Apeks Supercritical The Duplex™ Operation Manual
27
Revision Date 8/28/2018
3.5. After the Cycle
3.5.1. System Response on Shutdown
3.5.1.1. Once the total run time is complete, the system will automatically recover the CO
2
in the
system back into the bottles. When all vessels get under 100 psi the system will stop and
vent the extractors.
3.5.1.2. The system will then prompt the operator to close the bottles and open Valve 10A and B.
Once acknowledged, the system will open all valves and release the remaining pressure
from the system.
3.5.2. Operator Maintenance
3.5.2.1. When the pressure of the extractor has been vented, the extractor is safe to open by
using the rubber mallet to loosen the top nut, and then out of the way for storage.
3.5.2.2. Use a shop vac to remove the spent material from the vessel and then reload the
extractor in the same manner as described in “Loading and Closing the Extractor” above.
3.5.2.3. To clean separators, open Valve 10 to vent separator bank
3.5.2.4. Disassemble separator and clean.
3.5.2.5. Remove the bottom of the separator filter housing and filter and clean.
3.5.2.6. Using supplied squeeze bottle, flush cleaning agent through the second separator
(smaller separator in the bank) outlet down to the filter housing until the agent runs clear.
3.5.2.7. Use compressed air to blow any residual cleaning agent out of CO
2
line and reassemble
filter.
3.5.2.8. Change orifice if needed.
3.5.2.9. Reassemble separators and reattach tubing/hoses.
3.5.2.10. Refer to System Preventative Maintenance section below for a list view of maintenance
to be done between cycles.
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