Eppendorf Top Buret M / H - Manual (Page 33)

33
Maintenance
Top Buret ™
English (EN)
8.1.1 Standard cleaning
Prerequisites
• The Top Buret has been emptied (see p. 26).
Proceed as follows:
1. Mount the Top Buret onto a bottle filled with a neutral cleaning solution.
2. Place a collection vessel below the discharge tube.
3. Switch the toggle to titration.
4. Rotate the dispensing wheels at least 10 times slowly and evenly forward.
5. Switch the toggle to deairing.
6. Rotate the dispensing wheels at least 10 times slowly and evenly forward.
7. Remove the device from the bottle.
8. To evacuate the Top Buret, rotate the dispensing wheels.
9. Screw the Top Buret onto a bottle filled with distilled water.
10.Repeat steps 2 to 6.
11.Remove the Top Buret from the bottle.
12.Rotate the dispensing wheels until the Top Buret is completely emptied.
8.1.2 Intensive cleaning
We recommend performing intensive cleaning in the following situations:
• The device is heavily contaminated.
• The dispensing wheels are hard to turn.
• After titration of highly crystalline liquid.
Prerequisites
• The device has been cleaned according to the standard procedure (see p. 33).
• The device has been disassembled (see p. 34).
Proceed as follows:
1. Clean the telescopic aspirating tube with a soft bottle brush.
2. Clean all parts with a soft brush and a mild cleaning agent.
3. Wipe the housing without the control panel with a damp cloth and a mild
cleaning agent.
4. Rinse all parts with distilled water.