Maintenance
60
9. Pull the furnace cleaning system out from the top by the support (
14
).
Make sure not to bend the rods (
7
) and (
10
) and not to damage the combustion tube.
10. Hold the furnace cleaning brush holder (
15
) firmly and twist the thermal shield (
16
) off.
11. Remove the furnace cleaning brush (
18
).
Dispose of the furnace cleaning brush (and the thermal shield where necessary) in
accordance with local regulations and provisions.
12. Insert a new furnace cleaning brush (Part No. 14045) and a new thermal shield where
necessary (Part No. 14072).
The thermal shield must be replaced if it is too contaminated or damaged. Check whether
the purge drilled hole is clean and unblocked.
13. Insert the furnace cleaning system again from the top.
14. Check that the top end plate of the furnace (
11
) is resting on the O-ring.
15. Evenly tighten the wing nuts (
8
) and (
12
) on the top end plate of the furnace.
16. Tighten the knurled nuts (
6
) and (
13
).
17. Connect the gas hoses to the gas connectors (
5
) and (
9
).
18. Install the furnace lining (
2
) using the Allen screws (
1
), (
3
) and (
4
).
19. Plug in the power plug and turn the main switch on the analyzer to Position 1.
The furnace cleaning brush and thermal shield on the machine have been replaced.