User manual

90 1200 Series Variable Wavelength Detector User Manual

8Maintenance

Repairing the Flow Cells

When required If the flow cell needs repair due to leaks or contaminations.

Tools required Wrench 1/4 inch for capillary connections

Hexagonal wrench 4 mm

Tooth picks

Parts required See “Standard Flow Cell" on page 111.

See “Micro Flow Cell" on page 112.

See “Semi-micro Flow Cell" on page 113.

See “High Pressure Flow Cell" on page 115.

Preparations Turn off the flow.

Remove the front cover.

Remove the flow cell, see “Exchanging a Flow Cell" on page 87.

NOTE

The shown cell parts will differ depending upon the flow cell type. For detailed parts

schematics, refer to above mentioned pages.

Figure 30 Standard Flow Cell

1 - Cell Screw

2 - Conical Springs

3 - Ring #1 PEEK

4 - Gasket #1 (small hole)

5 - Window Quartz

6 - Gasket #2 (large hole)

7 - Cell cover assembly

8 - Ring #2 PEEK