VWR High Performance Pipettor 100µL

Ensure the pipettor is a single channel model

Check that the lubricant tube is available

Push laterally (to the left) the tip-ejector

Slide and remove the tip-ejector

Unscrew the connecting nut by turning it clockwise

Carefully separate the lower and upper parts

Remove the following components

Clean the piston with isopropanol or ethanol

Select the model for specific lubrication instructions

Place pipettors in the autoclave without using a bag

Set autoclave temperature to 121°C (252°F)

Set autoclave pressure to 1 atm

Set autoclave time to 20 minutes

Is the connecting nut fully tightened?

Tighten the connecting nut if it is not fully tightened

Disassemble the pipettor as described in chapter 12A - Maintenance.

Set aside the upper part in a clean, dry place.

Identify components that can be immersed in cleaning solution

Clean components using an ultrasonic bath (20 minutes at 50°C) or with a soft-cloth and brushes.

Degrease piston assembly and seals with isopropanol or ethanol before ultrasonic bath.

Use small round brushes with soft plastic bristles to clean the interior of the tip-holder.

Ensure the pipettor is a single channel model

Verify that the pipettor is not a 2µL or 10µL model

Wipe the tip-ejector with a soft-cloth or lint-free tissue impregnated with soap solution

Wipe the entire pipettor with a soft-cloth or lint-free tissue impregnated with soap solution

Use a brush with soft plastic bristles if the pipettor is very dirty

Wipe the entire pipettor and the tip-ejector with a soft cloth or lint-free tissue soaked with distilled water