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9. If the bit jams in the workpiece or if the drill stalls, stop the tool
immediately. Remove the bit from the workpiece and determine the reason
for jamming.
WARNING!
This drill/driver is equipped with an electric brake. When the
brake is functioning properly, sparks may be visible through the vent slots in the
housing. This is normal and is the action of the brake.
WOOD DRILLING
1. For maximum performance, use high speed steel or brad point bits for
wood drilling.
2. Begin drilling at a very low speed to prevent the bit from slipping off the
starting point.
3. Increase speed as the drill bit bites into the material.
4. When drilling “through” holes, place a block of wood behind the
workpiece to prevent ragged or splintered edges on the back side of the
hole.
METAL DRILLING
1. For maximum performance, use high speed steel bits for metal or steel
drilling.
2. When drilling metals, use light oil on the drill bit to keep it from
overheating. The oil will prolong the life of the bit and increase the drilling
action.
3. Begin drilling at a very low speed to prevent the bit from slipping off the
starting point.
4. Maintain a speed and pressure which allows cutting without overheating
the bit. Applying too much pressure will:
- Overheat the drill/driver.
- Wear the bearings.
- Bend or burn bits.
- Produce off-center or irregular-shaped holes.
MASONRY DRILLING
1. For maximum performance, use carbide-tipped masonry bits when drilling
holes in brick, tile, concrete, etc.
2. Maintain a speed and pressure which allows cutting without overheating
the bit or drill/driver. Applying too much pressure will: