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PROGRAMMABLE
Mechanical Breakdown: Rupture of a Knife Bar / Clamp Recuperating Spring
7.0 Malfunctions/Breakdowns
Example for protecting the machine in the case of
a rupture of a knife bar / clamp recuperating spring:
Message displayed:
Knife bar or clamp not in top dead centre!
Breakdown: Knife bar stops beneath the upper dead centre
Cause: Rupture of a knife bar recuperating spring
Remedy: Switch machine off immediately and call the service
technician! Do not access the machine! Guard the knife
zone against manual access by operator!
Type of malfunction:
When one of the two recuperating springs of the knife bar has broken the knife
bar is lifted by the second spring, but stops shortly beneath the top dead centre
(OT). No more cuts can be triggered. Malfunction display: Knife not in top dead
centre!
Attention!
The machine is in a dangerous condition, because the cutting edge of the knife
is no longer completely covered by the clamp.
Any access to the machine may cause severe injury at that time.
Breakdown: Clamp stops beneath the upper dead centre
Cause: Rupture of a clamp recuperating spring
Remedy: Switch machine off immediately and call the service
technician. Do not access the machine! Guard the clamp
zone against any manual access by operator!
Type of malfunction:
When one of the two recuperating springs of the clamp has broken the clamp is
lifted by the second spring, but stops shortly beneath the top dead centre.
Backgauge movement is locked. No more operations can be performed! When
the electronic hand wheel is actuated the following message is displayed: Clamp
not in top dead centre!
Attention!
Do not access machine.
Risk of injury!