Maintenance
67
The following diagram shows the O-ring (
5
) in the bottom furnace lock:
Fig. 26: O-ring in the bottom furnace lock
9. Remove the O-ring (
5
) from the bottom furnace lock.
10. Apply a thin layer high vacuum silicon grease (Part No. 92610) to the outside of the new O-
ring (Part No. 70380).
11. Insert the greased O-ring in the bottom furnace lock.
12. Insert the furnace lock (
1
) and screw the wing nuts (
2
) and (
3
) on the bottom furnace lock
tight.
13. Insert the furnace cleaning system again, see
Replacing the furnace cleaning brush and
”.
14. Plug in the power plug and turn the main switch on the analyzer to Position 1.
The O-rings at the bottom of the combustion tube and in the bottom furnace lock of the
analyzer have been replaced.
10.1.9.3
Replacing the O-rings on the furnace seal
The O-rings must be replaced when they no longer provide an adequate seal due to damage or
age.
Replace the O-rings on the furnace seal of the analyzer as follows:
1. Turn the main switch on the analyzer to Position 0 and pull out the power plug.
2. Wait until the analyzer has cooled down sufficiently.
3. Remove the furnace cleaning system, see
Replacing the furnace cleaning brush and
”.
5