Replace Pump Piston Seal, O-Rings, And Rinse Membrane Of Pump P9 Or Pump P9H - GE AKTA avant Operating Instructions Manual

7 Maintenance

7.2 Replace pump piston seal, O-rings, and rinse membrane of Pump P9 or Pump P9H

7.2 Replace pump piston seal, O-rings, and rinse mem-
brane of Pump P9 or Pump P9H
Introduction
Follow the instructions to replace the O-rings, piston seal, and rinse membrane of pumps
P9, P9H A, P9H B, or P9H S.
Note:
Tip:
Maintenance interval
Replace the O-rings, piston seals, and rinse membranes the pumps P9, P9H A, P9H B,
and P9H S if they are damaged. After replacement, perform a run to break in the new
piston seals.
152
Always replace the O-rings, piston seals, and rinse membranes of both pump
heads of a pump at the same time.
A sign of internal leakage is that the pump rinsing solution volume starts to
increase.
NOTICE
•
Do not disassemble the pump head unless there is good reason
to believe that there is an internal leakage. A sign of leakage
is increasing pump rinsing solution volume. Always make sure
that sufficient spare components are available before attempt-
ing to replace a spare part.
•
Replacing spare parts. Read the instructions carefully. For
example, some individual parts of the pump head can be as-
sembled incorrectly. Check the orientation of each part before
continuing with the next instruction.
NOTICE
Advanced maintenance. Read the instruction carefully before
disassembly of the pump head.
ÄKTA avant Operating Instructions 29101556 AB