Knee Lever sticking

Aaron Youngberg · From: Colorado, USA

My LRK (E -Eb) lever is sticking about 1/4" away from it's correct position when retracking from it's engaged position. The guitar is a Dekley D10 all pull. Could one use regular WD40 on the metal part or is there a specific PSG lubrication product? I need a quick fix for now. Where would I apply it (i.e. for future preventative maintenance applications, not only to solve this problem, please be descriptive with part names and locations for I do not know the mechanics of the PSG very well.) Thanks for your time I very much appreciate it,
Aaron

Mark Herrick · From: Bakersfield, CA

Pretty much everyone here will tell you not to use WD-40 and I agree. It's not really meant to be a "lubricant." Use a light oil or something like Tri-Flo which has Teflon in it.

Look for any place that the cross shaft for that lever passes through a bracket or a bushing and apply a small amount of oil there. Also look to see if any brackets that the shaft passes through are loose and may be causing binding. If there are any "collars" that are used to adjust "play" in the cross shaft (I used to have these on a Marrs guitar) they may need to be adjusted to allow more play.

Forgot to ask: Is the E>Eb change not coming back to it's correct pitch? (ie: flat) If it is coming back to correct pitch then it's just an adjustment to the angle of the lever, not a lubrication issue.

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[This message was edited by Mark Herrick on 24 February 2006 at 05:20 PM.]

[This message was edited by Mark Herrick on 24 February 2006 at 05:21 PM.]

Aaron Youngberg · From: Colorado, USA

It's not coming back to the correct pitch it is flat. Tri Flo? Do you find that in a hardware store? Grocrey store? someones bathroom?(Just Joking) Thanks for your help,
Aaron

Jim Eaton · From: Santa Susana, Ca

Oil the rollers at the nut also!

richard burton · From: Britain

The spring at the bottom of the changer finger may need tightening.

Mark Herrick · From: Bakersfield, CA

Look for Tri-Flo at bicycle shops and hardware stores. There are other brands of oil that have Teflon in them as well. Super-Lube is one, I think.

I forgot about the Lower Return Springs at the changer. Yes, you should check that they are pulling the lowering finger back to it's stop. They shouldn't be overly tight; just enough to keep the lower finger against the stop when the raise for that string is activated and enough for the finger to return to the stop after the lower. Too tight and the knee lever will feel stiff.

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