Wheelhorse 520-H, replacing an ignition module (crank trigger). The tractor is equipped with a 20 HP Onan twin cylinder engine. The crank trigger replaces a distributor and tells the engine which cylinder needs spark. The tractor runs great until it reaches operating temperature. After a few minutes of regular run time it shuts down and will not start until it cools off. This video shows the symptoms the tractor experiences in real life and illustrates the repair. The 520 Wheelhorse used in this video was originally purchased by my grandfather. It is a 1994 model and was used mainly to mow the yard around his farm house. It was originally equipped with a heavy duty 60" mowing deck (those are built like a tank). New lawn and garden tractors cannot match the quality and power of these older Wheelhorse tractors. Go team Wheelhorse! My dad saved Grandad's old tractor from the auction block after he passed on. Happy I could help restore the operation of this fine 520 workhorse. This one's for you Grandpa! :)
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*Mechanic Work, Maintenance, Wheelhorse, Wheelhorse 520, Lawn and Garden Tractors, Fixing Stuff, Do It Yourself, Auto Repair, Etc.
25 май 2020
