Oxygen Sensor Board Replacement; Figure 7-58. Replacing The Oxygen Sensor Dmc Board - Thermo Scientific 48iQ Instruction Manual

Servicing
Optional DMC Oxygen Sensor
Oxygen Sensor
Board Replacement
7-54 48iQ Instruction Manual
Use the following procedure to replace the oxygen sensor board.
Equipment required:
Phillips drive, #2
1. Remove the oxygen sensor DMC from the instrument. Refer to
"Oxygen Sensor Removal" on page 7-51.
2. Unplug J1.
3. Using a #2 Phillips drive, unfasten five #6-32 pan head screws.
Figure 7–58. Replacing the Oxygen Sensor DMC Board
4. Slide board upwards.
Note Clear keyway. ▲
Thermo Scientific