723D SYSTEMS, INC. PN:80-D27 Rev.B
2. Disconnect lter from machine in this order:
Caution : do not leave the lter vessel unattended after removing the valves and the centering ring
with tube. A mechanism inside the vessel will already prevent oxygen getting inside. Nevertheless
immediately replace the valves with the closing set (standard centering ring, cover lid and clamp).
• Remove the lter outlet port connection:
- Disconnect and remove the clamp from lter vessel.
- Remove immediately the special centering ring with stand-off tube by holding it by its
center. The ring may stick slightly to the lter housing. Pry it loose with a platic tool (such
as a scraper).
Caution : the lter outlet port must be capped immediately after the outlet pneumatic valve is removed.
There may be a pressure difference when taking off the valve. Do not be disturbed if you hear gas
escaped, this is normal.
• Immediately close the lter outlet port with the closing set:
- step a: install 1x standard centering ring,
- step b: install 1x cover lid,
- step c: install 1x clamp (tightening torque 4Nm +0/+0.5).
Caution : make sure to secure the closing set by tightening the clamping according to the specied
torque.
• Place a zip tie around the ends of the clamp and tighten.
• Repeat the step 2 for the lter inlet port connection. When complete, proceed to step3. The lter is completely sealed
off and safe to be handled and transported. Move lter cart to unloading area.
Filter outlet port view
Step a : centering ring
positioning
Step b : cover lid
positioning
Step c : clamp
tightening
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