The BSA A7-A10 Forum
Technical (Descriptive Topic Titles - Stay on Topic) => Frame => Topic started by: LJ. on 23.09. 2009 10:34
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Second time in recent days...
Cleaning the wheel rim & spokes a couple of weeks ago I noticed the rear wheel sliding side to side on the axle, so I removed it to investigate. Seems that the bearing retaining screw had come loose even though it is a left hand thread. I tightened it up only to find that it quickly come undone again, so this time its a squirt of thread lock. Is this a common problem although it has not happened on my other A10?
Best to check yours as this completely surprised me, thanks to regular cleaning, a lot to be said for that.
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Yes it 's a common problem and can easily happen if you don't use loctite. Also you can buy the tool to tighten the retainer on ebay and that helps get it tight enough.
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Hi Lawrence,
I've never experienced that before and I am running four BSA's with the same type of hub as yours.
Anyway, I'm guessing that maybe the threads are worn. If I remember correctly the retainer is aluminium with very fine threads. Even though you have used thread lock it might be a good idea to get a replacement item and replace the troublesome one if and when required.
All the best,
Beezageezauk.
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Hi All,
I have had this problem happen to my SR and it also happened another I Kknow of
Even though I had made a good fitting peg spanner for it, held this in the vice and used the wheel as a lever *ex*
In my hub there is a wee hole to take a locking pin, fitted this and no further problems *smile*
Cheers
John
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As John noted, a very small hole and a split pin ( Or R clip) is the definative answer.
Bearing retainers seem only to come in 2 catagories.
Corroded in place and impossible to remove without breaking it
or
sloppy with just about all of the threads worn off.