Viega 8350.32 Instructions For Use Manual page 24

Mounting the drive unit
WC flush actuation
Open the corner valve for a few seconds to rinse the pipe.
Re-close corner valve.
Lead the panel into the cistern at an angle.
Align the right side of the holding panel with the shaft frame of the
cistern.
The hook on the right side of the holding panel must be positioned
on the projection of the shaft frame.
Handling
24 from 48