Maintenance - John Bean T 7700 Manuel D'utilisation

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4
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4
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94
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6.0-1
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5
6.0-2
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6.0-3
Operations

6.0 Maintenance

This tire demount unit will continue to provide maximum
working effi ciency even after a long period of intensive
use as long as the operator carries out scheduled
maintenance as indicated below.
BEFORE ATTEMPING ANY MAINTENANCE OR
REPAIRS THE MACHINE MUST BE DISCONNECTED
FROM THE ELECTRICAL POWER SUPPLY AND THE
COMPRESSED AIR FEED LINE.
Every 6 months,
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carry out:
• Check for any excessive increase in play
• If there is evident play consult the technical
assistance service
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on the parts:
Figure 6.0-1
4) Horizontal slide arm of tool
6) Bead-breaker slide supports
Every 4 months,
carry out:
• Removal of accumulated dirt with non-fl ammable
liquid detergent.
• Restoration, using a brush, of a suitable quantity of
oil for mechanical lubrication.
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on the parts:
Figure 6.0-1
1) Mobile parts of the Automatic Head.
2) Vertical slide arm of tool.
3) Slip-off rod of bead pusher tool.
4) Horizontal slide arm of tool.
5) Vertical slide rod of bead breaker.
6) Bead breaker support slide guides.
7) Horizontal slide rod of bead breaker.
Every week,
carry out:
• Wash with cold water and soap or non-aggressive
chemical detergents.
• Dust with talc.
on the parts:
Figure 6.0-2
1) Plastic cones for wheel clamping
2) Plastic guards of mount/demount tool
3) Bead breaker disc
4) Plastic guards of Wheel turntable.
carry out:
• Clean with a dry cloth
• Restore a thin fi lm of protective oil
on the parts:
Figure 6.0-3
1) Wheel clamping hub nut
2) Pneumatic cylinder rods
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