GE AKTApure - Replace the Pump Head Check Valves

7.8.9 Replace the pump head check valves
Maintenance interval
Replace a check valve when required, for example if the check valve is damaged or clogged. The fol-
lowing instructions are valid for the system pumps and the sample pump.
Required material
The following materials are required:
•
Check valve kit
•
Adjustable wrench
Instruction
NOTICE
Handle the check valves with care when they have been removed from the pump
heads, to prevent loss of any internal components.
Follow the instruction to replace the check valves of a pump.
ActionStep
Disconnect the tubing from the pump head and disconnect the pump inlet tubing.1
Unscrew the purge valve by turning it counter-clockwise, and lift off the metal ring.2
332 ÄKTA pure User Manual 29119969 AB
7 Maintenance
7.8 Replacement procedures
7.8.9 Replace the pump head check valves