ASP sterrad NX, Service & Troubleshooting Manual

Page: 103 / 126

Maintenance
6
Catalytic Converter Replacement
1. Unscrew the catalytic converter from the base and discard.
2. To install a new catalytic converter: align the converter with the
base, screw the parts together and hand-tighten.
Oil Mist Filter Replacement
1. Unscrew the 4 screws fastening the housing to the vacuum pump.
2. Separate the housing and the filter.
3. Remove the filter element.
To install the new filter element, do the following:
4. Insert the new filter element in the housing.
5. Replace the housing and fasten the 4 screws.
Air Filter Replacement
1. Unscrew the nut from underneath the base and remove the filter.
2. Reinstall the new filter included in the kit and replace the nut.
Vent Valve HEPA Filter
Replacement
1. Unscrew the HEPA filter from the valve body.
To install the new HEPA filter, do the following:
1. Wrap the threaded nipple on the valve body with new Teflon
®
tape.
2. Screw the HEPA filter onto the threaded nipple. The filter should be
hand-tightened only.
Teflon
®
is a registered trademark of the DuPont Corporation.
STERRAD
®
NX
™
Service Guide 103