Orion 2117HL High Level Chloride Analyzer User Guide
Orion 2117HL High Level Chloride Analyzer User Guide
Orion 2117HL High Level Chloride Analyzer User Guide
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<strong>Analyzer</strong> Maintenance<br />
valve stem<br />
O-rings (2)<br />
Yearly Preventive<br />
Maintenance<br />
Electrodes<br />
Diverter Valve O-rings<br />
valve stem<br />
retaining ring<br />
manifold<br />
face<br />
Figure V-1<br />
Flow Cell Assembly<br />
Thermo Scientific <strong>Orion</strong> <strong>2117HL</strong> <strong>High</strong> <strong>Level</strong> <strong>Chloride</strong> <strong>Analyzer</strong> <strong>User</strong> <strong>Guide</strong><br />
1. Replace the Thermo Scientific <strong>Orion</strong> reference electrode<br />
(Cat. No. 100057). Refer to Chapter II, Installing a New Reference<br />
Electrode for step-by-step instructions.<br />
2. Replace the Thermo Scientific <strong>Orion</strong> chloride sensing electrode<br />
(Cat. No. 210017). Refer to Chapter II, Installing a New <strong>Chloride</strong><br />
Electrode for step-by-step instructions.<br />
3. Replace the calibration solutions (Cat. No. 211740HL)<br />
Dispose of all old solutions according to the MSDS instruction. MSDS<br />
files can be downloaded at www.thermo.com/processwater.<br />
Valve Stem O-rings<br />
1. Remove the two screws that hold the valve stem assembly in place.<br />
2. Gently pull on the valve stem to remove.<br />
3. Slide off the two old O-rings and replace them. It is not necessary to<br />
remove the retaining ring.<br />
4. Place the assembly back into the manifold block and tighten screws.<br />
Note: Do not use O-ring grease.<br />
Manifold Face O-rings<br />
1. Remove the flow cell manifold assembly.<br />
2. Remove the three O-rings from the face of the flow cell manifold.<br />
3. Insert the new O-rings on the face of the flow cell manifold.<br />
4. Replace the flow cell manifold assembly.<br />
V-4