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8 • Maintenance
This chapter describes routine maintenance procedures for the Dionex Integral
system that users can perform. All other maintenance procedures must be
performed by a Technical Support Representative for Dionex products.
Establish a routine maintenance program based on the guidelines here, as well as
information in the user manuals for other system components (analytical pump,
detector, columns, and so on). Following a strict maintenance schedule ensures
proper operation of the Dionex Integral system.
NOTE Thermo Fisher Scientific recommends recording the
date on which each routine maintenance procedure is
performed. Besides ensuring that these procedures are
accomplished, a maintenance log is very helpful when
troubleshooting the system.
8.1
Daily Maintenance
Completion time: 10-15 min for a dual-system analyzer
Component or Feature
Action
Gas pressure
Check house pressure; the cylinder must have enough
pressure to supply gas for the day.
LE regulator = 34 kPa (5 psi)
Helium pressure for dilution vessel = 170 kPa (25 psi)
Reagent supplies
Check all liquid levels and replenish as needed.
Eluent for the day = 1 L minimum (2 L recommended)
Stock standard solution for the day = 1 L minimum
Regenerant water pressure = 100 kPa (15 psi)
Deionized water pressure to enclosure = 100 to 140 kPa
(15 to 20 psi)
Sample line pressures = 70 to 140 kPa (10 to 20 psi)
minimum; 100 kPa (15 psi) recommended)
Sample and waste lines
Check that all lines flow freely.
Содержание Dionex
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