Posted by wayne in MN on November 29, 2014 at 19:23:56 from (97.92.1.19):
In Reply to: timing on super h posted by chuckj1954 on November 29, 2014 at 18:27:26:
Battery (distributor) ignition timing for H & M:
With the distributor removed, replace the cap and mark (on the metal housing) where #1 plug wire hole is located. Remove cap and rotate rotor CW (looking at rotor) until resistance is felt when nearing #1 position. Slide the distributor in place with the #1 mark about the 2:00 o'clock position. Snug the 2 hold down clamps just enough so the distributor can be rotated.
Timing should be set so the points open (set the gap first, .016" for battery ignition) when the timing pointer is between the double marks on the pulley; use the crank or turn the fan by hand (switch off) to locate the marks.
Using a self-powered test light attached where the point wire enters the distributor body and the probe end grounded, turn on ignition switch and rotate the body of the distributor in the direction of normal rotor travel (clockwise) until the points are closed (test light is off). Now rotate the distributor body counter-clockwise until the points JUST open (light goes on); lock the cap screws and you are good to go. It is CRITICAL for the points to be CLEAN and ADJUSTED first. Using a 12 volt test light (if your system is 6 volt, the light will be dimmer) the light is off with points closed and on when the points open.
If you use a low reading ohmmeter instead of a test light, do not turn on the ignition switch.
Needless to say, points, rotor, cap, & wires have to be in decent shape. Make sure the timing is set correctly. Late timing (too small of a gap or incorrect setting) will act like too rich carburetor problems. Static timing the distributor so the light just goes out or ohmmeter indicates infinity will do the job without the need for a fancy timing light.
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