Chicago Electric 67616 Metal Drilling Tips, Wood Drilling Tips, Concrete Drilling Tips

oscillating hammer motion), slide the Mode Switch (21) to left or right. The “drill” symbol indicates plain drilling while the “hammer” symbol indicates hammer drilling. See Figure 3.

Hammer symbol

Mode Switch

(21)

(Top View)

Drill symbol

Figure 3

10.After pressing Trigger, press Lock Button

(56) to keep drill running without keeping finger on Trigger. Press Trigger again to unlock.

11.WARNING! Use this function ONLY when drilling soft materials. Do not drill or hammer drill hard, brittle materials such as steel or concrete with Lock Button pressed (ON). If drill bit catches on material, the high torque will cause the tool to twist around without stopping. This violent action could cause injury to your hands and arms. It could also damage the Hammer Drill.

12.To prevent accidents, turn off the tool and disconnect its power supply after use. Clean, then store the tool indoors out of children’s reach.

Metal Drilling Tips

1.Use high speed steel, carbide or specialty bits for metal drilling.

2.Secure work piece to keep it from moving during the drilling operation.

3.Use a punch (not included) to create a dimple for the bit to start.

4.Start by drilling slowly to keep bit from wandering away from your starting point.

5.As hole is established, increase speed. Do not use so much pressure that bit heats up. This can damage bit and create irregular hole. For hard metal, use cutting oil to keep bit cool.

6.When drilling large holes in metal, start by drilling a smaller pilot hole, then using a larger bit for the final size hole.

Wood Drilling Tips

1.Use high speed bits or bits specially designed for wood drilling, such as brad point, spade bits, forstner bits, etc.

2.Secure work piece to keep it from moving during the drilling operation.

3.Start by drilling slowly to keep bit from wandering away from starting point. Increase speed as hole is established.

4.To prevent or reduce “break out” when bit penetrates work piece, clamp a piece of scrap material to back of work piece.

5.Do not lock Trigger in the ON position, as the bit can easily jam in wood and motor must be stopped quickly.

Concrete Drilling Tips

1.Use carbide or specialty bits for concrete drilling.

2.Rock and masonry are generally drilled in the hammer (impact) drilling mode.

3.When drilling in walls, start with regular drilling and, once tile is pierced, continue with hammer mode.

NOTE: In deep bore holes, occasionally pull the drill bit out to remove dust and chips.

SKU 67616 For technical questions, please call 1-800-444-3353. Page 10