Maintenance when required
The following maintenance should be performed by the user of the ÄKTA avant instrument
when required. Refer to the ÄKTA avant User Manual for detailed instructions.
Maintenance action
Clean the instrument externally
Run System CIP (System cleaning-in-place)
Run Column CIP (Column cleaning-in-place)
Clean the fraction collector
Replace tubing and connectors
Storage of pH electrode
Clean the pH electrode
Clean the conductivity flow cell
Calibrate the conductivity monitor
Calibrate the UV monitor
Calibrate pressure monitors
Replace the mixer
Replace O-ring in mixer
Replace the UV flow cell
Replace the flow restrictor
Replace inlet filters
Wipe off excess oil from pump heads
Clean the check valves. See Section 7.5 Clean pump head check
valves, on page 173
Replace check valves
Replace pump piston seal, O-rings, and rinse membrane. See Sec-
tion 7.2 Replace pump piston seal, O-rings, and rinse membrane of
Pump P9 or Pump P9H, on page 152 and Section 7.3 Replace pump
piston seal, O-ring, and rinse membrane of Pump P9-S, on page 163.
Replace pump pistons. See Section 7.4 Replace pump pistons, on
page 171.
150 ÄKTA avant Operating Instructions 29101556 AB
7 Maintenance
7.1 Maintenance program
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