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On 12 May 99, at 11:03, VWMAN18@aol.com wrote: > I noticed this while syncing my new ICT's last night(finally got the linkage > to work). As you bring up the RPM of the engine, the generator throws out > actual sparks from what looks like the brushes on the underside. Not my > typical faint blue glow, but actual yellowish orange sparks. Is this normal > or should I be worried? What should I do to fix this? I replaced the > brushes about 30K mi. ago. Another thing that I've noticed is that at night > the lights flicker when I rev the engine, but not when its at speed. Is this > related? Some sparking is normal. Lights flicker at night? Hmmm. Maybe you're just revving too high and the brushes are bouncing. Sparking and bouncing are both caused by out of round commutators. This can only be correctly fixed by having it turned. Using sandpaper on a copper commutator can be counterproductive; if you use the wrong kind of paper it will leave sharp bits of abrasive embedded in the soft copper. This will wear the brushes away quickly. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ---------------------------------------------------------ķ$ -- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe