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Post by dangerousal on Mar 18, 2018 18:07:16 GMT 1
Does anybody, or has anybody sleeved a worn set of power valve bearing surfaces to recondition them, is this an approach that might work? If so what material to use?
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Post by Mr Kipling on Mar 18, 2018 20:59:26 GMT 1
if u mean popping in an insert for the pv bushes in the barrels then yes speak to Dave Reynolds or Stan Stephens...
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Post by dangerousal on Mar 18, 2018 22:21:31 GMT 1
Just exploring this really....I have ordered new valves for my build but seems to me if you machine down the worn surface s and sleeve with phosphor bronze or some such...it would avoid scrapping the old ones
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Post by lb on Mar 19, 2018 10:34:51 GMT 1
You could skim the pv shafts & machine up new bushes to suit shaft size for sure. But coupler surface between pv's can be an issue. Usually if pv that worn you can nearly garantee coupler is fubar too....unless you have tig skills.
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Post by dangerousal on Mar 19, 2018 11:27:09 GMT 1
Yes they are worn at the coupling....so...build up with Tig welder and reprofile.... surprised no one has come up with a solution for this...maybe a splined coupler...or a single bolt all the way through both valves..
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phil38
Thrash Merchant
Posts: 426
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Post by phil38 on Mar 19, 2018 12:18:55 GMT 1
Yep. I had some new “top hat” inserts made from phosphor bronze; I also had the PV journals tidied up so the inserts were matched to the journals.
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Post by ypvs400 on Mar 19, 2018 16:13:38 GMT 1
Yes they are worn at the coupling....so...build up with Tig welder and reprofile.... surprised no one has come up with a solution for this...maybe a splined coupler...or a single bolt all the way through both valves.. Replace the standard coupler with a quality Oldham coupling. |
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phil38
Thrash Merchant
Posts: 426
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Post by phil38 on Mar 19, 2018 16:54:38 GMT 1
Yes they are worn at the coupling....so...build up with Tig welder and reprofile.... surprised no one has come up with a solution for this...maybe a splined coupler...or a single bolt all the way through both valves.. Did the same. |
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Post by dangerousal on Mar 19, 2018 19:30:40 GMT 1
Yes they are worn at the coupling....so...build up with Tig welder and reprofile.... surprised no one has come up with a solution for this...maybe a splined coupler...or a single bolt all the way through both valves.. Did the same. I have a lc crazy coupler, what is and 'oldham' coupler? |
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Post by bare on Mar 20, 2018 2:49:16 GMT 1
Weld up messed bits at the coupler and heat shrink Steel tubes onto the PV's 'bearing' surfaces then Ream the oem Bushes to fit
You will only have to do it Once.
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