GE Analytical Instruments ©2016 188 of 270 DLM 68100-09 EN Rev. A
Chapter 8: Maintenance
15. Close the door to the instrument, and restore power to the instrument.
16. Before returning the Analyzer to normal operation, run the Liquid Reactor Flow Diagnostic to confirm
movement of the newly lubricated syringe.
Also confirm that no leaks are present.
Consumables Replacement
Replacing the Pinch Valve Tubing
Pinch valve tubing in the Analyzer’s pinch valves must be replaced periodically to ensure proper operation of
these valves. The tubing should be replaced after one year of operating time for neutral pH samples. If samples
are acidic or basic, the tubing should be replaced every 3 to 6 months. The operating life remaining in the tubing
is shown on the Analyzer’s Main screen and on the Consumables screen. For this procedure, the Analyzer
should be powered on. Contact GE Analytical Instruments at 303. 444.2009 or 800.255.2595 for a replacement
kit. Technical Support in North America is available at 303.444-2009 or 888.245.2595 or
techSupport.GEAI@ge.com
. Technical support in Europe, Middle East, and Africa is available at 44 (0) 161 864
6800 or
ServiceUK.Instruments@ge.com. Technical support in Asia Pacific is available at (65) 62674659 or
TechSupportSG.GEAI@ge.com. In other parts of the world, contact your local GE Analytical instruments
representative. You can also visit the Support tab on our website at www.geinstruments.com
.
To replace the tubing
Refer to Figure 81, as needed.
1. Open the door of the Analyzer.
2. Locate the replacement tubing from the Pinch Tubing Replacement Kit. Cut the tubing for the following
valves to the same lengths as the tubing you are replacing:
Two Stream and Five Stream Configurations
Valve Names
Additional values for the Five Stream Configuration ONLY
Valve Names
Warning
Wear eye protection and gloves when performing this task.
NOTE:
Depending on the Analyzer configuration, some of these valves may not use pinch tubing
V1-MS V2-MS V6-MS V7-MS
V1-SH V2-SH V3-SH V5-SH
V3-R V6-R V7-R
V3-MS
V4-MS
V5-MS
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