Snow Blowers

Published on August 8th, 2016 | by Brandon

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How to Replace the Spark Plug on Your Craftsman Dual-Stage Snow Blower

If you’re having trouble starting up your equipment, there is a good possibility that your spark plug is fouled. Learn how to check the condition of your spark plug and make any adjustments/replacements that you may need to make to get your equipment back up and running.

Before servicing any power equipment, follow the safety instructions laid out in your owner’s manual. Make sure the equipment is completely stopped, cooled down, and that no parts are moving before attempting to service your equipment.

  • Step 1: Take off the spark plug boot.
  • Step 2: Remove the spark plug using a spark plug wrench.
  • Step 3: Inspect the spark plug for excessive wear and damage. If either is present, the spark plug should be replaced.
  • Step 4: If the spark plug is reusable, clean it with a wire brush before reinstalling it.
  • Step 5: Use a feeler gauge to measure the plug gap. Bend the electrode until the gap is .02-.03 inches (0.60-0.80 mm).
  • Step 6: Inspect the spark plug washer to ensure that it is in good condition.
  • Step 7: Seat the spark plug by hand and tighten it with a spark plug wrench. If the plug is new, tighten ½ turn after the spark plug compresses the washer. If the spark plus is used, tighten 1/8 to ¼ after the spark plug compresses the washer.

For information about safety, warranty, and your specific model, read and be familiar with your owner’s manual.

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