Action/bridge problems after changing strings on my JS - Jemsite
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post #1 of 4 (permalink) Old 02-02-2014, 08:19 PM Thread Starter
 
Join Date: Jun 2009
Posts: 9
Action/bridge problems after changing strings on my JS

Hello,

I recently changed my strings on my JS2410 (same gauge, but different brand - EB Slinkys to Elixirs) and the action on my guitar has dramatically increased. I just had my guitar setup (including truss rod adjustment) last month at a professional luthier.

I wonder if the change in string brand has contributed to a change in tension (despite the same gauge?) and if the problem lies in the tremolo springs (and I need to adjust that instead). Or perhaps I just have to lower the action? I've included a picture of the bridge (not the best quality, sorry! but it does show that the bridge is raised)

It seems rather odd either way - I changed the strings one by one to minimise tension changes on the bridge and I'm using the same gauge...

Thanks! Haven't encountered this problem before so I appreciate any advice
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post #2 of 4 (permalink) Old 02-02-2014, 09:50 PM
 
Join Date: Nov 2007
Location: Indianapolis
Posts: 2,647
Re: Action/bridge problems after changing strings on my JS

The bridge is correct in it it's horizontal position, you want the rectangle parallel to the body. The trem itself is sitting high. Make sure the knife edge is sitting in the v of the trem stud. It should be, they are built to keep it in the center.

The only way for the trem to move vertical is by turning the trem studs. If you changed the strings one by one, the studs should not have moved. To drop the action back down, take the pressure off the trem (I take the springs out by pushing the bar back and slackening the springs then lifting the trem out.) You want to avoid turning the trem studs with pressure on them as not to damage the knife edges of the trem.

Last edited by satchmo72; 02-02-2014 at 10:42 PM.
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post #3 of 4 (permalink) Old 02-02-2014, 09:54 PM
 
Join Date: Feb 2005
Location: El Paso, TX
Posts: 2,644
Re: Action/bridge problems after changing strings on my JS

take your springs out of the back and pull the trem out of the guitar with the strings still attached and clean your knife edges and posts.

Sometimes the knife edges get in a bind even though the are perpendicular to the trem posts and the trem is completely neutral.
j.arledge is offline  
post #4 of 4 (permalink) Old 02-04-2014, 05:56 PM
 
Join Date: Mar 2011
Location: Portugal
Posts: 127
Re: Action/bridge problems after changing strings on my JS

Quote:
Originally Posted by Timothong View Post
Hello,

I recently changed my strings on my JS2410 (same gauge, but different brand - EB Slinkys to Elixirs) and the action on my guitar has dramatically increased. I just had my guitar setup (including truss rod adjustment) last month at a professional luthier.

I wonder if the change in string brand has contributed to a change in tension (despite the same gauge?) and if the problem lies in the tremolo springs (and I need to adjust that instead). Or perhaps I just have to lower the action? I've included a picture of the bridge (not the best quality, sorry! but it does show that the bridge is raised)

It seems rather odd either way - I changed the strings one by one to minimise tension changes on the bridge and I'm using the same gauge...

Thanks! Haven't encountered this problem before so I appreciate any advice
There can be different tensions depending on the brand/model at a given gauge.

Truss rod adjustments can lower or raise action... Of course that bridge height and spring tension must be adjusted in order to level out the bridge (as seen in your picture) and establish a specific action height. In the end set your intonation and your done!

Regards,
LMC
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