RG550 action problem - Jemsite
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post #1 of 6 (permalink) Old 01-12-2014, 07:46 PM Thread Starter
 
Join Date: Nov 2012
Location: Massachusetts
Posts: 589
RG550 action problem

Hi,
I just got a good deal on a used '91 RG550. The action on it was high, so after I bought it I brought it home for a setup and new strings. The problem I'm running into is that I have the bridge lowered all the way and the action is still over 2mm on the high E string at the 14th fret (i typically like mine about 1.5mm). I've adjusted the truss rod and have been playing around with the angle of bridge...no matter what I do i can't seem to get the action as low as i'd like it. The guitar looks to be all original, i don't see any mods. Do i need to shim the neck? If so, what would be the best way? If not a shim what else could I do?
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post #2 of 6 (permalink) Old 01-12-2014, 07:54 PM
 
Join Date: Jan 2012
Location: New York
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Re: RG550 action problem

Yes it sounds like you need to put a shim in the heel of the neck pocket to get the neck angled down at the headstock a little. Then you'll be able to raise the trem out of the body and get the action lowered also...

You can use a piece of business card folded in half, I usually use a piece of sand paper. Put the shim along the width of the neck pocket on the pickup side, don't shim the whole pocket. You need the back of the neck heel to be raised up a bit is all....
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post #3 of 6 (permalink) Old 01-12-2014, 08:42 PM Thread Starter
 
Join Date: Nov 2012
Location: Massachusetts
Posts: 589
Re: RG550 action problem

Thanks, this seems to have helped. Now I'm down to a slight buzz on the 10th fret of the G string. Truss rod adjustment doesn't seem to be helping this either...wonder if i need a shim under the locking nuts too?
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post #4 of 6 (permalink) Old 01-12-2014, 08:49 PM
 
Join Date: Sep 2013
Location: detroit
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Re: RG550 action problem

No. Shimming the locking nut is for buzzes on the lower frets.
Truss rod adjustments should be done in small increments as they will settle over time. Keep playing with that.
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post #5 of 6 (permalink) Old 01-12-2014, 09:19 PM
 
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Re: RG550 action problem

Quote:
Originally Posted by pwsusi View Post
Thanks, this seems to have helped. Now I'm down to a slight buzz on the 10th fret of the G string. Truss rod adjustment doesn't seem to be helping this either...wonder if i need a shim under the locking nuts too?
You probably have a high or a low fret around that area...
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post #6 of 6 (permalink) Old 01-13-2014, 12:09 AM
 
Join Date: Aug 2012
Location: West 'By God' Virginnie, USA
Posts: 1,454
Re: RG550 action problem

I'd like to address the original problem, even though you say shimming fixed it.
Did you unlock the studs?
You may not have needed to shim if the studs were still locked. This could cause the problem where you can't get the bridge low enough.
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