All you had to do Tony is to click on the posters name and the photo is there for all to see.
Use a spanner on the hex part and turn anti clockwise while holding the body and it will come apart to expose the internals.(dont forget to turn off 1st)
Armitage Shanks Supataps do not take a conventional tap washers.
http://www.toolstation.com/shop/Plumbing/Washers+Fixings/Supa+Tap+A+Washer/d20/sd2703/p17498
We still stock them. Quite a few local authorities fitted Supataps.i'm amazed these are still available/required after all this time
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