ASP sterrad NX, Service & Troubleshooting Manual

Page: 107 / 126

Maintenance
6
Chamber/Electrode/Plastics
1. Remove the screw from the feedthrough.
2. Remove the 2 screws from the chamber flange and slide the
electrode out of the chamber.
3. Remove the plastic spacers and slides from the electrode assembly.
4. Scrub the electrode and clean the chamber.
To install the new spacers, do the following:
1. Install the plastic spacers on the electrode assembly.
2. Slide the electrode assembly into the chamber and secure the
feedthrough screw and 2 screws on the chamber flange.
Thermistor Replacement
Following are procedures for replacing the chamber, door and
condenser/vaporizer thermistors on the STERRAD NX Sterilizer.
Chamber Thermistor Replacement
1. Look for the Velcro
®
Hook and Loop Fasteners located near the front
and rear on the right side of the chamber. They are holding the
blanket in place over the thermistors.
2. Open the fasteners and move the thermal blanket aside to access the
thermistors.
3. Unscrew the thermistors.
To replace the thermistors, do the following:
1. Apply a liberal amount of thermal compound to the chamber side of
the lug of each new thermistor, especially underneath the thermistor
sensor itself.
2. Attach the new thermistors to the underside of the right side rib of
near the thermistor wires as shown in the following figure.
STERRAD
®
NX
™
Service Guide 107