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This topic is 2 pages long: 1 2 This topic was originally posted in this forum: Pedal Steel |
Author | Topic: Adjusting a Goodrich Volume Pedal |
Jim Cohen Member Posts: 8715 |
![]() ![]() I have two Goodrich volume pedals (I think they're both model 120s), and one is louder than the other when fully depressed. I want to adjust the softer one so it's louder at maximum volume. What do I need to do? Reset the string somehow? (If so, how?) Or does it have something to do with that little screw on the side of the pot barrel (that you can reach thru the exterior hole, without opening up the bottom of the pedal)? (And if that's not it, what the heck does that little screw do anyway?) Thanks, Jim [This message was edited by Jim Cohen on 15 July 2000 at 08:11 PM.] |
Smiley Roberts Member Posts: 4424 |
![]() ![]() It does,what it is.....screws!!! ![]() ![]() ------------------ |
Jack Stoner Sysop Posts: 8119 |
![]() ![]() It's best to take the bottom panel off of the pedal - easier to set that way. The problem is the pot is not being opened to it's full max volume. There is two possibilities - either the pulley string is not wound correctly or needs a little more tension or the pulley, with the set screw, needs to be repositioned on the pot shaft. Since you have two pedals and one does open up (louder), I'd use it to compare with the "bad" one and see which is the problem. You can also measure the resistance across the pot and see how much resistance is left when it's at the full volume position. I had that trouble with my 120 and it turned out to be the pulley string needed "tightening". My pedal was not going through the full travel of the pot and I had about 100K ohms left when it was at the full volume position, which meant I was only getting 80% of the max volume. By readjusting the pulley string I got it down to about 2K ohms and it really brought the volume level up. The 2K is a very small percentage of the total resistance and bascially not a factor. One caution, you must also have the "off" position set correctly with the pulley on the pot shaft. It can be misadjusted to the point you get full volume but when you set the pedal to the "off" position you still have some signal coming through. |
Jim Cohen Member Posts: 8715 |
![]() ![]() Thanks, Jack. Is the "set screw" the Allen head thing on the collar on the side of the shaft, or is that the standard screw in the end of the shaft? If I need to tighten the string, what's the best way? Start with pedal fully depressed or off? Which end to loosen and yank on? Thanks. Jim p.s. Smiley, just... just... oh, forget it. |
Cliff Swanson Member Posts: 345 |
![]() ![]() Jim, Go to the Carter site and tool around there until you find the section on how to replace the pot in a Goodrich pedal. There are step-by-step pics and written instructions. I know you're not replacing the pot, but I think all of your questions about how things fit together and what does what will be answered including graphic enhancement I replaced the pot in my Goodrich L10K pedal using this site and found it invaluble. Good luck. Cliff PS...are you working on your CD? |
Jack Stoner Sysop Posts: 8119 |
![]() ![]() Jim, yes the set screw is the allen head screw on the pulley that is attached to the pot shaft. How I did mine (I had the "off" position set correctly) was to move the pedal to the full open (max volume) position and then take the pulley string off at the screw head and where it loops thru the hole in the stop finger and pull it tight (but not taunt) then loop it back through the hole and around the screw and tighten down on the screw. That took a little more of the slack out of the string and also made sure the pot shaft pulley was at the "max volume" end of the pot. I hope this description helps. I'm doing this from memory - not looking at the pedal. You may have to screw with it for a while to get it where you want it. Once you get the full volume position set, go back and check the off position to make sure you didn't screw it up. Mine got off when I replaced the (original) pot. The original pot lasted 3 years so I'm not complaining about having to change or adjust it. |
B Cole unregistered Posts: 8119 |
![]() Jim I have a Goodrich pedal 120 I guess the only thing I found was that when I adjusted it for full open then it wasn't comming completely off so I adjusted it to be just a slight bit on so you can just hear the guitar in the amp with the pedal off. then I went to all Emmons pedals cause there more comfy and a little faster but Jack is right on except he didn't tell you if all else fails " step back ten paces and punt" |
Ann Fabian Member Posts: 1730 |
![]() ![]() Jim and others with similar questions: This article by Jeff Newman, which is reprinted on our 2nd web site, which is essentially an OnLine Steel Guitar Owner's Manual for most every brand of steel guitar and related accessories (The Steel Guitar Information Resource) may answer some of your questions. Also, if you have other questions not answered there, you might call and talk directly with the designer and builder, Ollie and Phillip Goodrich. Here is the contact information for Goodrich Sound Company, located in Michigan, USA: (231) 893-7004 FAX Keep on steelin' Ann Fabian |
Jim Cohen Member Posts: 8715 |
![]() ![]() Thanks guys, I'm workin' on it. And, Cliff, yes I'm also working on my CD. We have 6 tunes done. 3 or 4 more to go! Thanks for asking, Jim |
Jim Cohen Member Posts: 8715 |
![]() ![]() OK, here's the update. It seems all I needed to do was to loosen the Allen head screw on the barrel and then take a flathead screwdriver to the end of the shaft and turn it clockwise. It was not reaching the maximum volume, and now it does. I still need to tweak it back a bit, though, since it's not completely silent when in the off position. Thanks for all the consultations! JC |
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