Hello All, From the description of the events, I would hazard a guess that the shaft seal was binding....... If a PSS, then the graphite discs -- regards, Robert Robert Perrin Hon. Secretary and Executive Officer ANZAAS The University of Adelaide ADELAIDE South Australia 5005 tel: +61 8 8303 4965 mob: +61 0407 742 203 www.anzaas.org.au