Switching On And Off; Hints For Optimum Use; Selecting The Direction Of Rotation - Black & Decker CD121K Original Instructions Manual

Drill/screwdriver
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were easily done before. When charging the battery for the
first time, or after prolonged storage, it will only accept an
80% charge. After several charge and discharge cycles, the
battery will attain full capacity. The battery may become
warm while charging; this is normal and does not indicate a
problem.
Warning! Do not charge the battery at ambient
temperatures below 4 °C or above 40 °C. Recommended
charging temperature: approx. 24 °C.
To charge the battery (5), remove it from the tool and
insert it into the charging base (8). The battery will only
fit into the charging base in one way. Do not force. Be
sure that the battery is fully seated in the charging base.
Plug in the charger (fig. E)
After normal use, a charging time of 3 hours will provide
sufficient power for most applications. However, further
charging for up to 5-7 hours could significantly increase the
use time, depending on the battery and charging conditions.
Remove the battery from the charger.
Warning! Do not use the tool while it is connected to the
charger.

Selecting the direction of rotation

A forward/reverse control button determines the
direction of the tool and also serves as a lock off button
(Fig. A).
To select forward rotation, release the trigger switch and
depress the forward/reverse control button.
To select reverse, depress the forward/reverse control
button the opposite direction. The center position of the
control button locks the tool in the off position. When
changing the position of the control button, be sure the
trigger is released.
Torque Settings (fig. F)
To set the tool's torque, rotate the adjustable
torquecollar clockwise as required.
The positions are marked around the collar and the
higher the number, the higher the torque.
Each click in a clockwise direction means an increase in
the torque produced. Position 17 is the drill mode and is
marked with the picture of a drill bit. In this position the
clutch will not operate. This permits heavy duty drilling /
driving screws.

Switching on and off

To switch the tool on, press the trigger switch (3). The
tool speed depends on how far you press the switch.
To switch the tool off, release the trigger switch.
Two-speed on/off switch
To switch the tool on, press the trigger switch (3). When
slightly pressing the switch, the tool will run at low speed.
When pressing the switch further, the tool will run at high
speed.
To switch the tool off, release the trigger switch.

Hints for optimum use

Drilling
Always apply a light pressure in a straight line with the
drill bit.
Just before the drill tip breaks through the other side of
the workpiece, decrease pressure on the tool.
Use a block of wood to back up workpieces that may
splinter.
Use spade bits when drilling large diameter holes in
wood.
Use HSS drill bits when drilling in metal.
Use masonry bits when drilling in soft masonry.
Use a lubricant when drilling metals other than cast iron
and brass.
ENGLISH
7

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