4�6 Filling The Sandblasting Tanks; 4�6�1 Authorised Sandblasting Material; 4�7 Adjusting The Operating Pressure; Operation - Renfert Basic quattro Mode D'emploi D'origine

4.6 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.
4.6.1 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�
4.7 Adjusting the Operating Pressure
• Activate the foot switch�
• Set the sandblasting pressure at the pressure regulator (5)�
• The pressure display is shown on the manometer (6)�
During longer downtimes, the pressure within the blasting tanks
will reduce� By short activation of the foot switch the set pressure
within in the blasting tanks will be restored�
5

Operation

• Switch the illumination on (3)�
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 (1, Fig� 1)�
• Take the respective hand piece from the selected blasting tank
(see coloured marking)�
• Activate the foot switch (22, 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�
1�5 x 3�5 mm [0�059 x 0�138 inch]
- 8 -
max.
6 5
3
Fig. 6
Fig. 7
Fig. 8