MasterForce 241-0315 Manual do Operador descarregar pdf (Página 12)

Page 11

INSTALLING BITS (FIG. 5)

1. Lock the trigger switch by placing

the direction of rotation selector in the

OFF (center) position.

2. With one hand, pull the sleeve toward

the front of the tool, and hold it in place.

3. With the other hand, insert the 1/4-in.

bit into the hexagonal chuck.

4. Release the sleeve and check that it

returns to its original position and the

bit is securely held in place.

5. To remove an accessory, pull the

locking sleeve forward and simply

remove the bit.

WARNING:

If the sleeve does not

return to its original position, the bit is

not correctly installed. To avoid loss of

control, ensure that the bit is locked in the

chuck by pulling on the bit after it has

been inserted.

OPERATION

FIG. 5

DRILLING (FIG. 6)

When drilling hard, smooth surfaces use

a center punch to mark the desired hole

location. This will prevent the drill bit

from slipping off center as the hole is

started.

The material to be drilled should be

secured in a vise or with clamps to keep

it from turning as the drill bit rotates.

Hold the tool firmly and place the bit at

the point to be drilled. Depress the switch

trigger to start the tool.

Move the drill bit into the workpiece

applying only enough pressure to keep

the bit cutting. Do not force or apply side

pressure to elongate a hole.

DRILLING WOOD

When drilling hole in wood, twist bits can

be used. Twist bits may overheat unless

pulled out frequently to clear chips from

flutes.

Use a “back-up” block of wood for work that

is likely to splinter, such as thin materials.

You will drill a cleaner hole if you ease up

on the pressure just before the bit breaks

through the wood. Then complete the hole

from the back side.

FIG. 6

Chuck

Locking sleeve

1 2 ... 7 8 9 10 11 12 13 14 15 16

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