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Fig. 6-12 Inlet and Outlet Tube
1. Supply liquid using the pump, and check that liquid comes out of the OUTLET tube of the flow
cell.
2. If liquid does not come out of the tube, it indicates the tube is clogged. Replace the OUTLET
tube with a new one.
3. If a leakage occurs although liquid comes out of the tube normally, it may be that the upper
nipple is not securely tightened. Try tightening another 10 to 20° lightly with the furnished
spanner.
4. Wipe up any liquid spilt on the outside of the flow cell.
5. Before returning the flow cell unit into position, supply liquid with the pump and make sure
there is no more leakage.
It is important that the OUTLET tube of the flow cell be checked first for clogging. If the upper
NOTE:
nipple is found to be loose and is retightened with the wrench without checking the OUTLET tube,
then the flow cell may be damaged or broken.
If leakage is found in the sample compartment or on the optical base inside it, wipe up the liquid
NOTE:
thoroughly and then clean with a cloth moistened with water.
Cautions on Storage of the Flow Cell
If the flow cell will be left unused for more than a few days, clean the flow cell interior thoroughly
by pumping distilled water or alcohol through it and then store it in a safe place.
If the period of nonuse is less than a few days, the inside of the cell may be filled completely with a
solvent such as isopropyl alcohol and then stored.
Maintenance . 141
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Troubleshooting
