How to Service a Stihl Backpack Blower

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Stihl is best known for its chain saws, but the company also produces a line of two-cycle power tools, including backpack blowers. The blowers are mostly used in commercial settings due to their high air speed output. Properly maintaining blower engines ensures optimal performance and years of use. You can service the blower in under an hour with a few tools.

Things You'll Need

  • Needle nose pliers
  • Spark plug wrench
  • Carburetor cleaner
  • Phillips screwdriver
  • Hex wrench

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Set the blower on a flat work bench.

Loosen the bolt and remove the air filter cover located on top of the carburetor. Slide out the air filter and replace it if necessary.

Remove the gas cap. Locate the fuel line inside the gas tank. It has a fuel filter on the end. Pull out the fuel line with the needle nose pliers and pull off the filter. Put on a new filter and place the fuel line back into the gas tank.

Pull the spark plug wire from the spark plug, located on top of the engine. Remove the spark plug using the spark plug wrench and install a new spark plug. Push back on the spark plug wire.

Remove the two small screws on the spark arrestor screen plate, located on the muffler, on the left side of the blower. Pull off the plate and remove the spark arrestor screen. Spray with carburetor cleaner until you can see through all of the holes in the screen. Reinstall screen and screw in spark arrestor screen plate.

Tighten all hex screws on the blower housing. Visually inspect the machine or any leaks.

References

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