RKI Instruments Gas Tracer - Manual (Page 194)

186 • Replacing the LEL and CO Filters Gas Tracer 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 27: 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.
LEL Filter
CO Filter
Sensor
Gasket