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Noisy gearboxes

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Noisy gearboxes
daveg Offline
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Joined: Aug 2017 Posts: 96 Threads: 3
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#36
31-03-2022, 08:01 PM
I took a while but I now have a quiet gearbox, I gave up trying to do it myself and took it to Andrew Bird the A7 gearbox specialist to sort out. It seems although it was an original nippy gearbox with the correct first motion shaft gears the layshaft gears had been replaced with an aftermarket one for some reason. The gear meshing pattern was good but it was a bit tight so Andrew fitted the gears in a scrap casing and ran it on a lathe with grinding paste for three hours - problem solved.

I know that the other gearbox I have has aftermarket gears so I suspect it has the same problem. Congratulations and thanks to Ian Williams who in reply 17 thought this was the problem but was confused by the fact that I thought it was a completely original Nippy box.
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Messages In This Thread
Noisy gearboxes - by daveg - 27-09-2019, 05:47 PM
RE: Noisy gearboxes - by Chris KC - 27-09-2019, 06:10 PM
RE: Noisy gearboxes - by daveg - 27-09-2019, 07:34 PM
RE: Noisy gearboxes - by Mike Costigan - 27-09-2019, 09:04 PM
RE: Noisy gearboxes - by Ian Williams - 27-09-2019, 09:22 PM
RE: Noisy gearboxes - by daveg - 27-09-2019, 10:49 PM
RE: Noisy gearboxes - by Tony Betts - 28-09-2019, 02:18 AM
RE: Noisy gearboxes - by Bob Culver - 28-09-2019, 05:43 AM
RE: Noisy gearboxes - by Chris KC - 28-09-2019, 08:46 AM
RE: Noisy gearboxes - by daveg - 28-09-2019, 10:44 AM
RE: Noisy gearboxes - by Tony Betts - 28-09-2019, 02:20 PM
RE: Noisy gearboxes - by Chris KC - 28-09-2019, 07:28 PM
RE: Noisy gearboxes - by Peter Naulls - 28-09-2019, 09:22 PM
RE: Noisy gearboxes - by daveg - 28-09-2019, 11:35 PM
RE: Noisy gearboxes - by Tony Betts - 29-09-2019, 01:57 AM
RE: Noisy gearboxes - by Ian Williams - 29-09-2019, 08:59 PM
RE: Noisy gearboxes - by Hedd_Jones - 30-09-2019, 07:06 AM
RE: Noisy gearboxes - by Ian Williams - 30-09-2019, 07:43 AM
RE: Noisy gearboxes - by daveg - 30-09-2019, 10:38 AM
RE: Noisy gearboxes - by Chris KC - 30-09-2019, 11:54 AM
RE: Noisy gearboxes - by Dave Mann - 30-09-2019, 03:18 PM
RE: Noisy gearboxes - by bob46320 - 30-09-2019, 04:24 PM
RE: Noisy gearboxes - by Dave Mann - 30-09-2019, 07:35 PM
RE: Noisy gearboxes - by Reckless Rat - 30-09-2019, 07:41 PM
RE: Noisy gearboxes - by Ian Williams - 30-09-2019, 08:03 PM
RE: Noisy gearboxes - by daveg - 30-09-2019, 08:42 PM
RE: Noisy gearboxes - by Ian Williams - 30-09-2019, 09:03 PM
RE: Noisy gearboxes - by daveg - 01-10-2019, 07:38 PM
RE: Noisy gearboxes - by Ian Williams - 01-10-2019, 08:46 PM
RE: Noisy gearboxes - by Bob Culver - 01-10-2019, 11:32 PM
RE: Noisy gearboxes - by Terrytuned - 02-10-2019, 12:15 AM
RE: Noisy gearboxes - by daveg - 02-10-2019, 08:57 PM
RE: Noisy gearboxes - by Bob Culver - 02-10-2019, 09:44 PM
RE: Noisy gearboxes - by Ian Williams - 02-10-2019, 10:15 PM
RE: Noisy gearboxes - by daveg - 31-03-2022, 08:01 PM

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