2.Slide the bit into the Jaws as far as it will go without inserting the drill flutes into the chuck.

3.Hold the bit centered in the Jaws while turning the Chuck Key clockwise to secure it in place.

4.Firmly tighten the Jaws using the Chuck Key.

5.Remove the Chuck Key and store it in the holder on the power cord.

3.Squeeze the Trigger to start the tool. The Trigger has a variable speed feature. Moving the Trigger slightly will make the tool operate slowly, moving the trigger more will cause the tool to operate faster.

4.You can lock the Trigger in the ON position by squeezing the trigger, pressing in the Lock Button, and releasing the Trigger. The tool will operate continuously. To stop the tool, squeeze and release the Trigger.

Work Piece and Work Area Set Up

1.Designate a work area that is clean and well-lit. The work area must not allow access by children or pets to prevent distraction and injury.

2.Route the power cord along a safe route to reach the work area without creating a tripping hazard or exposing the power cord to possible damage. The power cord must reach the work area with enough extra length to allow free movement while working.

3.Secure loose work pieces using a vise or clamps (not included) to prevent movement while working.

4.There must not be objects, such as utility lines, nearby that will present a hazard while working.

General Operating Instructions

1.Make sure the trigger is released and not locked on, then plug the Power Cord into a suitable outlet.

2.Press the Direction Switch of the Trigger to determine the rotation direction. Press to the left side for clockwise rotation. Press to the right side for counterclockwise rotation.

5.Use only well-sharpened bits that are in good condition and appropriate to the task.

6.Use firm pressure when drilling, but do not press too hard. Too much pressure will cause the bit to overheat, may cause the bit to bend or break, cause undue strain on the tool, and may damage the work piece. Pressing too hard may stall the motor.

7.If the motor stalls, release the Trigger immediately to prevent damage to the tool.

8.Only drill in a straight line. Bending or twisting the bit while drilling may cause the bit to bend or break and may damage the work piece.

9.Back off your pressure if you are about to penetrate the other side of the work piece.

10.Keep the motor running when pulling the bit out of a completed hole to prevent the bit from jamming.

SKU 3273

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 3273 operating instructions Work Piece and Work Area Set Up, General Operating Instructions