Emerson Rosemount OCX8800C Manual page 231

Oxygen and combustibles analyzer for hazardous areas
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Manual
00809-0500-4881
Remove sample block heater rods
Procedure
1. Disconnect sample block heater rod wires from terminal block.
2. Loosen screws and rotate heater clamps to release heater rods.
3. Slide sample block heater rods out of housing.
4. To replace thermal switch, remove insulator. Disconnect heater wires. Unscrew and
Remove COe sensor assembly
Procedure
1. Disconnect the COe heater, thermocouple, and sensor wires from the terminal
Rosemount OCX8800C
Refer to
Figure
10-17.
One heater clamp secures each heater rod.
Note
For easier access, you may remove two screws from the base of terminal block
mounting and move the terminal block assembly out of the way.
remove thermal switch.
blocks.
Refer to
Figure
10-18.
Maintenance and service
April 2023
231

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