLUS91N
PLUS91SE - PLUS91SA - G800A69
DO NOT USE THE BEAD LIFTING DEVICE FOR
BEAD BREAKING TYRES.
8.0
USE OF THE DEVICE
8.1
Work environment condition
The characteristics of the work environment of the fit-
ting must be kept within the limits prescribed for the
tyre demounting machine the fitting is installed on (see
the manual concerning the tyre demounting machine).
8.2
Precaution measures during the as-
sembly and the disassembly of tyres
A - Before carrying out the assembly of the tyres follow
these safety rules:
ALWAYS UTILIZE RIMS AND TYRES
THAT ARE DRY AND IN GOOD STATE;
IN PARTICOLAR, IF REQUIRED
CLEAN THE RIMS AFTER HAVING
REMOVED ALL THE OLD BALANCE
WEIGHTS (INCLUDED THE ADHE-
SIVE WEIGHTS ON THE INNER SIDE)
AND CHECK THAT NEITHER THE
BEAD AND THE TREAD OF THE TYRE
ARE DAMAGED.
LUBRICATE PLENTIFULLY THE CON-
TACT SURFACE OF THE RIM AND
THE TYRE BEADS USING A LUBRI-
CANT SPECIAL FOR TYRES (NOT
CONTAINING WATER, HYDROCAR-
BONS AND SILICONE).
REPLACE THE VALVE OF THE RIM
WITH A NEW ONE, OR, IN CASE OF
METAL VALVES, REPLACE THE
GROMMET.
ALWAYS CHECK THAT TYRE AND
RIM HAVE THE CORRECT DIMEN-
SIONS FOR THEIR COUPLING; IF
NOT, DO NOT ASSEMBLE THEM.
B - Before carrying out the disassembling of the tyres
follow these safety rules:
DEFLATE THE TYRE COMPLETELY.
Fig. 16
8.3
Control unit
It consists of a handle control (
Fig. 16 pos. 1
) placed on
the device. Using this handle control it’s possible to con-
trol the vertical shifting of the pressing roll (
Fig. 1-2-3-4
pos. 4
) and the rotary bead depressing unit (
Fig. 1-2-3-
4 pos. 1
). Lift the lever
(
Fig. 16 pos. 2
) to control the
shifting upwards; lower the lever
(
Fig. 16 pos. 2
) to con-
trol the shifting downwards. The arms positioning of
the device in correspondence of the tyre is completely
manual-operated.
8.4
Using the lift
Make sure the locking hook (
Fig. 17 pos. 1
) is posi-
tioned according to
Fig. 17
indications and lock Plus
device to rest position.
Fig. 17
