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Safety Alert: Operator Lacerates Hand While Changing Teeth on Buncher

Feller buncher operator cuts hand, suffering a severe laceration with extensive tendon and nerve damage.

By Staff
Date Posted: 9/1/2017


BACKGROUND:

                On a warm, sunny, summer day in the South, a feller-buncher operator was installing new cutting teeth on a cutting head outfitted on a wheeled feller-buncher. His procedure was to use a 36-inch breaker bar to loosen the one-inch bolts that secure the teeth. Then he used an impact gun to remove the bolts and change each tooth. The cutting disk was held in place with a piece of wood or a large metal bar so it would not rotate.

PERSONAL CHARACTERISTICS:

                The buncher operator was 25 years old and had been with this employer for over 2 years. He had completed this task many times before and was considered fully trained to perform the replacement. He wore all the required personal protective equipment.

 

UNSAFE ACT OR CONDITION:

                After he had changed several teeth successfully, the breaker bar slipped off one of the bolts that he tried to loosen, and he fell forward.

 

ACCIDENT:

                The operator braced his fall with his left hand and landed on top of one of the recently changed, razor-sharp teeth.

 

INJURY:

                He cut his left hand, suffering a severe laceration with extensive tendon and nerve damage to the hand.

 

RECOMMENDATIONS

                • Although extension bars have been designed for use with this type of job, they still require that the user grip these extension bars firmly with two hands, while maintaining proper body position and firm footing; the face and body should be positioned out of harm’s way.

                • Using the impact wrench prior to using the extension bar may loosen the bolt and prevent the need for the extension bar.

                • Require the use of cut-resistant gloves when performing this operation.

                Source: Forest Resources Association

 

 




 






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