Hello.  I have a Weber Duo-Art upright with a six-bellows pump (one
leather valve in aspiration and another in exhaust).

Before to start with the rebuilding of the pump (the vacuum goes
up and down) I would like to find instructions for this operation.
Can you help me?

Best regards
Mario Solimbergo
Italy

 { See the photo at http://mmd.foxtail.com/Pictures/  -- Robbie