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Fault Diagnostics / Maintenance
Clamp & table seals
These are regarded as a consumable part and should be replaced when signs of wear become apparent. See
section dealing with Vacuum.
Formech supply a kit comprising the necessary seals and sealant for the Formech 686PT. We recommend
that only the correct silicone seals and sealant are used to give an effective seal.
ENSURE PRECAUTIONS ARE TAKEN TO MINIMISE EFFECTS OF REACHING AND STRETCHING AND
THAT WHERE A PLATFORM OF ANY TYPE IS USED, THAT IT IS STABLE AND SECURE.
ENSURE THAT SUITABLE GLOVES ARE USED IF USING SHARP TOOLS TO REMOVE EXISTING
SEALS AND ADHESIVES.
Table cylinder maintenance
THE PNEUMATIC TABLE LIFT ASSEMBLY IS A POTENTIALLY HAZARDOUS AREA OF THE MACHINE
TO PERFORM REPAIRS, MAINTENANCE AND ADJUSTMENTS. THE FOLLOWING GUIDELINES
MUST BE FOLLOWED WHEN PERFORMING MAINTENANCE ON THIS AREA. IT IS RECOMMENDED
THAT MAINTENANCE OF THIS ARE IS CONDUCTED BY QUALIFIED AND COMPETENT PERSONS.
Lift the table using the 2 handed control system to a point just below the top frame. Remove all air supply
from the machine and switch off the power. Remove both side panels and fit supports on both sides between
the machine base and the underside of the table and fix in place. The prop must be of suitable strength to
take the weight of the table. Remove both of the 10mm air pipes that feed the cylinder from the table valve.
The table will rest on the fitted props. Check that the table and props are secure.
Full access is now available to the table cylinder.
For general maintenance and cylinder removal:
• Loosen the top nut of the cylinder & allow the cylinder rod to drop.
• To remove the cylinder, remove the valve pipes, solenoid connectors and the screws retaining the cylinder
base mount.
• Remove the whole assembly and remove the 4 cylinder retaining screws.
• Disassemble the cylinder and renew the seals as required.
• Reassemble the cylinder and the replace all parts.
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