Teledyne 465L Replacing Internal Particulate Filter, Instrument Layout, Nema Configuration

Teledyne API Model 465L O3 Monitor Operation Manual

Figure 9-2: Instrument Layout, NEMA Configuration

9.3.Replacing Internal Particulate Filter

1.Disconnect power from the M465L.

2.Remove the six screws and the top cover (Rack Mount Configuration) or open front panel (NEMA Configuration.)

3.Locate the filter (see Figure 9-1 or Figure 9-2 above.) Un-strap the filter from the two plastic hold-down clamps. Note the arrow on the filter showing flow direction.

4.Loosen the two nuts holding the filter into the two union fittings.

5.Install the nuts on the new filter. Hand-tighten until snug, do not use tools.

6.Perform steps 1 through 3 in reverse order to complete installation.

68 05509F DCN6409