Instruction manual

8. Maintenance
8-6
RF-20A/20Axs
 Inspecting the Cell
1
Turn the power to the instrument OFF and unplug
the power plug.
2
Open the front cover and the key panel.
NOTE
In order to prevent the front cover falling off, remove it
from the instrument before starting the work.
3
Unscrew the coupling fixing screw and remove the
inlet and outlet couplings 1.6-0.8C.
4
Unscrew the cell housing screw and remove the
flow cell unit.
Fig. 8.3
5
Pump with the flow line tubing still connected.
6
With the mobile phase flowing, look inside the flow
cell unit through the lens, and check for air
bubbles and dirt.
∗ If there are any air bubbles or is any dirt, clean
the cell.
^ "8.2.2 Simple Cleaning of the Cell" P.8-8
Fig. 8.4
Cell housing
screw
Coupling
fixing screw
Flow cell
unit
Couplings
1.6-0.8C
Lens ASSY
To the waste
container
From the column