Ametek 5920 UHP User Manual page 95

To access the Purifier locations:
1. Remove the top cover of the analyzer by removing the two (2) screws on
2. Remove the oven insulation cover directly underneath the top cover.
3. Remove the oven cover to expose the top inside of the analyzer.
4. Locate the positions where the purifiers will be installed on the rear and
5. Using a flathead screwdriver, remove the two (2) screws that hold the
To install the Purifiers:
1. Check to make sure that you have a new purifier ready to install for each
2. The purifier will be marked as either inert gas or oxygen purifier and will
3. Remove the red end caps from the VCR nuts on the analyzer to install the
4. Slide the VCR gasket into the female VCR nut on the analyzer. Position the
5. Repeat this procedure for the other end of the purifier, hand-tightening
6. Use a backup hex wrench to hold the purifier while tightening each of the
7. If you are replacing the other purifier, repeat Steps 1 through 6.
8. Perform a leak test to ensure the purifier(s) are installed correctly.
9. Replace the oven cover and oven insulation, and reattach the top cover by
PN 592047901 Rev YC
the side and the four (4) screws on the top.
side the analyzer. The VCR nuts are plugged with red caps to make them
easy to identify. Both purifiers will have a cover plate bracket over the top.
bracket over the top of the purifier(s) you want to replace.
one you need to replace. You should also have two (2) new VCR gaskets for
each purifier.
have an arrow to indicate the correct positioning in the analyzer based on
the gas flow.
purifier.
purifier with the arrow in the right direction and slide the VCR nut over the
male end of the purifier to ensure that the VCR gasket is in place.
the VCR nuts to position the purifier correctly.
VCR nuts, in turn, with a 3/4-inch hex wrench.
reinserting the screws on the side and top cover.
Maintenance and Troubleshooting | 4-15