The BSA A7-A10 Forum
Technical (Descriptive Topic Titles - Stay on Topic) => Frame => Topic started by: Mtrower on 05.06. 2020 20:24
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new spring for the main stand came today the one that came with the bike was for the swing arm model ,is there a trick on fitting them or am i just making a simple job hard work
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Built mine up with lots of washers inserted between coils to stretch it out for fitting. Other than that some sort of lever/grip?
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I found it harder than expected - I ended up stretching the spring with an improvised lead screw, then using coins to keep it long, fitting it and then pulling each coin out in turn!
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not had to do that for years but when I did it was a long piece of wire and pull with it securely fastened at my end and stand end, or take stand off, fit spring and muscle the bolt or whatever is pivoting it back in the holes *work*
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I have just done this and used Trev's suggestion from an earlier post to use washers to stretch the spring out - I set the spring up in the lathe between the chuck and tailstock, then just wound the tailstock back past the req'd distance, then pushed a washer into each coil of the spring (needed one in every coil too!), pulled it off and fitted snugly onto the stand and frame pegs, then pulled the stand down and all the washers dropped out ;)….
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I disconnect the stand, fit the spring then use the stand as a lever. ONLY if the bike is supported correctly. First thing I fit to a newly painted frame.
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Yes, I did the same. I also tie-wrapped the lower spring end on (plunger A7) to stop that slipping off.
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Hi All,
I have had success fitting centre stand springs by attaching some strong wire to the spring eye at the stand end
tie the wire around the rear tyre, rim and spokes near the bottom of the wheel , rolling the wheel will stretch the spring
and it can usually be hooked onto the stand easily,
It has worked well on A10's, but may not work on all bikes depending on spring location
John
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Thanks for all the suggestions tomorrow got the day to myself and a spring
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I disconnect the stand, fit the spring then use the stand as a lever.
Ditto
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I disconnect the stand, fit the spring then use the stand as a lever.
Ditto
Works on a swingarm but not on a plunger
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Went with jules info put in the lathe and packed with washers being a stainless spring made it a little harder
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Finally got mine on by spreading it and inserting 20c pieces. Still involved lots of cots/toys/throwing though *problem*. As a matter of interest, does anything go in the hole on the stand lug to hold the spring on, or is it just tension and luck?
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No hole on my s/a stand SF, there is just indents in both bosses that the spring loops sit it, from then on its just tension, which is pretty high, you must admit!!
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I made up a spring stretcher from a good size bolt & a couple of pieces of scrap plate,
one plate welded to the blot head & the other free to move between the 2 nuts,
Cheap & much easier than searching for the coins that go flying in all directions & can be used for other applications.. *idea* *good3*
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As a matter of interest, does anything go in the hole on the stand lug to hold the spring on, or is it just tension and luck?
A stud and a locknut.
An old tappet adjuster has the same diameter and thread so perfect for the job.