Prior To Operation - DeWalt D21441 Original Instructions Manual

● Fit the depth adjustment rod (6) through the
hole in the side handle clamp.
● Adjust the drilling depth as shown.
● Tighten the side handle.
Forward/reverse Slider (fi g. A)
● To select forward or reverse rotation, use the
forward/reverse-switch (3) (see arrow on tool).
WARNING: Always wait until the
motor has come to a complete
standstill before changing the direction
of rotation.
Two Gear Selector (fi g. D)
Your tool is fi tted with a two gear selector (4) to
vary the speed/torque ratio.
● Release the variable speed switch and select
the required position. This can be done either
with the tool switched off or running under no
load condition. Always align the selector with
the arrow on the gear housing:
1 low speed/high torque
(drilling large holes, driving large screws)
2 high speed/low torque
(drilling smaller holes, drilling in wood)
For speed rates, refer to the technical data.
● Do not change gears at full speed or during
use.
Chuck Removal (fi g. E & F)
● Open the chuck jaws as far as possible.
● Insert a screwdriver into the chuck and remove
the chuck retaining screw (10) by turning
clockwise.
● Tighten an Allen key into the chuck and strike
it with a hammer as shown.

Prior to Operation

● Insert the appropriate bit.
● Mark the spot where the hole is to be drilled.
OPERATION
Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
WARNING: To reduce the risk
of serious personal injury, turn
tool off and disconnect tool from
power source before making any
adjustments or removing/installing
attachments or accessories.
● Be aware of the location of pipework
and wiring.
● Apply only a gentle pressure to the
tool. Excessive force does not speed
up drilling but decreases tool
performance and may shorten tool life.
Proper Hand Position (fi g. C)
WARNING: To reduce the risk of
serious personal injury, ALWAYS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, ALWAYS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the side
handle (5), with the other hand on the main handle
(9).
Switching On and Off (fi g. A)
● To run the tool, press the variable speed
switch (1). The pressure exerted on the
variable speed switch determines the tool
speed.
● If necessary, press the lock-on button (2) for
continuous operation and release the switch.
The lock-on button works only in full speed,
forward rotation.
● To stop the tool, release the switch.
● To stop the tool in continuous operation, press
the switch briefl y and release it. Always switch
off the tool when work is fi nished and before
unplugging.
Rotary Drilling (fi g. A)
● Press the switch (1).
Screwdriving
● Select forward or reverse rotation.
● Press the switch (1).
EN GL IS H
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