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removing seat assembly?

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How to remove and replace chair assembly on stannah 420 to allow access of new furniture pass
KEITH HOLT, November 2016
http://stairliftinfo.net/stairlifts/questions/218/please-provide-installation-manual-stannah-sofia-stairlift

https://www.youtube.com/watch?v=BiSGtrVQj5g

May help, December 2016
link Click here to see other fixes for Stannah 420.