BSA Owners' Club Forum
The BSA Workshop => Singles => Topic started by: cdsdorset on 08 June, 2021, 12:39:03
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Does anyone have a name of someone they can recommend for a plunger gearbox overhaul.
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I've just done my plunger box, it wasn't a bad job at all really. They're simple units. Be methodical and pay attention to the details and you should have no trouble doing it yourself. I was sent some helpful tech sheets on here which gave some good figures for bearing clearances etc.
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Hi,
I'm collecting parts to start rebuilding a (dismantled) early M20 box. I've always been apprehensive of tackling gearboxes, but want to give it a go.
The info I've found useful preparation includes the technical section on the WD BSA site (and searching the forum), plus the BSA service sheets and the Haynes manual (post-war singles). Handy tips from the WD BSA site include using a sealed main bearing -even if removing the inner seal- to aid continence; and guidance on shimming the shafts, if necessary.
Mind you, I've not got my hands dirty with it yet... ::)
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I just decided to get my arse in gear and did it yesterday.