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SKF Speedi Sleeves

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iceni View Drop Down
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    Posted: 26 Oct 2018 at 18:18
While considering what to do about a friends Ariel 2 stroke crankshaft which has 2 deep grooves where the oil seals run, I came across these sleeves, made by SKF.  They’re made from stainless steel, and having a wall thickness of only about 0.011” 
the standard seals can be used.  Ive ordered 2 from Simply Bearings to cover the length of the shaft and it’ll be interesting to see how they work out.  Not cheap, (£23 each) but a lot cheaper than an exchange crankshaft, or getting involved with machining / metal spraying.  In case anyone’s interested, I’ll report back when I’ve fitted them.  Apparently they’re only suitable for surfaces on which oil seals run, and can’t be used to secure a bearing.



Edited by Brian UK - 26 Oct 2018 at 23:28
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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 19:24
Simple enough idea, wonder if they will be hard to fit.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jerry atric Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 19:29
I would be very interested to see the results. What a great thing. Do you fit them with bearing lock?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote red leader one Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 19:31
I can't see them.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote red leader one Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 19:35
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iceni View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iceni Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 19:42
They’re supplied with an installation tool which is basically a cup, and according to wot I red, no loctite is necessary. They do, however, suggest that if the grooves in the shaft are deep, they should be levelled using a filler, and the sleeve fitted before the filler sets.
Each sleeve has a flange which can be removed after fitting if a plain sleeve is required.  The diameter of the shaft in my case is 1.373”, and the sleeves I’ve ordered cover a minimum dia. Of 1.371” to 1.379”.  As I say, it’ll be interesting to see how they work.  I was going to buy an off cut of stainless to make a single sleeve myself, but took the easy way out!
By the way, there’s another make which is about half the price of the SKF component. RLO, yes, they be they.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tarquin Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 19:49
SKF have a good reputation George so I would be buying theirs.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote George S Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 20:15
Looks like a good idea. Have just stripped Zigolo engine and seal shaft is worn. Would be interested in your opinion after fitting.
Simply bearings also sell Sturdi shaft seals at about half price of SKF
George
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iceni View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iceni Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 20:21
I considered the Sturdi sleeves, but as it’s going on the crankshaft, in the end went for the known make, based on reputation for quality.  I hope.....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 21:41
Wish they had been around 50 years ago.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BondEquipe Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 23:26
You might want to change the heading to "Speedi sleeves".  Some of us are easily confused!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2018 at 23:28
Done.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2018 at 10:22
Aha, so it was the seals after all!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iceni Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2018 at 11:46
Jury is still out on this one Ian. Engine 
now stripped and the grooved journal is
All I’ve found. Owner told me yesterday 
that he wasn’t sure about the ignition switches. (!)
Sleeves arrived this morning and they look 
good.  Just need to pluck up courage to
whack em on!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2018 at 11:55
Switches plural? I'd be tempted to bypass them/it and run a wire straight from the battery to the coils (with a fuse of course). You will be aware how hard the coils are to access......

Maybe what he's referring to is the fact that the ignition and light switches are interconnected to bring in extra alternator coils when the lights are on.
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