Replace The Injector Needle And Seal Pack - Waters Alliance e2695 Operator's Manual

7.6.3

Replace the injector needle and seal pack

Replace the injector needle and seal pack when these conditions apply:
• The needle is bent.
• The tip of the needle is damaged.
• Contaminant peaks appearing in the chromatogram cannot be corrected by changing the
wash solvent in the needle wash system.
Tip: For information about isolating problems in the sample management system, see
The procedure for replacing the needle and seal pack involves these tasks:
• Removing the injector
• Removing the seal pack and needle
• Removing and replacing the needle
• Installing the new seal pack and/or needle
• Installing the injector
• Adjusting the seal pack
Required materials
• Screwdrivers, T-10 and T-20 TORX
• Wrenches, 5/16-inch, open-end, two
• Squirt bottle with 100% alcohol (methanol or isopropanol)
• Screwdriver, #2 cross-head
Required kits
To replace the seal pack, you need one of the following kits:
• Seal Pack Assembly and Needle Kit (includes an assembled seal pack, replacement
needle, and instructions)
• Seal Pack Seal Replacement Kit (includes seal pack seals, frits, replacement needle, and
instructions)
February 27, 2018, 715003794 Rev. C
Page 141
Chapter 8.