How Do You Time A Farmall Tractor?
Farmall tractors were introduced in 1924 by the International Harvester company and were produced until the mid-1970s. These tractors were a staple on American farms for many years, and as a testament to their longevity, a number of these models are still in operation. Farmall tractors use a magneto ignition, which supplies its own current and does not require a battery or generator. The magneto does need to be adjusted periodically to keep your Farmall ignition in time and your tractor running smoothly. Pull the cable out of the center position on the distributor by hand so as to avoid unintentional starting of the motor while timing the magneto. Find the top dead center of the No. 1 cylinder as follows: Locate the No. 1 spark plug (located near the timing gear) and remove it with a spark plug wrench in a counter clockwise direction. Place your thumb securely over the spark plug hole. Place the tractor’s engine crank onto the crankshaft nut and turn the engine over by hand in a clockw
