dismantle

https://www.flickr.com/photos/27466575@N03/51067975588/in/dateposted-public/ I am replacing the Inlet Hose with its built-in valve (Aquastop). So far I've removed the rear, side and (outer only) rear panels. But the Inlet hose connects inside the machine. I think I need to get behind the...

I want to remove a swan neck fitting from the top of a cast iron soil stack which is about 4"/100 mm diameter. This piece attaches to the vertical stack with a lead-sealed socket joint (see sketch). How can I dismantle this joint? I don't want to damage any of the main vertical pipe, including...