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Post by tkrueger3 on Oct 1, 2010 22:35:36 GMT -5
If anyone has an instruction manual or user guide for an old Lortone SA-8 grinder arbor unit, I would like to see if I can get copies of a page or two out of it. Not the whole thing, just the part (if there is one) about how to replace the bearings. If you might be able to help, please PM me.
Thanks,
Tom
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Post by jakesrocks on Oct 1, 2010 22:59:29 GMT -5
Tom, clean the ends of the bearings very good, and check to see if they're held in by snap rings. If so, remove them and try to knock the bearings out. It may be necessary to take the arbor to a machine shop, and have them pressed out. Save the old bearings. They have numbers on them that will be needed to buy replacements. Even if that brand of bearing is no longer made, stores that deal in bearings will have cross reference guides, and will be able to match your old bearings.
Don
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docharber
has rocks in the head
Member since October 2008
Posts: 693
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Post by docharber on Oct 5, 2010 21:16:15 GMT -5
Tom, you can contact Lortone and and I'm sure they will be able to help. Just google tyhem and call the customer service number. I understand they have good customer service. They might be able to eMail you a copy of the manual.
About the bearings, what Don said. Be careful not to tap the shaft6 directyly and risk splaying the end out. tap the bearign from the other side towards the end with gentle taps to the inner race- a block of hard wood can help- on alternating sides. And use lots of WD40 beforehand on a well cleaned shaft/bearing assembly. i recently had a fit trying to remove and replace bearings on my Gyroc, and had to g4ind the end of the shaft to get the splayed out ends off after tapping on the stainless steel shaft to get the bearing free of the detent in the plastic housing that holds it.
Mark H.
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Post by Toad on Oct 5, 2010 21:22:40 GMT -5
I think Lortone puts their manuals online, just print the pages you want.
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Post by johnjsgems on Oct 5, 2010 21:24:31 GMT -5
Tom, if it is the old slant front arbor it should be bearings in a rubber isolator with an outer cup cover held on with 4 bolts/nuts. The bearing is set screwed to shaft if I remember right. I replaced some a long time ago because they were noisy but new ones sounded exactly the same. Thin tin megaphone affect. Shaft stock is soft and easily dinged but easily filed also. Best to use sand paper cloth strips and polish all accessible areas of shaft and file any set screw dings before trying to slide the bearings. Any time I go to this much trouble I install a new belt also.
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