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J&S 540 help

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David Clark 1	25/12/2015 12:04:49
3357 forum posts 112 photos 10 articles	Hi Mark C mostly steel, a lot of it hardened to rockwell 55c I think. All hardened sewing machine components. Silicon carbide was good for cast iron.
Christopher Murphy	23/02/2017 22:02:58
1 forum posts	I have a J & S 540 with sealed for life ball bearings. I am having problems with finish even though I dress the wheels, I am getting ripple on surface. I have tried several different wheels but is always the same. I do not have a balancer.. I have a very old Churchill about same size but never had this problem.
Neil Wyatt	24/02/2017 18:26:10
19226 forum posts 749 photos 86 articles	Hello Christopher Welcome to the forum. This is an old-ish thread, if you don't get a reply soon it might be worth starting off a new thread to re-ask your question. Neil
Mike Jay	26/08/2019 23:28:10
5 forum posts	Hi would anyone like to share the manuals for the 540 with me. Would be much appreciated. thx

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