Maintenance
Agilent Electrothermal Temperature Controller ETC 60 User’s Guide
43
2
If the ETC 60 has been operating, allow the workhead to cool down to ambient
room temperature.
WARNING
Sharp Objects
Broken glass can cause severe cuts to hands. Handle the workhead with
care, as the sidearm of the quartz tube is fragile and easily broken.
3
Carefully disconnect the black fluoroelastomer tubing from the inlet of the
absorption cell.
4
Undo the latches on the ETC 60 workhead cover and open the cover.
5
Remove the absorption cell from the workhead.
6
Carefully place the replacement cell into the workhead. Ensure that the inlet
stem is located in the groove at the front of the workhead.
7
Carefully close the workhead cover and secure the latches.
8
Reconnect the black fluoroelastomer tubing from the outlet of the VGA gas-
liquid separator to the inlet cell stem taking care not to shift the workhead
position. If necessary, reoptimize the workhead position using the burner
adjuster controls.
9
Reconnect the mains power cable to the ETC 60 temperature control module.
The system is now ready for use.
Removing the Workhead
WARNING
Hot Surface – Electrical Shock
The workhead will be very hot, and contact with it could cause severe burns.
Always ensure that the workhead is allowed to cool before attempting to
remove it from the sample compartment.
The ETC 60 MUST be switched off at the power switch, and the mains cable
disconnected from the mains supply BEFORE any attempt is made to
remove or replace the workhead, or the cables connecting the workhead to
the Temperature Control Module.
