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Farmall & IHC Tractors Discussion Board |
Re: Re: Re: Super A electronic ignition
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Posted by Ken T. on December 31, 2002 at 12:43:55 from (192.136.16.3):
In Reply to: Re: Re: Super A electronic ignition posted by patpeery on December 31, 2002 at 11:40:50:
Setting the timing is pretty simple, actually. You will need a timing light. Timing lights are available in two main varieties. One type operates off the tractor battery. The other type plugs into 110 volt AC. Either one will work. You connect the timing light to the #1 spark plug wire (closest spark plug to the front of the tractor). Then you loosen the distributor hold-down clamp. You then need to obtain the timing specs for your tractor from a maintenance manual. Those specs will tell you how many degrees before top dead center (BTDC) the timing is supposed to be set at and at what engine RPM the motor is supposed to be running when the timing is set to those specs. It is now best to find your timing mark and pointer. I don't know where they are on a Super A. They might be on the pulley at the front of the crankshaft, or they may be on the engine flywheel. The maintenance manual will tell you where they are. Once you find the timing marks and pointer, highlight them with a piece of white chalk so they will be easier to see when observing them with the timing light. Now you start up the tractor and set it to the prescribed engine RPM and aim the timing light at the timing marks and pointer. While observing the timing marks with the timing light, you can rotate the distributor by hand slightly one way or the other until the timing marks read the value that is given in the specifications. When the timing marks indicate the correct value, re-tighten the distributor hold-down clamp and shut the tractor off. Disconnect the timing light and you are finished. This might sound kind of complicated, but it is really quite simple. It is recommended that you read the ignition timing procedure in the maintenance manual for your particular tractor before you set the timing because it may say that you need to disconnect a vacuum advance line or something like that before setting the timing.
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