To Replace A Needle In A Syringe - Agilent Technologies 7820A Manual

7
Maintaining the COC Inlet

To Replace a Needle in a Syringe

140
Gather the following (see
1
injections onto 0.25-mm fused silica columns," on page 121):
• Syringe barrel
• Needle, 250-µm or 320-µm
2 Unscrew the syringe barrel cap and remove the spring.
Make sure that the needle has the PTFE disk as shown below.
3
If the syringe barrel does not have the PTFE disk, use the
instructions in the syringe box to wrap the needle.
Plunger
Barrel
Needle
Spring
Cap
Check the new needle for a small wire inserted for shipment.
4
Remove the wire if present.
5 Slide the spring and the cap over the needle.
6 Insert the needle into the syringe barrel.
7 Screw the cap back on the syringe barrel.
Table 15, "Recommended parts for
PTFE disk
Stop
Needle
Maintaining Your GC