Care and maintenance
contrAA 600
Edition 01/2014
65
intentionally been positioned askew, re-
move completely and start again.
16. Check the sealing rings of all three gas
connectors and replace if damaged.
17. Screw the long gas connector (arrow in
figure on left) (for the outer gas flow) trans-
versely from below finger-tight into the fixed
furnace part.
Attach the gas tube that is marked with a
white ring onto the long gas connector.
18. Screw the two short gas connectors (for the
inner gas flow) into the furnace jacket on
both sides.
Attach the two other gas tubes to the corre-
sponding gas connectors.
19. Screw in the covering screw at the rear of
the fixed furnace part by hand.
20. Attach the furnace window to the furnace
jacket and insert the pipetter insert.
Caution!
Similar markings at the furnace
windows must face upward.
21. Arrange a new electrode parallel to the
movable furnace part and secure it with the
inserting tool (small bracket). Insert the
electrode to the stop into the jaw using the
ratchet wrench.
Caution!
Do not tilt the electrode. It may
break!
22. Any graphite dust should be removed by
suction or blown away.
