
7.8.10
Replace pump piston seals of Pump P9 or P9H
Maintenance interval
Replace the O-rings and piston seals and rinse the membranes of the pumps if they are damaged.
After replacement, perform a run to break in the new piston seals.
The instructions in this section apply to the following pumps.
Pump type
Label
Configuration
P9
P9 A
System pump A, ÄKTA pure 25
P9
P9 B
System pump B, ÄKTA pure 25
P9H
P9H A
System pump A, ÄKTA pure 150
P9H
P9H B
System pump B, ÄKTA pure 150
P9H
P9H S
Sample pump S9H, ÄKTA pure 150
NOTICE
Advanced maintenance. Read the instruction carefully before disassembly of the
pump head.
Required material
The following materials are required:
• Adjustable wrench
• For Pump P9: Star screwdriver, T20
• For Pump P9H: Star screwdriver, T10 and T20
• Ultrasonic bath
• Ethanol, 20%
• For Pump P9: Tubing giving a back pressure of 6 to 8 MPa (60 to 80 bar).
• For Pump P9H:Tubing giving a back pressure of 2 to 3 MPa (20 to 30 bar)
• For Pump P9: P9 Seal kit, 25 ml
• For Pump P9H: P9H Seal kit, 150 ml
ÄKTA pure User Manual 29119969 AB
335
7 Maintenance
7.8 Replacement procedures
7.8.10 Replace pump piston seals of Pump P9 or P9H
Содержание AKTApure
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