AirLink 6940XP Operator’s Manual
Maintenance
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5. Hold the PID sensor steady on the working surface with one hand and using the other hand,
locate the tabs on the electrode stack removal tool and insert them into the slots on the side of
the PID sensor near the face.
Figure 13: Using Removal Tool
6. Squeeze the removal tool to push the tabs into the sensor slots until the electrode stack and
lamp are released.
7. Carefully lift the PID sensor body away from the electrode stack and lamp. If the lamp
remains lodged in the sensor body, carefully remove it with tweezers.
8. If the spring in the lamp cavity comes out, place it back into the lamp cavity.
9. Discard the old electrode stack.
10. Hold the new electrode stack between the thumb and forefinger of one hand and place the
window end of the lamp inside the O-ring seal in the new electrode stack with the other hand
as shown below. Take care not to touch the lamp window.
Figure 14: Reinstalling 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.
