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FDP Forum / Guitar Mods, Repairs, and Projects / Tele backbow

stiggowitz

S.W.Washington

stigg "Geezer, and still lov'in it"!
May 27th, 2019 06:36 PM   Edit   Profile  

Hey e'budy
I'm doing a re-fret on a 2013 custom shop maple neck tele.
My problem is back bow that the truss rod won't fix.
I've current taken all the frets off and have the neck clamped at the 5th fret. This truss rod is called a "bi-flex truss rod" from the fender site.
Should I use heat while I've got it clamped?

Bi-Flex truss rod

Peegoo
Contributing Member
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Planet Peegoo

Rhythm & Lewd Guitarist
May 27th, 2019 06:42 PM   Edit   Profile  

If it's a bi-flex, it should work the other way to force a forward bow in the neck. You should be able to clamp it in a forward bow, snug the rod counterclockwise, release the clamp, and it should hold.

How bad is it?

stiggowitz

S.W.Washington

stigg "Geezer, and still lov'in it"!
May 27th, 2019 07:08 PM   Edit   Profile  

It's bad enough that I cant flatten the neck let alone apply relief. when I tried to reverse, it turned so hard it popped the wooden stop plug out.
it appeared not to be well glued.
Being a 2013 I'm assuming it's a Bi Flex.

(This message was last edited by stiggowitz at 09:16 PM, May 27th, 2019)

stiggowitz

S.W.Washington

stigg "Geezer, and still lov'in it"!
May 27th, 2019 08:22 PM   Edit   Profile  

"If it's a bi-flex, it should work the other way to force a forward bow in the neck. You should be able to clamp it in a forward bow, snug the rod counterclockwise, release the clamp, and it should hold."
Thanks Geno. That worked for a bit but it forced the plug out. So now I'm trying to make a rosewood dowel to replace the ruined plug.


wrnchbndr
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New Jersey

I'm back with the otters again
May 28th, 2019 08:30 AM   Edit   Profile  

That plug is available from Fender. They come in a pack of two or three.

The right solution is a fretboard level. I've done a couple but I'm into that sort of self punishment. Its just a crappy neck from poor wood selection at the factory. On a one-piece maple neck, if you are able to coax the neck flat with heat and tension the odds are that it will return to a back-bow on its own.

I use a microplane wood scraper and a precision straightedge to level fretboards and fingerboards. The problem is going to be that you'll probably loose and need to replace a couple position markers. I think the screw for the center of the biflex support is under the 7th fret position marker (maybe the 9th) and hopefully there will be enough wood there before you reach the top of the screw. The side dots aren't going to be at the right place when you're done either.

I'd recommend a replacement neck for an expedient solution. It all depends on how much of a backbow you've got. A strategy worth considering is to level only to the 14th fret leaving the 15th and higher frets to fall away.

Your situation sucks.

wrnchbndr
Contributing Member
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New Jersey

I'm back with the otters again
May 28th, 2019 08:43 AM   Edit   Profile  

This might help you understand

link thingy

Peegoo
Contributing Member
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Planet Peegoo

Rhythm & Lewd Guitarist
May 28th, 2019 08:44 AM   Edit   Profile  

Yeah, some necks that misbehave are not worth the time and effort to get them into playing condition.

That neck would make a good handle for your refrigerator or

garden shed.

stiggowitz

S.W.Washington

stigg "Geezer, and still lov'in it"!
May 28th, 2019 08:49 AM   Edit   Profile  

Thanks. Geno and wrnch.
This guitar wasn't cheap and whoever designed it didn't anticipate a refret.

(This message was last edited by stiggowitz at 10:51 AM, May 28th, 2019)

wrnchbndr
Contributing Member
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New Jersey

I'm back with the otters again
May 28th, 2019 09:04 AM   Edit   Profile  

If you can end up owning the neck, they make a wonderful tool for organizing your frets when doing a complicated refret like on a bound neck where each fret needs to be cut to specific length and each fret needs the tang modified. Two rows of 3/16 holes going down the neck with the holes between the fret positions. Since you've got the frets all pulled, you could actually put the holes in the slots. You put all of the frets down one row and as you complete a process on each individual fret, you move it to the other row.

I'm not a fan of the biflex. If you need the wooden plug to come out it won't and if you need the plug to function, it pops out on its own. Way too much dependence on Karma or the favor of the guitar gods.

stiggowitz

S.W.Washington

stigg "Geezer, and still lov'in it"!
May 28th, 2019 09:44 AM   Edit   Profile  

"I'm not a fan of the biflex. If you need the wooden plug to come out it won't and if you need the plug to function, it pops out on its own. Way too much dependence on Karma or the favor of the guitar gods."
I went to the fender site and found the dowels (2 to a pack) I ordered two packs just in case.
The funny thing is I have a mid 80s mim tele neck and the trus-rod fully co-operated when I re-fretted it. Go figure.

wrnchbndr
Contributing Member
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New Jersey

I'm back with the otters again
May 28th, 2019 10:31 AM   Edit   Profile  

Back bow is just the result of a warped piece of wood and has nothing to do with the trussrod unless you've got the trussrod tightened CW. Bad wood happens. Its rare on an American neck and usually the biflex can address it if it does happen. On Mexican necks, the neck is simply rejected at the factory because the standard trussrod can do nothing to address it.

wrnchbndr
Contributing Member
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New Jersey

I'm back with the otters again
May 28th, 2019 10:43 AM   Edit   Profile  

Personally, I wouldn't do a refret on a neck with a static warp. I've only replaced that wooden plug when I needed to replace a broken trussrod.

stiggowitz

S.W.Washington

stigg "Geezer, and still lov'in it"!
Jun 4th, 2019 05:28 PM   Edit   Profile  

Hey e'budy. I was able to get the neck to lay flat and finish up the frets (WHEW). The dowels came in yesterday and I am going try to get the slope correct. The owner has had the guitar since Saturday and was pleased with it.
Thanks all for your experience and savvy.

wrnchbndr
Contributing Member
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New Jersey

I'm back with the otters again
Jun 5th, 2019 09:36 AM   Edit   Profile  

Thanks for getting back to us. I hope it all works out well. Its really worth it to extend your skills by taking on these non-conventional repairs even if its not rationally economical for you. I don't care what anyone says -- a repair that involves replacing the dowel is an advanced and risky process for most techs. A lot can go wrong. Don't be a stranger on this forum.

FDP Forum / Guitar Mods, Repairs, and Projects / Tele backbow




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