John Bean T 7700 Manual Del Operador página 48

1
6
48
5
1
4.1-12
4.1-6
2 3
4.1-4
4.1-7
5
4.1-8
Specifi cations
The controls (1, Fig.4.1-12) vary the working angle
of the bead breaking discs, in order to facilitate the
penetration in the bead seat.
- Control pressed; the upper/lower discs tilt forward.
- Control released; the upper/lower discs go back to
rest position.
To lock the movement of both bead breaker arms, act
on the manual control (5, Fig.4.1-12).
- Control right; bead breaker arms free.
- Control left; bead breaker arms locked.
Bead seating device
Figure 4.1-6/7/8
WHEN OPERATING THE BEAD SEATING DEVICE
IT IS COMPULSORY TO WEAR EAR PROTECTORS
AND SAFETY GOGGLES TO PREVENT ANY
C O N TA M I N AT I O N B Y D U S T A N D O T H E R
IMPURITIES BLOWN BY THE AIR JET.
• Press the pedal (3, Fig.4.1-4) with the RIGHT
FOOT; the air comes out of the end of the tyre
beading hose (Fig.4.1-7).
DANGER OF TYRE EXPLOSION
For models equipped with Tubeless tyre System:
• Press the pedal (3, Fig.4.1-4) partially with the
RIGHT foot; the air comes out from the end of the
hose previously connected to the tyre valve.
To perform the "blast":
HOLD THE BEADING NOZZLE FIRMLY.
• Operate the pedal control (3, Fig.4.1-4) fully and at
the same time use the button (5, Fig.4.1-8) on the
Beading Nozzle (6, Fig.4.1-8).
Note: Air simultaneously continues to come out
from the hose connected to the valve.
WARNING:
ONCE BEADING IS COMPLETE, IMMEDIATELY
STOP INTRODUCING AIR.
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