07-25-2021, 11:56 PM
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#6
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Senior Member
Join Date: Jul 2011
Location: Redondo Beach, CA
Posts: 5,849
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Re: Snap-On Dwell Tach
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Quote:
Originally Posted by Kurt in NJ
When center knob is at "set" adjust right "set" knob so meter needle is in the "set" area on the right side of scale
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Kurt, Thanks. That makes Sense. I will do that in the morning. After "setting it" do I turn the pointer to the proper voltage for my car?
Quote:
Originally Posted by GRutter
There is a battery inside. Open it up and be sure that there isn't any corrosion
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GRutter. Yes, I opened it up. I replaced the three "C" cell batteries. I cleaned the minimal corrosion.
Quote:
Originally Posted by Herb Concord Ca
A few comments. From the picture, the needle zero is off to the right of zero. To adjust first take a damp cloth or paper towel and wipe the plastic meter movement cover. Leave damp, this reduces static charge on plastic cover, then with a small blade screwdriver turn the plastic slot near the center bottom of plastic case to zero meter pointer. As it has a set pot that Kurt mentions, there may be a battery inside the unit. Turn unit over and see if it mentions an internal battery. Enjoy the dwell tach meter.
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Herb, excellent. I wiped off the lens earlier and I think I caused the static electricity! I did try to adjust the meter. I'll try with a damp cloth as you suggest.
Thank you all for your responses. It seems like it is in pretty good shape. The wires have a few cracks in them, I may replace them.
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