Ivoclar Vivadent 747832BU Operating Instructions Manual page 86

7. Maintenance, Cleaning and Diagnosis
Step 4:
Open the furnace head with the OPEN FURNACE HEAD key. Once
the furnace head is wide open, switch the furnace off, disconnect
the power plug, and allow the furnace to cool to room
temperature.
Step 5:
Pull the press plunger (65) with slightly rotating movements from
the split taper socket (63) with one hand and pull down the press
plunger with the other hand.
Contraindication:
Do not touch the thermocouple when replacing the press
plunger.
Step 6:
Push the white press plunger (65) with the taper ahead into the
guide bush. Push the press plunger with slightly rotating movements
into its split taper socket (63) and fasten the screw (64).
Note:
The furnace must only be operated with the press drive
cover mounted!
Contraindication:
Never touch the press drive during operation. There is a risk of
burning and crushing.
Step 7:
Place the press drive cover (A) and fasten it with the screw (C).
Step 8:
Connect the power and switch the furnace on.
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