
3. Use a pencil to mark locations of the spring clips on the ceramic rod of the contact
and thermocouple assembly.
4. Squeeze the tabs on the spring clips and pull the contact and thermocouple
assembly out of the heater strut. Retain the spring clips and spring. Replace if
damaged.
5. While very carefully handling the new contact and thermocouple assembly, lay the
old assembly next to the new one. Transfer the pencil marks to the new rod. Throw
away the old contact and thermocouple assembly.
6. Carefully guide the new contact and thermocouple assembly through the spring,
spring clips (held open by squeezing the tabs), tube supports, and heater support of
the heater strut assembly until the spring clip reaches the pencil mark.
7. Install the cell per the instructions in
through
8. Slide the heater strut assembly into the probe per the instructions in
9. On systems equipped with an abrasive shield, install the dust seal gaskets, with
joints 180 ° apart.
to install the transmitter into the stack or duct. If
there is an abrasive shield in the stack, make sure the dust seal gaskets are in place
as they enter the 15 ° reducing cone.
Maintenance and service
Reference Manual
October 2019
00809-0100-4340
172
Emerson.com/Rosemount
Summary of Contents for Rosemount Oxymitter 4000
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