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Can this be fixed?

Discussion in 'Hardware, Setup & Repair [BG]' started by Labi, Apr 22, 2010.


  1. Labi

    Labi

    Jun 14, 2006
    Check out the distance of the low B string at the nut and at the end of the neck. Same thing with the high C string. Is this a nut issue or a bridge issue? I certainly hope not a neck issue. Can it be fixed?
    BTW it's a Dimavery SB 526 bass which I bought through a friend in Germany and only noticed this problem on the pic since I am still waiting for it to arrive.
    [​IMG]
     
  2. testing1two

    testing1two Supporting Member

    Feb 25, 2009
    Southern California
    If it's a bolt-on neck then yes it can be fixed quite easily. Just loosen the neck bolts slightly (by 1/4 or 1/2 turn) and then shift the neck until the strings are aligned properly. Then tighten the neck bolts and you're done.
     
  3. Hi.

    ^+1.

    However, if the bass in question is a neck-through, it's a bit more difficult.

    But it sure can be done, by moving the bridges.

    Regards
    Sam
     
  4. kalle74

    kalle74

    Aug 27, 2004
    The bass seems to be bolt-on... But, I wonder why they chose to misalign both the bridge pieces and the strings at nut... I would send it back, if it turns out to have the same prob (not sure if the pictured bass is the one you´re getting)... Might be costly to repair...
     
  5. Jazz Ad

    Jazz Ad Mi la ré sol Supporting Member

    Looks like the neck slided a bit on the left, nothing bad.
     
  6. Jim Carr

    Jim Carr Dr. Jim Gold Supporting Member

    Jan 21, 2006
    Denton, TX or Kailua, HI
    fEARful Kool-Aid dispensing liberal academic card-carrying union member Musicians Local 72-147
    If this is a bolt on, you will not have any trouble realigning the neck. However, for neck-through you're going to need an expert luthier, or lots of return postage. Check the nut, too.
     
  7. Labi

    Labi

    Jun 14, 2006
    Thank you all for your replies. Yes the bass is bolt on (6 screws) and it is the actual one that I'm getting. I assume that this happened during the transportation since it was shipped in that stupid cheap card box. I will try to shift the neck as soon as I get it, but looks like the nut has to be changed as well. Maybe the single bridges have to be moved a bit as well. All in all I'm quite relieved after reading these replies. Thank you all once again.
     
  8. Labi

    Labi

    Jun 14, 2006
    Thanks. When you say realigning the neck are you talking about the method mentioned above?

    Update:
    Here's a photo of the bass from the site where I bought it. It seems that it has the same issue. So, either all of them have this problem or the bass in this pic is the same on that they sent me. How odd is that!!

    26218124.
     
  9. Jim Carr

    Jim Carr Dr. Jim Gold Supporting Member

    Jan 21, 2006
    Denton, TX or Kailua, HI
    fEARful Kool-Aid dispensing liberal academic card-carrying union member Musicians Local 72-147
    Yes, here is how I do it on a P-bass or Jazz. It probably applies to your bass, assuming it is a bolt-on.

    1) Lay the bass on a thick towel on a stable work surface
    2) Loosen strings so that there is about 1/4 normal string tension
    3) Flip the bass over (pickups on the table)
    4) Using a correctly sized phillips head screwdriver, slightly loosen the neck screws (1/2 turn, more or less).
    Be careful not to booger the screwheads!!!
    5) Pick up the bass
    6) Holding the bass under your right arm with the "output jack edge" of body resting on the towel and perpendicular to the table, grab the lower horn firmly with your right hand and the neck with your left.
    7) Sharply jerk upward on the neck while pulling down on the horn to reposition the neck in the pocket. Note: you might need to "jerk up" with the bass flipped (gripping the upper horn with your right hand) to get the movement in the direction you need. Check for correct position/alignment.
    8) Retighten neck screws, tune, and re-check.
    9) Repeat from step one, if needed.

    Once it is right, it should stay put. If it doesn't, then consider a thin shim. Many have found that a slice of a paper matchbook cover or business card works well. You don't need much. All the shim is really doing is just tightening the pocket, not actually centering the neck. You still need to center it as described. Rather than use measurement, I use eye and feel. Hope this helps!!! :hyper:
     
  10. Labi

    Labi

    Jun 14, 2006
    Jim, thank You sir. I will save these instructions and apply as soon as the bass arrives. Will post results.
     
