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Author Topic: Dapol Easi-Fit/Shunts spring fitting  (Read 1392 times)

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Offline Paul-H

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Dapol Easi-Fit/Shunts spring fitting
« on: December 15, 2017, 06:15:18 PM »
Hi all

I have some Easi-Shunts that have lost their springs, now although its nice that Dapol supply a few spares with each set of couplings, how the hell are you supposed to fit them

Anyone got any tips, other than don't bother trying ;) 

Thanks

Paul
Please excuse any poor spelling, I am Dyslexic, just think yourself lucky if you can actually read what I typed.

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #1 on: December 15, 2017, 07:21:16 PM »
I find it helps to put a dab of varnish on one of the pips, then put the spring on that pip and leave the varnish to dry. Now, if you slip when trying to get the spring on the facing pip, the spring shouldn't go shooting off in to the void.
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Online RailGooner

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #2 on: December 15, 2017, 11:42:37 PM »
I thread a piece of cotton through the spring before trying to fit as it stops the carpet monster eating it and also helps to position the spring in the correct place

I might give that a go next time, as the varnish method isn't infallible. :beers:
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Offline LAandNQFan

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #3 on: December 15, 2017, 11:48:23 PM »
Do it inside a large clear plastic bag, and then if it slips it won't be hiding in the carpet.
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Offline johnlambert

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #4 on: December 16, 2017, 09:37:14 AM »
I place the spring on the end of a cocktail stick and use that to transfer the spring onto one of the pips. It takes practice to get it right, the first time I tried it seemed impossible.

I wish I had thought of doing the spring replacement in a plastic bag, it would have saved me a few lost springs.

Offline Portpatrick

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #5 on: December 16, 2017, 11:32:12 AM »
I once had an afternoon when I refixed about 6.  Never managed any since!!  Some good ideas here.  I must adnit I blanch at the thought of trying to thread cotton through them.  But the varnish approach and using plastic bags seem sensible.  I have about 12 others - short and medium as those are the ones I use - that I want to restore.  That is over £25 of couplings so worth attempting.

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #6 on: December 16, 2017, 07:55:54 PM »
I must adnit I blanch at the thought of trying to thread cotton through them. 

I should have mentioned that I thread a needle first and pass the needle through the spring.

 :goggleeyes: Like threading a needle will be any easier than threading a spring for my tired old eyes. :D
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Offline NinOz

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #7 on: December 17, 2017, 12:00:45 AM »
Shouldn't there be some mention of a rich camel in the above instructions? ???
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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #8 on: December 17, 2017, 09:11:13 AM »
Someone on here mentioned putting a tiny amount of super glue on one end of a cocktail stick and putting a tiny dab on one end of the spring to stop.it falling out .I NOW HAVE SEVERAL.COUPLINGS THAT DONT WORK because I dont have a steady enough hand ,a very expensive mistake still you live and learn . Ive learnt that things like that are beyond my capabilities .never mind I could have done the whole packet then this would have been posted in the VERY VERY UPSETT THREAD.
Bob Tidbury

Offline Portpatrick

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #9 on: December 17, 2017, 04:38:00 PM »
Valid point Bob, as one who suffers from (worsening)Essential Tremor.  I was amazed I had that afternoon when I restored so many.  I admit I have not tried the superglue or varnish approach yet.  The combination of tremor and eyes which don't adjust as well as they did years ago do not help.  I may not be alone among myopic people in finding that soon after I have a new pair of varifocals the close up adjustment needed changes again!  And at over £400 a pair (varifocals with high optical density lenses to avoid needing coke bottle tops for distant vision) I cannot go too often. 

Offline Yet_Another

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #10 on: December 17, 2017, 11:15:18 PM »
I may not be alone among myopic people in finding that soon after I have a new pair of varifocals the close up adjustment needed changes again!  And at over £400 a pair (varifocals with high optical density lenses to avoid needing coke bottle tops for distant vision) I cannot go too often. 
Hypermetropia is just as much fun. I make do with three pairs of glasses - strong, very stong and ouch.
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Offline Paul-H

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #11 on: December 20, 2017, 10:16:05 AM »
Thanks for the replies guys

I managed to replace the springs in the two that had lost them

My method was to use an Optivisor with a x10 lens fitted

Pick up the spring with the tip of a pointed magnetised scalpel blade and inset it onto the long pip on the movable knuckle and hold it in place with tip of finger on hand that was holding the knuckle then using the tip of the scalpel blade move the other end of the spring in place on the other recessed pip
 
Place a strong magnet on the work top to catch the first 5 springs dropped before I perfected the technique  ;)

Hope this helps others

PS don't be tempted to use strong Neodymium magnets to uncouple them as they are strong enough to pull the springs out of the coupling,
Please excuse any poor spelling, I am Dyslexic, just think yourself lucky if you can actually read what I typed.

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Offline SheldonC

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #12 on: March 17, 2018, 12:46:18 PM »
 :thankyousign:  I came to this thread looking for advice on using neodymium magnets for uncoupling instead of digging up relatively large areas of 4-Foot.  I found all of these comments potentially very helpful in dealing with the few couplers I have that have lost their springs.  Now, does anyone have any suggestions on how to disentangle the replacement springs from each other, please?

Offline Caz

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #13 on: March 17, 2018, 12:48:45 PM »
I use a small scalpel and a couple of toothpicks, it's very fiddly but does work.  Gently roll the intertwined springs backwards and forwards and they slowly start to separate.  Once I get one starting to separate I trap it with a toothpick and roll the others away.

Offline Paul-H

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Re: Dapol Easi-Fit/Shunts spring fitting
« Reply #14 on: March 17, 2018, 03:20:15 PM »
What I have started doing is as soon as I get some new springs I take them out of the bag before they get tangled and feed them onto a pin, ten stick the pin into a bit of foamboard, then keep them in a bag ready for use, unless they arrived tangled then I end up destroying them trying to untangle them.  I do find the ones supplied with the couplers are generally ok, it's the ones supplied on their own that give me more issues, it's because they are in a bigger bag so can easily move around and get tangled, the ones supplied with the couplers are in a very small bag so don't move about too much.

Have managed to get to grips with fitting them though and often get it done in one go now, lost quite a few springs whilst honing my technique though.
« Last Edit: March 17, 2018, 03:24:04 PM by Paul-H »
Please excuse any poor spelling, I am Dyslexic, just think yourself lucky if you can actually read what I typed.

All tiepin as bean spell chequed on mi Pea Sea

 

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