GX-6000 Operator’s Manual
Chapter 6: Maintenance • 125
Replacing the PID Sensor’s Electrode Stack
The electrode stack can last for the life of the PID sensor if the GX-6000 is used in a very
clean, controlled environment. When used in a heavily contaminated or dirty environment,
the electrode stack may only last a month. A contaminated electrode stack will cause a
drop in sensitivity which can cause problems calibrating the PID channel. The electrode
stack should be replaced if the PID sensor shows signs of contamination even after
cleaning or replacing the lamp.
NOTE:
Do not touch the new lamp window (the flat end) with your fingers as this may
contaminate the window with finger oil.
1 . Verify that the GX-6000 is off.
2 . Use a small Phillips screwdriver to unscrew the four screws holding the flow
chamber to the rest of the GX-6000’s case.
3 . Grasp the sides of the flow chamber and lift it away from the rest of the case. The
screws are captive screws and will not come out of the flow chamber.
4 . Gently pull up the edges of the sensor gasket to loosen it from its connections. Be
sure not to lose any of the filters that are in it. The sensors will be exposed.
5 . Locate the PID sensor.
6 . Grasp the sensor firmly and pull it out of its socket.
7 . Place the PID sensor face down on a flat clean working surface.
NOTE:
At this point it is recommended that the finger cots be used on the fingers
handling the lamp. Finger cots are included with the lamp cleaning kit.
8 . 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 36: Using Removal Tool