
3
Advanced Maintenance
Replacing the Calibration Gas Components
Thermo Scientific
ISQ 7000 Hardware Manual
367
8. Disconnect the electrical cable from the connector.
9. Use a T20 screwdriver to remove the four screws holding the transfer line to the chassis.
10. Remove the two standoffs holding the transfer line to the chassis
11. Pull the transfer line straight away from the instrument so you do not damage it. Make
sure the o-ring is removed as well. Replace the o-ring, if necessary.
12. Attach a new transfer line.
13. Hold the delivery tubes with forceps as you remove the old transfer line and attach the
new transfer line.
14. Reattach the screws and standoffs holding the transfer line to the chassis.
15. Reconnect the electrical cable to the connector.
Figure 417.
Disconnecting the Transfer Line Electrical Cable
Note
There are tubes in the manifold that conduct gas to the mixing chamber. Make sure
the tubes are attached to the transfer line and mixing chamber before proceeding.
Figure 418.
Reconnecting the Transfer Line Electrical Cable and Screws
Connectors
Electrical
Cable
Screws
Electrical
Cable