tecnodent SERENITY NEXT Mode D'emploi page 40

3.4.2. Position choice and stability.
To ensure a good chair installation, please verify the stability and flatness of the floor in the location where the product will be
installed: if necessary, a damaged or unstable floor should be repaired.
The chair is designed to remain stable without floor fixing.
To reach that aim, it is provided with four adjustable feet (figure 4) to level the base in case of slightly odd surfaces.
The product is designed for stationary installation.
Upon request at the moment of the order, as an alternative to the levelling feet is however possible to equip the chair with braked
castors, which allows short range movements. For further detail refer to chapter 7.
NOTE.
The levelling operation must be conducted during the installation phase.
FIG. 4
WARNING.
Tecnodent declines all and any responsibility for damage caused by the non-compliance with the above
instructions.
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Operating instructions