Does anyone know the thread size of the gearbox sprocket retaining nut on a 5 speed Albion cam-barrel box? I suppose it may be the same size as other Greeves gearboxes, but I have no real idea. Any help would be greatly appreciated.
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If you haven't already found out the thread is 26TPI UNF form.
Druid -
Thanks Druid. Interestingly mine is 16 TPI, but I'm finding it difficult to measure the diameter because it is a five spline sprocket.Comment
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Kevin,
my source let me down, it is 16 TPI, he thinks the diameter is 1.25" possibly 1.1875". Apologies, you can't get the staff nowadays.
Druid
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Hi Druid
Is this the one with built in felt oil seal, I did have one somewhere.Comment
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Thanks for the update Druid, that makes sense.
Anglian Man, thanks for the input. What I'm trying to get hold of is part number G1134/30, the sprocket locking nut. It's about 1/4 inch thick, but doesn't have a built in seal. I've been unable to locate one so am trying to get its dimensions so that I can make one.Comment
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