Viega 8611.2 Instructions For Use Manual page 15

Urinal flush plate for Prevista Visign for Style 21
▶ Turn the safety rings 90° anti-clockwise.
▶ Turn the retaining bolts 90° anti-clockwise.
▶ Turn the sleeve 90° clockwise to unlatch it.
▶ Loosen the installation frame.
Handling
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