CDI-1803M

6/11/03

7:56 AM

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English

OPERATION

Adjust the depth gauge rod so that the drill bit extends beyond the end of the rod to the required drilling depth.

Tighten the auxiliary handle by turning the knob clockwise.

ADJUSTING THE TORQUE

See Figure 5.

The tool is equipped with an adjustable torque clutch for driving different types of screws into different materials. Adjust the torque as necessary.

We recommend that you use carbide-tipped bits and select impact mode when drilling in hard material such as brick, tile, concrete, etc.

CAUTION

The impact drill is not designed for reverse hammering. Failure to obey this caution may result in property damage.

SWITCH

See Figure 6.

To turn your drill ON, depress the switch trigger.

To turn it OFF, release the switch trigger.

VARIABLE SPEED

This tool has a variable speed switch that delivers higher speed and torque with increased trigger pressure. Speed is controlled by the amount of switch trigger depression.

SWITCH LOCK

See Figure 6.

The switch trigger can be locked in the OFF position. This feature can be used to prevent the possibility of accidental starting when not in use. To lock switch trigger, place the direction of rotation selector (Forward/Reverse Selector) in center position.

Note: When selector is in center position, switch trigger is locked.

REVERSIBLE

See Figure 6.

This tool has the feature of being reversible. The direction of rotation is controlled by a selector located above the switch trigger. With the drill held in normal operating position, the direction of rotation selector should be positioned to the left of the switch for drilling. The drilling direction is reversed when the selector is to the right of the switch.

When the selector is in center position, the switch trigger is locked. To stop, release switch trigger and allow the chuck to come to a complete stop.

ELECTRIC BRAKE

This drill has an electric brake. When the trigger switch is released, the chuck stops turning. When the brake is functioning properly, sparks will be visible through the vent slots on the housing. This is normal and is the action of the brake.

ADJUSTING THE SPEED

See Figure 8.

Follow these steps to adjust the speed.

For super high speed: Slide the three-speed gear train switch to “3”.

For high speed: Slide the three-speed gear train switch to “2”.

For low speed: Slide the three-speed gear train switch to "1”.

Note: If you have difficulty changing from one gear range to the other, turn the chuck by hand until the gears engage.

CAUTION

To prevent gear damage, always allow chuck to come to a complete stop before changing the speed or the direction of rotation.

KEYLESS CHUCK

See Figure 7.

Your drill has a keyless chuck. As the name implies, you can hand tighten or release drill bits in the chuck jaws. Rotate the chuck with your hand.

The arrows on the chuck indicate which direction to rotate the chuck body in order to LOCK (tighten) or UNLOCK (release) the drill bit.

WARNING

Do not hold chuck body with one hand and use power of the drill to tighten chuck jaws on drill bit. Chuck body could slip in your hand or your hand could slip and come in contact with rotating drill bit. This could cause an accident resulting in serious personal injury.

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Ryobi CDI-1803M Adjusting the Torque, Variable Speed, Switch Lock, Reversible, Electric Brake, Adjusting the Speed