Maintenance
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Wear rings
Most of the machines articulations use wear rings.
Regularly check the condition of the articulations (lubrication and
lack of play).
Replace wear rings if significant play appears on a ringed
articulation.
Chassis
The wear rings must be changed when they stop protecting the
different parts of the machine.
If used wear rings are not replaced, damaged machine parts
will not be covered by the warranty.
If damaged rings are not replaced, their housing may also suffer
from wear.