Emerson Rosemount Oxymitter DR, Reference Manual

Page: 59 / 98

4.8 Replace cell
Do not attempt to replace cell until you have eliminated all other possibilities for poor
performance.
WARNING
The transmitter, probe tube, and flame arrestor hub can be hot (up to 572 °F [300 °C]) in
the region of the probe heater. This can cause severe burns.
Wear heat resistant gloves and clothing when removing probe.
Do not attempt to work on the probe until it has cooled to room temperature.
CAUTION
Removing the cell may damage the cell and platinum pad.
Do not remove the cell unless it needs to be replaced. Go through the complete
troubleshooting procedure to eliminate other possible causes before removing the cell.
If you need to replace the cell, order the cell replacement kit. See Table 3 . The cell
replacement kit ( Figure 4-3 ) contains a cell and flange assembly, corrugated seal,
setscrews, socket head cap screws, and anti-seize compound. Emerson carefully packages
the items to preserve precise surface finishes. Do not remove items from the packaging
until you are ready to use them. A special tools kit contains spanner and hex wrenches. See
Table 3 .
Reference Manual Maintenance and service
00809-0100-4880 October 2019
Rosemount Oxymitter DR 59