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TRANSLATION OF THE ORIGINAL INSTRUCTIONS (Keep for future reference)
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U400 INSTRUCTIONS
01
02/10/2015
02/10/2015
EN
6. TROUBLESHOOTING AND RELEASE OF MOVING PARTS
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The following section describes operations for troubleshooting and releasing moving parts that can be performed by maintenance
technicians.
Before performing any work or investigations:
1. Install a sign indicating that maintenance is in progress on the machine
2. Make sure that the upline and downline connected machines do not constitute a source of danger or an impediment to the maintenance
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3. Before restarting the machine, make sure there are no personnel still performing cleaning and /or maintenance operations on it.
4. For mechanical repair work, always seek the assistance of the manufacturer.
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of the stoppage.
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All information devices (visual, audible) aimed at avoiding potential ergonomic hazards, with the relative explanations and the type of
information the operator/s will receive are described in chapters 3 and 4.
Depending on the type of information, action must be taken to eliminate the cause that led to/generated the visual or audible alarm signal.
The PROBLEMS OR FAULTS which could lead to a MACHINE STOPPAGE are:
PROBLEM /
FAULT
When the pedal is
fully pressed and
then the button
is pressed, the
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properly.
}+'*+
more than once,
operation starts
out correctly but
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} j
Insufficient operating
pressure
V-nails badly positioned in
the loader.
V-nail guide channel
(L-block support) blocked
or worn.
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V-nails pusher
Faulty V-nails
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V-nail magazine open
Faulty valves
Valves clogged by excess
oil or condensate.
Faulty valves
METHODS AND ANCILLARY NOTES
-
Check that the minimum pressure value for the system is over 6 Bar.
-
Check that the operating pressure value is between 4 / 7 Bar.
- Check that the pressure value indicated on the gauge is over 2 bar, value
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-
Check that the sharpened part (edge with glue) is pointing up.
- Check the direction of the V-nails
- Check that the top of the “V” of the nails is pointing towards the back of the
machine or in the direction of the fences.
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replace if necessary.
Check that the V-nail guide channel (L-block support) is not dirty or clogged.
Clean if necessary.
Check that the pressure of the reduction valve which supplies the V-nail pusher
cylinder is at least 2 Bar. If necessary increase by 10%.
- Replace the V-nails
Check that the air pressure from the compressor is at least 6 Bar.
Close the magazine by acting on the relative lever valve (ON position)
-
Replace the pedal valve.
- Replace the control valves.
Remove any excess oil or condensate from the valves by disconnecting the
command lines one at a time and bleeding them of air.
Replace the valves if necessary.
-
Replace the pedal valve.
- Replace the control valves.
Cont...
Cont...
