65
•
Maintenance
AirLink 6940XP Operator’s Manual
10. Hold the electrode stack between the thumb and forefinger of one hand and place the window
end of the new lamp inside the O-ring seal in the electrode stack with the other hand as shown
below. Take care not to touch the lamp window.
Figure 12: Reinstalling the Electrode Lamp
11. Twisting the lamp slightly during insertion will help to ensure the lamp window is snug
against the stack's front electrode. The lamp should be supported by the O-ring.
12. Continuing to hold the electrode stack between your forefinger and thumb, carefully insert the
lamp into the lamp cavity in the sensor ensuring that the lamp remains in position.
13. Press in the electrode stack firmly to ensure that the stack wing clips are engaged and the faces
of the stack and sensor body are flush.
14. Plug the sensor element into the sensor housing board. Ensure that the pins on the sensing
element align with the sockets on the sensor housing board.
