Troubleshooting a Husqvarna 50 Chainsaw

Written by keith dooley
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The Husqvarna 50 chainsaw is medium-sized and suitable for residential or commercial use. Featuring a 2-cycle engine that powers the chain, the Husqvarna 50 has a 15-inch bar length for cutting a range of tree-limb and trunk sizes around your yard or on the job. Troubleshoot issues that affect the operation of the chainsaw, and identify the cause of the problem.

Skill level:

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Things you need

  • Plastic container with lid
  • 2-cycle oil, 1:50 ratio
  • Gasoline
  • Gas container
  • Bar and chain oil
  • Spark-plug wrench
  • Replacement spark plug
  • Bar oiler
  • Screwdriver

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  1. 1

    Pour old gas and oil mix from the fuel tank on the Husqvarna 50 chainsaw into a plastic container. Cap the container and dispose of the old fuel at a recycling centre.

  2. 2

    Mix gasoline and 1:50 ratio 2-cycle oil in a plastic or metal gas container. Pour the new fuel mix into the gas tank and place the cap on the tank securely.

  3. 3

    Remove the sparkplug wire from the tip of the spark plug. Remove the spark plug with a sparkplug wrench and examine for excessive wear. Replace the plug, if necessary, by threading it into place in the saw. Place the plug wire back onto the tip of the spark plug.

  4. 4

    Locate the bar and chain oil tank on the front top of the Husqvarna 50 chainsaw and remove the cap. Fill the tank with oil up to the bottom of the interior threads in the fill tube. Replace the cap securely. Add oil to the front sprocket on the end of the chain bar. Place several drops of oil into the hold in the end of the bar.

  5. 5

    Turn the saw so the chain adjustment hole is accessible. Insert a blade screwdriver into the small hole at the base of the chain bar located on the inside of the bar. Turn the adjustment screw to the right to tighten the chain. Move the chain back and forth with your hand to determine if further adjustment is needed.

  6. 6

    Pull the chain brake back, turn the starting switch to the left, set the choke to full or start and press the throttle trigger to start the Husqvarna 50 saw.

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