When
Depending on the type of issue it might be required to replace needle seat and needle unit together or separately.
When | Remedial Action |
---|---|
Needle seat is clogged | 1. Run the script: C21 – Clean Or Replace Needle Unit And Seat 2. If the script does not remove the blockage: 3. Check needle unit for damages. |
Needle seat is leaking | 1. Tighten the needle seat with the torque screwdriver with needle seat bit. Also refer to Inspecting the Autosampler Valves for Leakage. If the needle seat is still leaking: 2. Replace needle seat, refer to Replacing Needle Seat. 3. Replace needle unit, refer to Replacing Needle Unit. |
Needle is damaged | Replace needle seat and needle unit together: 1. Replace needle seat, refer to Replacing Needle Seat. 2. Replace needle unit, refer to Replacing Needle Unit. |
Parts required
Needle unit
Needle seat
Tools required
Screwdriver, Torx T10
Torque screwdriver with needle seat bit
No. | Description |
---|---|
1 | Needle seat bit |
2 | Base part of the torque screwdriver |
TIP
It is possible to run a script to get step by step instructions directly at the device. Run the script: C21 – Clean Or Replace Needle Unit And Seat for more information.