Yamaha C7

[Newton Hunt]

Very good, indeed, but if you flip the springs out of their slots, and
use a mototool polishing wheel on the spring ends, turn the action up
side down and then do steps 4 through 8 will save time, a lot of
time.  (Done this with older S&Ss)

		Newton

Roger Jolly wrote:
> 
> Hi David,
>              This has worked for me, and seems long lasting.
> 1. Remove the wippens
> 2. Unhitch the rep springs
> 3. Clean the ends of the springs with naptha.
> 4.  Take a vertical hammer shank and sharpen the end with a pencil
> sharpener, it makes an ideal to burnish the slot.
> 5. Burnish the slot vigorously with the shank, resharpen as required.
> 6. With a small artist brush coat the bottom of the slots with dag.
> 7.  Reburnish with the sharpened shank.
> 8.  Reassemble and budget for a major reg.
> 
> Hope this helps.
> Roger
> 
> At 11:14 PM 03/12/99 -0800, you wrote:
> >List,
> >
> >I worked on a Yamaha C7, #5070074, about 8 years old.  I
> >noticed a odd clicking, frictioney sound and feel.  I removed a
> >wippen and found green "emrylon"? in rep spring groove.
> >Where the spring contacted the groove the emrylon was gone
> >and there was a wood/white spot.  I'm not sure if there is a
> >dent in the groove but a drop of Protek temporarily? fixed it.
> >Worked smooth as can be.  What is the correct lube here?
> >Should I smooth groove with a cuticle stick or such?  Is this a
> >warranty item?
> >
> >David Ilvedson, RPT
> >David Ilvedson, RPT
> >Pacifica, CA
> >ilvey@jps.net
> >
> Roger Jolly
> Saskatoon, Canada.
> 306-665-0213
> Fax 652-0505