[HAM] Hum in c-3/leslie 147

[FIGJAMS at comcast.net]

Hi Pete, 
thanks for the tip. I will try it and let you know!
regards
figjams
 
> >My C-3 #67135 and 147 leslie has a hum when keys are contacted(played) 
> >I noticed it months ago but seems to be getting worse. 
> > 

> 
> Check and make sure all the screws on the preset panel are tight and 
> that the wires are not touching each other. Also, check the ground 
> connections on the TG terminal strip (facing the back of the organ 
> they are on your right at the very end); better yet, drill a hole in 
> the TG cover (brass) near the ground terminals of the TG, screw in a 
> lug terminal w/ a #10 machine screw and relocate all the grounds 
> there (this will involve lifting up the manuals to gain access to the 
> TG cover). To re-check the level of hum, turn on the organ (just the 
> run switch), pull out some drawbars, and press some of the keys; this 
> should tell you where you're at hum-wise. The leakage and/or rumble 
> can be eliminated somewhat more, but that's a little more involved 
> (still cost effective tho'). Let us all know how this turns out... 
> 
> 
> 
> pete 
> --