Users Manual Henkovac 04-serie V2019
11.4.2 Aluminum/Stainless Steel Seal Beam
Remove the sealing and cutting wires as follows:
1. Remove the old wires by pulling them loose from the seal beam contacts
2. Loosen the clamp screws and remove the seal beam from the U-profile
3. Remove the Teflon tape from the seal beam
4. Remove the mounting plates (C) on both ends of the seal beam by loosening the screws; this re-
leases the sealing wires (B) and/or sealing and cutting wires
5. Clean the seal beam thoroughly
Notes
After removal of the wires, check the strips of
fiber glass(A) for damage; replace if necessary
Check the condition of the tensioning springs
(D) at both ends of the seal beam; replace if
necessary.
Using the seal beam without the springs may
cause the sealing wires to break
Check contact plate (E) for damage; replace if
necessary
Install the sealing and cutting wires as follows:
1. If necessary, install new strips of fiber glass on
the seal beam
2. Insert the new wires (B) behind one of the
mounting plates (C) and tighten the screws (D);
make sure that the end of the wires line up
with the bottom edge of the mounting plate
3. Position the wires across the seal beam and
loosely install the second mounting plate
4. Carefully clamp the seal beam upside down in a
bench vice
5. Pull the wires as tightly as possible with a pair
of pliers (A) and secure the second mounting plate (D)
by tightening the screws
Note
1. The wires can be further tightened by slightly loosening the
screws of one of the mounting plates
2. Pull the wires one-by-one tighter with a pair of pliers;
3. Re-tighten the screws after the correct tension has been achieved
4. Cut the end of the wires flush with the bottom edge of the
mounting plate
5. Apply the Teflon tape smooth and tight over the seal beam without creases
Make sure that the beam is clean and free of grease
6. Re-install the seal beam in the vacuum chamber and re-connect the wires
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