Maintenance and Care
35
P 2.1S/P 4.1S user manual V6870, version 3.1
Contacting the Technical Support
If you have any technical questions regarding the hardware or software of the
manufacturer, please use one of the contact options below:
European Technical Support Hotline:
Languages: German and English
Available by telephone: 8 am to 5 pm (CET)
Phone: +49 30 809727 111
Fax: +49 30 8015010
E-mail:[email protected] (manufacturer)
Proper maintenance of your HPLC device will ensure successful analyses and
reproducible results.
Maintenance Contract
The following maintenance work on the device may only be performed by
KNAUER or a company authorized by KNAUER and is covered by a separate
maintenance contract:
• Opening the device or removing housing parts.
Pump Head
Removing the Pump Head
Prerequisite:
The pump head has been flushed with suitable solvent.
Chemical burns
Aggressive or toxic solvent residue can irritate the skin.
Wear protective gloves.
Flush the pump head before exchanging it.
Component defect
Piston rods can break.
Before disassembling the pump head, remove the two piston rods and
deposit in the correct orientation.
When assembling the pump head, the piston rods must be inserted on the
same side they have been removed from.
