78
12.
Once all maintenance and cleaning has been completed, reassemble the vacuum pump by
reinstalling each component in the reverse order it was removed. Keep in mind the
orientation of the parts need to be the same as they were prior to disassembly. Refer back to
Figure 77 to see an image of a fully assembled vacuum pump.
13.
Reinstall the reassembled vacuum pump into the analyzer by connecting and attaching it
using the same screws and fittings that were in place prior to performing maintenance.
14.
Reconnect the source of electrical power to the vacuum pump.
5.6 Replacing the Membrane and O-ring within the Liquid Membrane Separator
Should maintenance be required, the following steps describe the actions necessary to successfully
replace the membrane and O-ring located within the internal structure of the Genie Model 123 liquid
membrane separator used in conjunction with the AccuLase-GPA™.
5.6.1 List of Materials Required
The following list of materials is required to complete the maintenance on the liquid membrane
separator:
•
Replacement membrane and O-ring set
•
Large screwdriver or wrench (optional)
•
Small flathead screwdriver (optional)
•
Clean workspace
5.6.2 Preparatory Steps
1.
Stop or block the sample flow into the liquid membrane separator.
2.
Depressurize the liquid membrane separator.
5.6.3 Liquid Membrane Separator Disassembly and Maintenance
1.
Unscrew the cover of the liquid membrane separator by turning it counter-clockwise (See
Figure 87). If turning the cover is difficult, use a large screwdriver or wrench braced across
the metal pins on the surface to assist. See Figure 88.
