Re: Points on points please.

Posted by Bob M on April 30, 2003 at 11:28:47 from (165.170.128.65):

In Reply to: Points on points please. posted by Sean in Calgary on April 30, 2003 at 10:25:19:

Sean - I do it a couple different ways….

1 - ON THE TRACTOR: Bump or bar the motor until the movable point's rubbing block is riding up near the top of a breaker cam lobe. (Note: I can turn the motor on my SH and SM by using one hand to pull on the fan belt so as to tighten the belt, then tugging on the fan blade with the other hand to turn fan and engine.) Once you have the cam close, you can then pick up another 15 or so deg of cam rotation by turning the distributor rotor clockwise against the advance spring. You should thus be able to position the cam so the rubbing block is exactly on the cam's highest point.

2 - OFF THE TRACTOR: Set the crank to TDC #1 cylinder firing. Mark the position of the rotor on the side of the distributor body, and of the distributor stem flange with the drive housing. Then unbolt and remove the distributor. You can now clamp the distributor (gently!) in a vise and go to work - you'll be able turn the shaft and breaker cam wherever you want. When finished, simply align the rotor and flange with the marks you made previously then reinstall the distributor. (This method is preferred over #1 in cold weather since you can bring the distributor inside to work on it. Don't need gloves, you won't drop small screws in the snow, etc!)

Good luck!

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