Agilent Technologies InfinityLab LC Series User Manual page 139

9 Maintenance
Repair the Flow Cells
1 Disassembling the Flow Cell.
Scratched window surfaces by tweezers
C AU T I O N
Window surfaces can easily be scratched by using tweezers for removing the
windows.
 Do not use tweezers to remove windows
2 Cleaning the Flow Cell Parts
Always use new gaskets.
NOTE
3 Reassembling the Flow Cell
The semi-micro #1 and #2 gaskets (items 6 and 7,
NOTE
(Parts)"
Agilent InfinityLab LC Series VWD User Manual
a Unscrew the cell screw using a 4-mm hexagonal wrench.
b Remove the SST rings using a pair of tweezers.
c Use adhesive tape to remove the peek ring, the window and the gasket.
d Repeat step a through step c for the other window (keep the parts
separate - otherwise they could be mixed!).
a Pour isopropanol into the cell hole and wipe clean with a piece of lint-free cloth.
b Clean the windows with ethanol or methanol. Dry it with a piece of lint-free cloth.
a Hold the flow cell cassette horizontally and place gasket in position.
Ensure both cell holes can be seen through the holes of gasket.
on page 154) look very similar. Do not mix them up.
b Place the window on gasket.
c Place the peek ring on the window.
d Insert the conical springs. Make sure the conical springs point towards the
window. Otherwise tightening the cell screw might break the window.
Conical springs
Ring - Window - Gasket - Arrangement
Figure 41 Orientation of conical springs
e Screw the cell screw into the flow cell and tighten the screw.
"Semi-micro Flow Cell
139