Chatwood 5 spindle lock

Does anyone have instructions on changing the combination and a photo / drawing of the change key

Thanks jj

Jason would like to see pictures of this lock.

David Hovey wrote
Jason would like to see pictures of this lock.

That wasn’t the original question, but here are some images from http://www.historyoflocks.com/chat002.html –

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Oliver has some nice pics on his site…

And this is the change key…