  11. Floyd Eye

    Floyd Eye Banned

    Feb 21, 2010
    St. Louis
    Wow, "Jerk" upward? Seriously?

    The only time I have ever had to do this I took all the screws out, set the neck in the pocket correctly and evenly turned the screws back in. I realize this may not work on all misaligned necks, but it seems to me that any neck it wouldn't work on would suffer some damage to the screws and/or screw holes if you just loosened them and jerked the neck into place.

    Of course I'm just some guy and not a professional luthier so......
     
  12. Labi

    Labi

    Jun 14, 2006
    Now I'm confused!!!
    :confused:
    Floyd Eye I appreciate your input which BTW is a very valid one. I too was very sceptical about this method, but since people who are suggesting it have done it in the past with results, I tend to trust them. While of course still hoping for more suggestions especially from someone who is a pro in building and repair.
    :help:

    Update:

    I've decided to try it on another bass first, so I checked my Aria Pro which I haven't played in a long time, and it had the same issue but slightly less. Here are two pics to show the results. I had to loosen the bolts more than it was suggested here tho'. The results are obvious aren't they.
    So, thank You testing1two, Jim Carr and everybody else who replied on this thread.

    Before:
    [​IMG]

    After:
    [​IMG]
     
  13. silvertones

    silvertones

    Apr 19, 2010
    I was thinking that with only the picture it may just be an optical illusion.
     
  14. Floyd Eye

    Floyd Eye Banned

    Feb 21, 2010
    St. Louis
    Like I said, I am not a professional luthier. I'm glad it worked for you. I have to say, I would have SERIOUS reservations about doing any kind of "Jerking" on an expensive instrument. Just me.
    Jerking the neck with the screws still attached will certainly wallow out holes and/or bend screws. I am a professional carpenter and you don't need to be to realize this fact.
     
  15. Meyatch

    Meyatch Supporting Member

    Nov 25, 2007
    Pennsylvania
    That's what I was thinking too, especially if it has really high action the B string would look like that from the angle the picture is taken.
     
  16. Labi

    Labi

    Jun 14, 2006
    Hi all

    Sorry for bringing an old thread back to life.
    The earlier mentioned bass has finally arrived today and I found out that the bridge pieces need to be repositioned and the nut needs to be replaced. There are no neck issues. Here's a pic of the routing underneath the bridge pieces, and a pic of the nut. I'm not worried about the nut since I believe I can make a new one, but what worries me is the bridge. It has to go to the right for a milimetre or so. I was thinking of filling the actual holes and do a new routing. But that sounds quite daring. I might also leave the routing as it is and just ad a milimeter to the right of each hole with sanding paper. Any advice would be helpful.
    Did I mention that the bridge is made out of 6 single pieces.
     
  17. Hi.

    Oh crap.

    The nut is a no-brainer of course.

    Moving the bridges can be done as You described, but that's a lot of work right there.

    Unless You're already attached to this bass or you got a killer deal (because of the defects) one word comes to my mind: Warranty. Send it back.

    If I was in Your shoes and wanted to keep the bass, I'd probably halve the misalignment between moving the neck and filing offset grooves on the saddles.
    Or I'd trim the neck pocket to allow more sideways movement and leave the saddles alone.

    Regards
    Sam
     
  18. Pilgrim

    Pilgrim Supporting Member

    I absolutely agree. GENTLE force, applied gradually, is plenty to shift a neck. Jerking can crack the wood at the side of the neck pocket, take the adjustment far past the point you need it, or possibly enlarge screw holes.

    It's really not difficult to re-align the neck on a bolt-on. Aside from the "jerking" aspect I think the process outlined is OK.

    I'm not seeing the problem with the bridge. 1mm ought to be something you can live with. I doubt it's possible for most people to locate a bridge closer than 1mm +/- of a desired location. (I'm sure I will be corrected if this is in error.)
     
  19. walterw

    walterw Supportive Fender Gold Supporting Member Commercial User

    Feb 20, 2009
    alpha-music.com
    aligning a bolt-on neck is no big deal, and takes even less steps than mentioned so far;

    (while still tuned to pitch):

    loosen the screws a quarter turn

    push (don't "jerk") the neck over until it's lined up

    re-tighten screws. done.
     
  20. Rick Auricchio

    Rick Auricchio Registered Bass Offender

    Wrong cut nut and wrongly positioned bridges? I'd send it back; it's bad workmanship.
     

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