3
Performing Injectors Routine Maintenance
Maintaining an Instant Connect Helium Saver Injector (HeS-S/SL)
Thermo Scientific
TRACE 1300 and TRACE 1310 Hardware Manual
113
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. Remove the liner.
a.
Using tweezers, remove the liner with the liner seal (o-ring) from the injector.
9. Replace or clean the liner.
• If you are going to clean the dirty liner, go to
• If you are going to use a new liner, go directly to
.
10. Clean the liner.
a.
Put the liner into an ultrasonic cleaner filled with a methanol/acetone mixture (1:1).
b. Sonicate the liner for about half an hour.
c.
Using tweezers, remove the liner from the bath and dry it with compressed clean air.
11. Install the liner.
a.
Hold the new (or cleaned) liner with tweezers place a new liner seal over the liner.
b. Insert the liner into the injector, and push it gently towards the bottom of the
injector.
12. 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 septum cap to finger-tight.
13. Close the module flap cover.
14. If present, move the autosampler towards the module to restore the original alignment.
15. Wait two or three minutes for helium to purge the inlet.
CAUTION
Do not overtighten the septum cap because you might damage the septum and
affect instrument performance.
