Varian 450-GC, User Manual

Page: 83 / 205

AutoSamplers
Varian, Inc. User Manual 450-GC Page: 143
Installation of the SPME mode:
1. Turn off the main power switch and unplug the power plug.
2. Manually rotate the Sampler Tower so that it is over the GC. It is best not to
place it over an Injector since the Injector may be hot.
3. Open de tower's clear plastic door and remove the syringe.
4. Remove the syringe bracket (3 screws).
5. Push the Injector’s plunger-head holder downwards.
6. Push the syringe sled down as far as it will go.
Once the syringe-guide foot t ouches the top of the gas chromatograph,
gently compress it fur ther. Observe the white switch, which wil l be just
exposed once the sled has reached it s maximum downward travel.
Injector plunger
Head holder
Syringe bracket
Syringe bracket screws
Push sledge down
until switch appears
Set to SPME
(UP-position)