To determine if filter needs to be replaced, monitor flow rate of sample gas of pump. If output begins to drop, it may indicate a clogged filter element.
- Note orientation of filter. Flow direction is upward.
- Push lock ring on black elbow fitting twards body of the fitting. This will retract the internal gripper that holds the filter in the fitting.
- Pull tube stubs from fitting and repeat for the other end
- Replace with new filter (part number: AG-DIF-K70).