ASP sterrad NX, Service & Troubleshooting Manual

Page: 69 / 126

Subassembly Removal and Replacement
5
CAUTION: Do not torque the body of the transducer.
Required Tools: Soft-jaw pliers.
Crow foot wrench
Preparation: 1. Turn the sterilizer OFF.
2. Remove the front top panel and the top panel.
Removal:
1. Unplug 4 cables: P5, P6, P9, and P13.
2. Use soft-jaw pliers to unscrew the collar connecting the
manifold to the Ultratorr fitting.
3. Pull the manifold up to remove.
4. Remove the spacer and the O-ring from inside the Ultratorr
fitting.
5. Use the crowfoot wrench to separately remove the pressure
transducers.
Replacement: 1. Clean the inside of the Ultratorr fitting.
2. Lightly coat a new O-ring with approved vacuum grease and
place the O-ring in the Ultratorr fitting.
3. Reinstall the spacer in the Ultratorr fitting.
4. Place the threaded collar around the base of the new manifold
and insert the tube into the Ultratorr fitting. Press down until it is
seated firmly.
5. Use soft-jaw pliers to tighten the collar.
6. Reconnect four cables: P5, P6, P9, and P13.
7. If the pressure transducers have been separately removed,
replace them making sure the cables are correctly attached.
8. Perform a pressure transducer calibration.
STERRAD
®
NX
™
Service Guide 69