Eppendorf Reference 2 - Assembling the single-channel pipette ≥ 2 mL; Replacing the protection filter ≥ 2 mL

21
Maintenance
Eppendorf Reference
®
2
English (EN)
6. Insert the lower part into the upper part until it engages.
7. Fit the ejector sleeve.
6.4 Assembling the single-channel pipette ≥ 2 mL
6.4.1 Assembling the lower part
1. Insert the piston into the piston guide.
2. Insert the piston spring into the piston guide.
3. Attach the piston mount and press the piston spring into the piston guide.
4. Turn the piston mount by 90° and let it engage.
5. Insert the lower part into the upper part until it engages.
6. Attach and tighten the ejector sleeve.
6.4.2 Checking the function
This inspection ensures that the pipette has been assembled correctly.
 Carry out a gravimetric test of the systematic and random errors.
6.5 Replacing the protection filter ≥ 2 mL
The protection filter in the tip cone must be replaced after every contact with liquids.
1. Place a pipette wrench with the
appropriate opening onto the filter
sleeve.
2. Pull out the filter sleeve.
3. Use a pipette tip to push out the filter.
4. Clean the filter sleeve.