Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Ken,Not sure if this might be useful but many years ago I wanted to re-furbish my Lake and Elliot Trojan trolley jack which was failing due to deterioration of seals (I bought it new in the early 80's). My seals were special and most places needed an order of 1000 units. I contacted Barnwell services in Birmingham and they made some for me. Might be worth a call or email (web site http://www.barnwell.co.uk/) They were very helpful and not expensive either.IanThis is the story of the jackhttp://www.stallard-engineering.co.uk/stories/other/Trolley%20Jack.htm
O-Rings arrived today for the oil pump. The difference between the old and the new when laid side by side or over the top of each other is noticeable. I got 3 different sizes for the O-Ring under the cap and the one I thought it would be wasn't the best fit. It did fit but wasn't to my liking, I think I've got the clearance bob on, with the cover laid in place with no O-Ring fitted and it turned you can hear metal to metal contact, with an O-Ring in place you cannot so it's clearly holding the surfaces apart. I'll send a complete set to a mate who's running this type of oil pump and ask him to test them to see if they leak. As the large O-Ring and the smaller dowel O-Rings are the exact size I'm not expecting any problems, the relief valve one is also a very good fit but is a close size not the exact size, that should be ok but I've got a quote for some specially made the exact size needed and the price difference is 2p so might as well go for the exact size, it's the cover ring I want to check, just to be safe. If they work as expected I'll sell a complete kit for the 500/550 oil pump for £10 inc P&P. If anyone wants some O-Rings for the 3 oil gallery plugs on the lower crankcase, I'll be selling them as well (not the one behind the generator, that's a different size, 91319-300-000, 8 euros at CMS, £9.94 at DS), part number 91315-044-000, seems to fit all the fours. CMS are charging £2.06 each, DS £2.04 each, plus P&P which we all know makes these bloody expensive if that's all you need. I'll do all 3 and include the one behind the generator so all 4 for £6 inc P&P.I'll also being having some tappet cover and inlet manifold O-Rings made, the EXACT size, not as close as you can buy off the shelf like most Ebay sellers, 8 for £5 inc P&P or 12 for £8 inc P&P. I'll let you know when all these offers are available.