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Post subject: MIM Classic Player Jazzy-trem arm grub screw fallen out!
Posted: Sun Apr 14, 2013 9:17 am
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So the little grub screw that the trem arm screws up to fell out inside the trem cavity today.

I know why this happened....I use some of those tiny little springs to keep the term arm stable (it moves about in the threads otherwise). Over time the spring becomes compressed and requires another turn on the trem arm to tighten things up again and this obviously unscrewed the grub screw which eventually fell out the otherside.

Has anyone experienced this?

Anyone used any Locktight on there before to stop it moving about?

The fitting of the trem arm on this model is pretty poor, need to try some PTFE tape next I think.

Karl.


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Post subject: Re: MIM Classic Player Jazzy-trem arm grub screw fallen out!
Posted: Wed Apr 17, 2013 6:42 pm
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Hi Karl....

Is this the model that you have?

http://www.fender.com/en-GB/guitars/jaz ... r-special/

I dont personally have any experience with this exact model, but I think most of the folks in here have had very similar experiences with wobbly tremolo arms.

Like you say, the 'vintage tremolo' used on many basic Fender instruments is a strange beast indeed, Ive never come across putting mini springs in the 'arm port' as a remedy before but most of all im interested in what you call the 'grub screw'.
On some tremolo's....normally on ones without a thread.... once the arm is inserted, a grub screw is used to secure the arm by screwing in the side of the 'port' thereby securing the arm and can be tightened allowing for however much 'play' as you desire..

So my question would be, are you sure that it is in fact a grub screw that is rattling around?

With regard to putting glue in there... I wouldnt personally recommend that at all... or the electrical tape method, which I can say from personal experience was a a bad 'experiment'.

I would say the best and most permanent 'solution' to this is to replace the entire tremolo unit to a more up to date version described above(there are plenty of after sales units thats would be a direct replacement but can be costly..)
Most folks generally refer to that wobble as a design fault in that particular unit and they are really not designed for heavy use. But if you use it alot it may be worth it.

The only thing Ive seen people do which is effective(for a short while anyway) is to shave of the side of a wax candle and put the shavings in there and rub the thread of the trem arm along a candle also, but it is by no means a solve.

Let us know a little more and maybe one of the tremolo aficionados will jump in with a moment of genius....


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Post subject: Re: MIM Classic Player Jazzy-trem arm grub screw fallen out!
Posted: Thu Apr 18, 2013 3:33 pm
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Yeah that's the model I have.

It was a grub scew, I took the trem off straight away and screwed the grub screw back in.

As this is a screw-in type there is no adjusting screw to tighten the arm up.

http://compare.ebay.co.uk/like/30088003 ... pla&crdt=0

The springs I'm talking about are specially made to drop in the trem arm slot and then tighten the trem arm up to it...what I'm saying is that in doing this repeatedly over a period of about a year the grub screw which is screwed into the other end of the trem arm slot has slowly unscrewed itself until finally one day it popped out the other end and dropped in the term cavity.

The springs do the job really well though for the screw-in term arm...this obviously wouldn't work with a push type.

Karl.


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Post subject: Re: MIM Classic Player Jazzy-trem arm grub screw fallen out!
Posted: Thu Apr 18, 2013 4:59 pm
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Oh, now I think this is becoming alot clearer, to me anyway!... :lol:

So the grub screw is back in ( with a trem spring on top of that )....and the trem is ok...(for the immediate future anyway)...
Happy days....

So, the grub screw on this model is a way of adjusting the height that the tremolo extends from the body...and the tremolo arm screws into the other end of the same thread....

I get it.... Im still not sure I would personally use glue to secure it, but I guess its your call...
I would just keep an eye on it. These things are sent to try us.....
If it were me I would give the old wax trick a shot...even if just to see if it extends the period of time that the grub screw takes to move significantly(to where I would notice that it needs attn. again). I do like things that are adjustable to stay adjustable.....

When you set the Tremolo to where you like it......over what period of time does the grub screw take to work its way all the way out?.... as long as it isnt say, an hour, I personally would just live with it....

But again, if anyone's on the forum here has a better or more permanent solution?.....


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Post subject: Re: MIM Classic Player Jazzy-trem arm grub screw fallen out!
Posted: Fri Apr 19, 2013 8:01 am
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Yeah you're right, it's there to adjust the height of the trem arm.

I probably won't do anything to it. I may file the end of the spring smooth so it's not catching on the grub screw and spinning it around.

Karl.


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Post subject: Re: MIM Classic Player Jazzy-trem arm grub screw fallen out!
Posted: Sun Apr 28, 2013 3:57 pm
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Joined: Thu Oct 14, 2010 8:54 am
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Just check it once a year and make sure it is still set correctly. And don't tighten the trem arm down so much, replace the spring once in a while before it compresses to a useless chunk of wire.

Jags and Jazzys of vintage or modern style are "high maintenance" girls and can try your patience sometimes. Every once in a while you have to treat them to the equivalent of a "makeover/spa visit" - polish, massage, adjustment, etc... Treat her right and she'll thank you for it. :D

Art


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