4�7 Filling The Sandblasting Tanks; 4�7�1 Authorised Sandblasting Material; Operation; 5�1 Blasting Notes - Renfert Basic classic Manual Del Usuario

4.7 Filling the Sandblasting Tanks
Attention:
Never press the foot switch during filling.
EN
Even though the manometer may indicate pressure, the sand-
blasting tanks are only under pressure if the foot switch is
engaged.
• Add abrasive up to the maximum fill level (the point where the
tank jacket thickens just below the thread)�
• Reinstall the tank cover�
Before closing the tank, be sure to clean the threads in the
cover and the tank to remove any abrasive residue.
Caution: Do not tilt the tank lid when unscrewing.
Always use only clean, dry abrasive of the appropriate grain size
(refer to the accessories)�
The sandblasting unit is now operational.
4.7.1 Authorised sandblasting material
• Cobra (Renfert GmbH)
• Rolloblast (Renfert GmbH)
• ROCATEC (3M ESPE)
Sandblasting materials from other manufacturers may be used providing the grain size, grain shape and
degree of purity comply with the above mentioned materials�
The company Renfert GmbH assumes no liability for function and durability of the units if other sandblast-
ing material is used�
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Operation

• Switch the illumination on (5)�
If the membrane key is damaged or defect, please discon-
nect the device and send away for repair! If the membrane is
removed there is the risk of an electrical shock!
• Select the blasting tank at the selection switch (3, Fig� 1) (only
on the 2-tanks version)�
Do not operate the foot switch during tank selection.
• Take the respective hand piece from the selected blasting tank
(see coloured marking)�
• Activate the foot switch (21, Fig� 1)�
The sandblasting material will flow as long as the foot switch is activated.
5.1 Blasting Notes
Flat blasting with wide nozzles:
90003-1739
When blasting glass ceramics, refer to manu facturer's notes�
5.2 Cold silanization in the sandblasting unit
The Basic series of Renfert sandblasting units is exclusively recommended by 3M ESPE for use with
ROCATEC™� This bonding system is ideal if an adhesive bond is required between a composite and a
dental material (metal, acrylic, porcelain, zirconia porcelain)�
Advantage:
The surface film is applied cold, preventing thermal loading of metal frameworks and consequently the
risk of distortion� All units in the Basic series can be used for ROCATEC™ due to their regular, homoge-
neous jet flow.
1�5 x 3�5 mm [0�059 x 0�138 inch]
- 8 -
max.
5
Fig. 7
Fig. 8