2 Instrument Configuration
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Figure 2-22 Installation of the large
valve
Figure 2-23 Installation of the small
valve
2.2.12.3 Liquid Pump Clogging: Inspection and Troubleshooting
1. Pull out the tubing and place it into the small sample cup. Then prop up any relevant parts with
tissue paper and disassemble the pump.
2. Use the Phillips screwdriver to open the pump cap to observe any clogging resulting from
impurities, as shown in Figure 2-24.
Figure 2-24 Pump cap
3. Remove the impurities and place the pump in its original position.
Make sure to align the two marked lines correctly while installing, as shown in Figure 2-25.
Figure 2-25 Installing the marked lines
4. Make sure the liquid inlet and outlet are connected to the correct tubing (See Figure 2-26).
