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Posted by Chris Case @ San Diego on Monday, January 28, 2008 at 09:59:12 :
In Reply to: Re: bench test a generator 6v posted by Doc Dave on Monday, January 28, 2008 at 07:53:58 :
Sandpaper can leave some grits behind. The grits insulate when they hold the points open, where as any steel filings left from the file will not. Check out your old feeler guages, they used to be one of the leaves.
That said, I'm sure I've used sandpaper on more points than I've used files. Just run that piece of paper ($1 bill?) through afterwards to clean up. It also works for oils and greases.
And I even used to have another gismo that was made for filing points. Between files and sandpaper. Looked like the little pints file, but was beige plastic with abrasive surfaces. Flexible. Handy.
Anyways, yes, you can clean up the points in a regulator too. Mechanical ones, not electronical ones. Just try not to bend things inside, that is how they are adjusted.
And don't be afraid to pull the distributor and work on it on the bench. Just remove the cap and turn the engine until the rotor points straight ahead. Then clamp it in your bench vise, or drop it into a post hole to work inside it. Or c-clamp it to a bench by it's adjustment bracket. Easy to re-install, just point the rotor straight ahead when you drop it back in. Though you will need a timing light. Which is one tool that is a necessity.
Oh yeah, I use a dial caliper to adjust the points. Just measure the size of the of the points closed, and adjust until they measure that plus .018 when on the peak of a lobe. Easy to do out of the truck, in a post hole.
Have fun.