Agilent Technologies 7820A - To Replace the Needle Support Assembly in a 7683 B Injector

Maintaining the COC Inlet 7
Maintaining Your GC 137
To Replace the Needle Support Assembly in a 7683B Injector
1 Gather a 7683B needle support assembly for injections onto
530-µm or 250/320-µm columns.
2 Remove all vials and bottles from the turret, and disconnect
the injector cable from the GC.
3 Open the injector door.
4 Remove the syringe.
5 With your finger under the shaft near the bearing on the
needle support assembly, pull gently to release the bearing
from the bearing clip in the syringe carriage.
250 µm/320 µm
(G2913-60978)
530 µm
(standard, G2913-60978)