Emerson Rosemount Oxymitter 4000 Reference Manual page 163

Reference Manual
00809-0100-4340
9. Align the white posts with the post holes on the power supply board and the pin
10. Holding the J1 connector leads, slide the electronic assembly the rest of the way
11. Gently try to rotate the electronic assembly to check for full seating. If the
12. Reconnect the J1 connector to the microprocessor board
13. Tighten the three captive screws (10) in the top of the micropressor board (5).
14. Replace the right housing cover (1); make sure it is tight. Secure the housing cover
15. Install and tighten cover (1). Make sure it is tight. Secure the cover using captive
9.3.7 Replace entire probe
Do not attempt to replace the probe 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.
If you need to replace the probe, see
Procedure
1. Follow the instructions in
2. Separate the probe and the electronics housing per
3. Reinstall electronics on the new probe per
4. Follow the instructions in
Rosemount Oxymitter 4000
connector on the power supply board with the connector port on the back of the
analog board. Gently push the boards together until the white posts snap in place.
Ensure the assembly is secure by gently trying to separate the boards.
into the housing. Seat the electronic assembly on the mating connector pins.
electronic assembly rotates, remove the assembly and repeat
assembly).
using captive washer (20), cover lock (19), and screw (18).
washer (20), cover lock (19), and screw (18).
or duct.
electronics (with housing).
electronics (with housing).
duct.
Probe replacement parts
Remove probe to remove the transmitter from the stack
Step 3 and
Replace probe to install the transmitter into the stack or
Maintenance and service
October 2019
Step 10.
(Replace electronic
for part numbers.
Step 1 in Replace entire
Step 4 in Replace entire
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