3
Performing Injectors Routine Maintenance
Maintaining an Instant Connect Helium Saver Injector (HeS-S/SL)
116
TRACE 1300 and TRACE 1310 Hardware Manual
Thermo Scientific
3. Ensure the
E
nable conservation
field in the configuration page of the inlet reads
Yes
.
4. Check that there is at least 20 mL/min split flow exiting the split line, then turn the
column flow to
Off
in the GC user interface and allow the inlet to depressurize.
5. Put the autosampler away if present.
6. Open the module flap cover.
7. Remove the top parts of the injector.
a.
Unscrew the septum cap of the injector.
b. Unscrew the ring nut.
c.
Remove the septum holder/liner cap with septum from the injector body head.
8. Replace the head body o-rings.
a.
Use tweezers to remove the body head internal and external o-rings, and replace them
with new o-rings.
9. Reinstall the top parts of the injector.
a.
Place the septum holder/liner cap with the septum on the body head of the injector
and fix it by screwing the ring nut.
b. Screw and tighten the injector cap to finger-tight.
10. Close the module flap cover.
11. If present, move the autosampler towards the module to restore the original alignment.
12. Wait two or three minutes for helium to purge the inlet.
13. Turn the inlet flow back on and enable the inlet heater.
14. Set the normal injector, detector, and GC working conditions.
Note
By pressing the
Maintenance
button, the GC cool down is automatically
carried out.
CAUTION
Do not overtighten the septum cap because you might damage the septum and
affect instrument performance.