909 CD18 series Manual de instrucciones - Página 15

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Using the drill

Trigger switch

Use the forward/reverse switch

(4) to select the direction of

rotation, then pull the trigger

(3). This trigger switch is an

electronic variable speed control

which enables the user to

vary the speed continuously.

The speed varies according

to how far the trigger switch is

depressed. The further it is depressed the faster the chuck

will rotate and the lighter it is depressed, the slower it will

rotate.

To stop the drill, release the trigger switch.

Note.

The variable Speed control fitted to this drill is NOT

intended to be used for long periods of time during the

operation of the task being performed. Use the variable

speed to start drilling and screwing tasks, and then fully

depress the trigger once the task has started.

CAUTION.

Extended use of the variable speed under load will

overload and then permanently damage the speed control.

Adjustable torque

This drill is equipped with 22

torque settings, one drill setting

plus another for hammer drilling

(on hammer drill models) which

are controlled by the torque collar

(2). All of the torque settings are

clearly identified on the torque

collar. To adjust the torque

setting, rotate the torque collar.

Rotate the torque collar to a higher number to increase the

torque setting and rotate it to a lower number to decrease

the torque setting.

Controlling the torque allows for better control when using

the drill on specific tasks and prevents over-fastening and

over-tightening.

For drilling, always use the Drill position by aligning the Drill

symbol with the triangular indicator on the front face of the

drill near the torque collar.

For setting the torque position, select a low setting on

the torque collar and align the selected symbol with the

triangular indicator on the top of the drill. Increase gradually

to set the correct torque. It is better to use a scrap piece of

material if possible to set the torque.

Forward/reverse switch

Note.

You can only change

the direction of rotation of the

drill using the forward/reverse

switch when the trigger is NOT

depressed.

This switch (4) will allow you to

change the direction of the motor

while the trigger switch is not

depressed.

Drilling uses the forward mode. The reverse mode is

intended for the removal of screws and assisting to remove

jammed drill bits.

Hammer drilling (hammer drilling models only)

The hammer drilling selection is designed for small and

occasssional hammer drilling. For continuous hammer

drilling, or for drilling larger diameter holes in concrete etc,

it is recommended to use a pneumatic type hammer drill

specifically designed for this application.

To select the hammer drill position, rotate the torque collar

around past the drill symbol and align the hammer symbol

with the indicator on the top of the drill.

This will allow the drill to hammer during rotation of the

chuck when pressure is applied.

When hammer drilling it is also recommended to fit the side

auxiliary handle to either the left or right hand side of the

drill.

When fitting the drill bit, ensure to use a masonry drill bit or

a drill bit specifically designed for the material being drilled.

Always try and fully insert the drill bit into the chuck.