Eppendorf Pipette Reference 2 - Manual (Page 22)

Maintenance
Eppendorf Reference
® 2
English (EN)
22
6.4 Disassembling and assembling the pipette lower part
6.4.1 Single-channel lower part up to 1000 μL
6.4.1.1 Removing the lower part
1. Hold the control button completely pressed down.
2. Remove the ejector sleeve .
3. and : On the lower part, slide the ring marked " PUSH UP TO RELEASE" up by about 5 mm until the
lower part comes off.
4. : Remove the lower part from the upper part.
6.4.1.2 Deactivating spring loading
For the following dispensing tasks, it may be helpful to deactivate the spring loading action of the tip cone.
• A pipette tip is to be used over a long period of time.
• The pipette tip is slightly bent during dispensing.
Deactivating this action may also be helpful for pipette tips that are not designed for the Eppendorf pipette
tip cone.
6.4.1.2.1 Single-channel pipettes
The spring loading action of the tip cone can be deactivated by installing the locking ring. The
locking ring is included in the delivery package.
1. Push the black locking ring onto the lower part from the top by slightly squeezing the
clamps on the lower part.
2. Insert the lower part into the upper part until it audibly engages.
3. Hold the control button completely pressed down.
4. Mount the ejector sleeve. If correctly fitted, it will engage slightly.
Unlock the locking ring to reactivate the spring-loading action.
Made in
Germany
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PUSH TO RELEASE
Made in
Germany
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Made in
Germany
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