3
Performing Injectors Routine Maintenance
Maintaining a Split/Splitless Injector with Backflush (SSLBKF)
98
TRACE 1300 and TRACE 1310 Hardware Manual
Thermo Scientific
1. Put the GC in standby condition.
2. Cool the oven and injector to room temperature.
3. Turn the carrier gas off, and wait for the carrier pressure to go to zero.
4. Put the autosampler away if present.
5. Open the module flap cover.
6. 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.
7. Remove the broken liner.
a.
Use tweezers to remove the upper part of broken liner with the liner seal from the
injector.
8. Remove the bottom parts of the injector.
a.
Inside the oven, unscrew the capillary column retaining nut, then remove the
analytical column with its ferrule from the bottom of the injector.
b. From the bottom of the injector, unscrew the retaining nut with the washer and the
base seal. Glass splinters from the broken liner will fall from the injector.
c.
With the aid of a pipe cleaner, remove the possible glass fragments from the
vaporization chamber.
9. Reinstall the bottom parts of the injector.
a.
Reinstall the analytical column.
b. Reinstall the retaining nut with the new washer and the base seal (if necessary replace
the base seal with a new one).
10. Install a new liner.
a.
Holding the new 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.
11. 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 them by screwing the ring nut.
b. Screw and tighten the injector cap to finger-tight
Note
By pressing the
Maintenance
button, the GC cool down is automatically
carried out.