Just like choosing the correct auger tool for your digger derrick is important, operators need to pay attention to the teeth on the tool as well.

• Make sure to check that the teeth are in good condition. For example, if rock teeth don’t turn freely, they may wear flat on one side decreasing life and efficiency.
• Check the pilot bit to see it is in good condition and in place.
• Look for wear in the teeth pockets. Not changing worn teeth can severely damage the tooth pocket, which can be a costly repair.
• If the carbide on a bullet tooth has worn away, it’s time to replace the tooth. 
• Check the hard face edges of auger flighting and barrel tools for wear or the diameter of the hole may be affected. Re-hard facing the edges, prevents a reduction in the hole diameter, and can often be done in the field. 
  
• Always follow manufacturer instructions for any auger tool repairs.
  

Follow correct tooth installation and removal procedures, using the proper tools. Many tools are designed to make tooth replacement easy, but it can be a dangerous task if not done right. For example, never strike the carbide face with a hammer. Anytime you strike a hardened surface there is risk of metal shattering and flying off, which can cause bodily injury. Finally, remember to grease teeth upon installation. This is very important for maintaining free movement during operation and it makes it easier to remove the teeth when replacing them.  

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