Water Filter Replacement - Hach ANATEL PAT700 Operator's Manual

PAT700 Total Organic Carbon Analyzer – Maintenance and Troubleshooting
11.2

Water filter replacement

CAUTION
Burn and pressure hazard! Water is pressurized and may be hot (up to 95 °C [203 °F]).
Protective eye wear is required while performing this task, and the sample line must
first be depressurized before the water filter is disconnected.
The analyzer has an internal water filter, which can be replaced (replacement filter part
number FG7001015). To replace the filter, follow these steps:
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Anatel
Disconnect power to the analyzer.
Use a 5/16-inch Allen wrench to unlatch the bottle bay door.
Unlatch the door and swing it open on its hinges. See
Figure 11-2 PAT700 with bottle bay door open to reveal internal water filter
Without crimping or damaging the tubing, loosen and remove the inlet tubing from
the analyzer side of the inlet filter.
Loosen the compression nut from the end of the filter that connects to the water
inlet connection.
Remove the filter.
Open the filter assembly and replace the internal filter.
Re-insert the filter into the water inlet fitting and hand-tighten the compression nut.
Reinstall the water inlet tubing on the analyzer side of the filter and tighten the
compression nut 1-1/4 turns to secure the connection.
Close the bottle bay door.
Use the Allen wrench to latch the bottle bay door.
Restore power to the analyzer.
Figure 11-2.
Internal water filter
Operator Manual
Page 135