Emerson Rosemount OCX 8800 Reference Manual page 230

Maintenance and service
2.
3.
Remove COe sensor assembly
Complete the following steps to remove the COe sensor assembly from the OCX 8800.
1.
220
Loosen screws (11, Figure
(13).
One heater clamp secures each heater rod.
Slide sample block heater rods (13) out of housing (8).
Note
For easier access, you may remove two screws from the base of terminal block mounting (13)
and move the terminal block assembly out of the way.
Disconnect the COe heater, thermocouple, and sensor wires from the terminal
blocks. Refer to Figure 9-7.
9-5) and rotate heater clamps (12) to release heater rods
OCX 8800