Ecotech Acoem Serinus 30 - DFU Replacement; Leak Check; Figure 134 - Remove Kynar Nut

Serinus® 30 User Manual 3.3
Page 146
2. Clean filter with water and dry it.
Note: Do not install the filter until completely dry, a wet filter can damage the instrument.
3. Reinstall filter and filter casing.
6.4.3 DFU Replacement
1. Turn OFF the instrument and unplug the power cord from mains power outlet.
2. Refer to Figure 134. Remove the Kynar nut from the end of the DFU by turning it anti-clockwise.
Figure 134 – Remove Kynar Nut
3. Replace the DFU and ensure that the flow is in the correct direction (arrow should point towards
the Kynar nut).
4. Tighten the Kynar nut clockwise.
6.4.4 Leak Check
Equipment Required
• Vacuum Source (Pump)
• Leak Test Jig (PN: H050069)
• Kynar 1/4” Blocker Nuts
• 5/8” Spanner
• 9/16” Spanner
Note: Ensure that the instrument has been running for at least one hour before this procedure is
performed.
Procedure
1. Turn OFF the vacuum source and allow the instrument to return to ambient pressure.
2. Disconnect any external tubing connected to the rear of the instrument.