Toro S620 Snowblower Problems

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The S620 snowblower's flywheel must be in good condition to move snow.

The Toro S620 snowblower is one of many snowblowers in the Toro line that utilizes a Briggs & Stratton engine assembly. The engine block consists of a flywheel and carburetor bowl that may require cleaning and related adjustments. Additionally, your snowblower may be suffering from bad or old fuel. Fortunately, these most common Toro S620 snowblower problems can be fixed even if you lack any pre-existing snowblower engine troubleshooting knowledge.

Things You'll Need

  • Gasoline
  • Socket wrench
  • File
  • Pan
  • Cloth
  • Wire brush
  • Carburetor cleaning solution
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Instructions

    • 1

      Ensure there is fresh fuel in the Toro S620 snowblower's tank. If the fuel tank has old fuel that was left between seasons, turn on the snowblower and allow the old fuel to burn away before attempting to refill the tank with fresh fuel.

    • 2

      Find the flywheel on the Toro S620 snowblower's engine. It is the circular part on the top of the Briggs & Stratton engine that features an iron cover that is secured by several bolts. Take out each of the Toro S620 flywheel cover's bolts with a socket wrench, then pull off the flywheel cover.

    • 3

      Remove the single bolt holding the Toro S620 snowblower's flywheel down. Use your socket wrench again.

    • 4

      Place a flywheel pulley tool over the Toro S620 snowblower's exposed flywheel, then use your socket wrench to tighten the single bolt on the pulley to cause the Toro's flywheel to come free from the engine block.

    • 5

      Check along the flywheel's fins. There may be burrs on these fins that have impaired the flywheel's operation. File each burr away with a file, then reconstruct the flywheel on the engine block by following your disassembly procedure in reverse. Remember to reattach the flywheel's cover with your socket wrench.

    • 6

      Turn on your Toro S620 snowblower's to see if the flywheel repair solved your snowblower's problems. If the snowblower doesn't start or if it starts and sputters and whines, find the carburetor bowl on the left side of the engine block. It will be about halfway up this side.

    • 7

      Ensure the Toro S620 snowblower is powered off. Place a pan under the carburetor bowl.

    • 8

      Loosen the nut on the bottom of the Toro's carburetor bowl. Remove the nut. This will cause fuel and liquid to drain out into your pan. Wait for this process to finish.

    • 9

      Scrub the nut with a brush and carburetor cleaning solution.

    • 10

      Twist off the now loose carburetor bowl from the Toro S620 snowblower's engine with your hand. Clean out the inside of the bowl with a cloth and the carburetor cleaning solution.

    • 11

      Twist the carburetor back into place and reinsert the nut into the bowl's bottom with your wrench. This will allow your Toro to run efficiently and without sputtering.

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References

  • Photo Credit Photos.com/Photos.com/Getty Images

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