Trouble
Noisy Operation (cont.)
Wood splinters on the underside.
Drill or tool heats up or burns workpiece.
Drill bit wanders.
Drill bit binds in workpiece.
Probable Cause | Remedy | |
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Noisy motor. | Check motor bearings or for loose | |
motor fan. | ||
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No backing board used. | Place a scrap board beneath the | |
workpiece to prevent splintering. | ||
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Excessive speed. | Reduce speed. | |
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Chips not clearing from hole or bit. | Retract drill bit frequently to remove | |
chips. | ||
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Dull drill bit. | Resharpen, or replace drill bit. | |
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Feeding the bit too slowly. | Increase feed rate. | |
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Rotation of bit incorrect. | Reverse motor rotation (refer to | |
diagrams on pages 23 and 24). | ||
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Bit sharpened incorrectly. | Resharpen bit correctly. | |
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Bent drill bit. | Replace bit. | |
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Bit or chuck not installed properly. | Reinstall the chuck, or bit properly. | |
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Workpiece pinching the bit. | Support or clamp workpiece. | |
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Excessive feed rate. | Decrease feed rate. | |
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Chuck jaws not tight. | Tighten chuck jaws. | |
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Improper belt tension. | Adjust belt tension. | |
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Optional Accessory
708587 Mortise Attachment
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call
17
