Rki-instruments GX-2012 Manual Manuel d'utilisateur télécharger pdf (Page 162)

154 • Replacing a Sensor GX-2012 Operator’s Manual

6. To replace the CO filter, pull the old one out of its recess in the sensor

gasket if it did not already come out and replace it with a new one. You

do not have to remove the sensor gasket to do this. The CO filter sits in a

recess on top of it.

Figure 26: Replacing the LEL and CO Filters

7. Insert the flow chamber back into the instrument.

8. Tighten the top screw of the flow chamber completely.

9. Place the belt clip into position and tighten the three screws retaining it.

Replacing a Sensor

1. Verify that the GX-2012 is off.

2. Use a screwdriver to remove the three screws holding the belt clip to the

back side of the instrument. Two of these screws also secure the flow

chamber.

3. Remove the belt clip and unscrew the remaining screw holding in the

LEL Filter

CO Filter

Sensor

Gasket

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Rki-instruments GX-2012 Manual Manuel d'utilisateur Page 162