ASP sterrad NX, Service & Troubleshooting Manual

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6
Maintenance
Door Seal O-Ring Replacement
4
Note : The door does not have to be removed in order to
remove the O-ring seal.
1. Open the chamber door.
2. Insert a small plastic pick tool in the groove near the center of the
bottom of the door seal O-ring channel.
3. Pry the O-ring up and out of the channel. Pull the O-ring out of the
entire circumference of the channel.
To install a new O-ring seal, do the following:
1. Thoroughly clean the door seal O-ring channel.
2. Lubricate the new O-ring with a light coating of approved vacuum
grease.
3. Insert the new O-ring into the channel and press it into the channel
until it is seated. Avoid stretching the O-ring.
4. Test the fit of the seal by closing and latching the door.
5. Test the integrity of the seal by performing a vacuum diagnostic test.
106 STERRAD
®
NX
™
Service Guide