23
22. Opening chambers
⋅ Pull locking lever towards oneself and wait until the
gauge declines to 0 bar. By swivelling the lever to the left
unlock the chambers.
Now they can be swivelled open.
23. Use pliers to take out muffle
5.5 Casting without temperature measurement with precasting
1-14. perform preparational jobs,
excluding item 11.
⋅ see chap. 5.1 „Start here…“
15. Tighten chambers
⋅ Don’t swivel lock lever upwards (vertically)
and don’t press in direction to the machine.
16. Metal pre-heating
⋅ Set step switch to „1“ and turn rotary switch from „0“ to
"max=10" – LED’s yellow and green are "ON" .
Watch the procedure through the casting window.
17. Take muffle off the preheating
furnace and place it in the middle of
the muffle chamber
⋅ If the single metal objects flow together,
open muffle chamber (7) and take muffle off the furnace
⋅ Support plate must be clean
(Insert insulating and centering tool first, chap.5.1)
18. Close muffle chamber (7)
⋅ Muffle may not shift, close chamber as far as it will go
19. Continue melting
⋅ During melting process a performance reduction and
Argon rinsing can at any time be reached with the Argon
key, however a full vacuum is the condition for doing
casting!
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