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General Chat (Vincent Related)
Copper Inspection Cap washers (ET160)
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<blockquote data-quote="oexing" data-source="post: 177051" data-attributes="member: 1493"><p>Peter, I was just trying to show that rubber seals CAN produce a lot of friction when wanting to move anything like pushrod shrouds. Vincenteers like to push them down when lifting heads from cylinders - and then you have to add extra lube for lowering them. One reason why I selected o-rings down there. Certainly with o-rings on inspection covers I have the alu spacers around them for preventing them squeezing out, temperature is on the limit for NBR rings, Viton is safer in case of troubles, but don´t think so. At least no need for decent torque for securing the caps when an o-ring is used, quite unlike copper seals !</p><p> Many decades ago when on the way to Switzerland and a British bike meeting one of our bunch of riders had a 250 Triumph I think - and no shit - he lost one valve inspection cover on the road from vibes. Think he never found it and had to do some bodge for keeping oil inside. My guess there was no o-ring involved, rather a harder type of seal . . . .</p><p></p><p> Vic</p></blockquote><p></p>
[QUOTE="oexing, post: 177051, member: 1493"] Peter, I was just trying to show that rubber seals CAN produce a lot of friction when wanting to move anything like pushrod shrouds. Vincenteers like to push them down when lifting heads from cylinders - and then you have to add extra lube for lowering them. One reason why I selected o-rings down there. Certainly with o-rings on inspection covers I have the alu spacers around them for preventing them squeezing out, temperature is on the limit for NBR rings, Viton is safer in case of troubles, but don´t think so. At least no need for decent torque for securing the caps when an o-ring is used, quite unlike copper seals ! Many decades ago when on the way to Switzerland and a British bike meeting one of our bunch of riders had a 250 Triumph I think - and no shit - he lost one valve inspection cover on the road from vibes. Think he never found it and had to do some bodge for keeping oil inside. My guess there was no o-ring involved, rather a harder type of seal . . . . Vic [/QUOTE]
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Copper Inspection Cap washers (ET160)
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