Maintenance
65
The O-ring (
1
) at the top of the combustion tube is now accessible:
Fig. 23: O-ring at the top of the combustion tube
4. Remove the O-ring (
1
) at the top of the combustion tube.
5. Apply a thin layer of high vacuum silicon grease (Part No. 92610) to the inside of the new
O-ring (Part No. 70380).
6. Apply a thin layer of high vacuum silicon grease (Part No. 92610) to the outer surface of the
combustion tube on which the new O-ring will be placed.
7. Insert the greased O-ring at the top of the combustion tube.
8. Insert the furnace cleaning system again, see
Replacing the furnace cleaning brush and
”.
9. Plug in the power plug and turn the main switch on the analyzer to Position 1.
The O-ring at the top of the combustion tube on the analyzer has been replaced.
10.1.9.2
Replacing the O-rings at the bottom and in the bottom furnace locking device
Replace the O-rings at the bottom of the combustion tube and in the bottom furnace locking
device 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
“.
1
