GE AKTA avant Operating Instructions Manual page 154

7 Maintenance
7.2 Replace pump piston seal, O-rings, and rinse membrane of Pump P9 or Pump P9H
Pump P9H
1
Part
1
2
3
4
5
6
13
Disassemble the pump head
Step
1
2
154
2 3
Description
Piston
Return spring
Pump membrane housing
Star screws
O-ring
Support washer
Star screws
Action
Make sure that no run is in progress on the instrument.
Disconnect the tubing from the pump head, and disconnect the pump inlet
tubing.
4 5 6
7
13
Part
7
8
9
10
11
12
ÄKTA avant Operating Instructions 29101556 AB
8 9 10
Description
Piston seal
Outlet check valve
O-ring
Purge valve
Star screws
Inlet check valve
11
12