7.1
Maintenance program
Introduction
An overview of the preventive maintenance to be performed on the ÄKTA avant instru-
ment is outlined in the following list. See ÄKTA avant User Manual for detailed information
about the maintenance procedures.
Maintenance is divided into:
•
Daily maintenance
•
Weekly maintenance
•
Monthly maintenance
•
Bi-annual maintenance
•
Maintenance when required
WARNING
Electrical shock hazard. All repairs should be done by service
personnel authorized by GE. Do not open any covers or replace
parts unless specifically stated in the user documentation.
Periodic maintenance program
The following periodic maintenance should be performed by the user of the ÄKTA avant
instrument.
Maintenance action
Interval
Calibrate the pH monitor
Daily
Change pump rinsing solution
Weekly
Replace inline filter in the mixer
Weekly
Clean the fraction collector
Weekly
Check the flow restrictor
Monthly
Clean the UV flow cell
Bi-annual
Replace the pH electrode
Bi-annual
ÄKTA avant Operating Instructions 29101556 AB
149
7 Maintenance
7.1 Maintenance program