23
E N G L I S H
- Alert mode: if the indicator flashes repeatedly,
the electronics do not function properly. Take
your tool to an authorized D
E
WALT repair agent.
Electrical Safety
The electric motor has been designed for one
voltage only. Always check that the power supply
corresponds to the voltage on the rating plate.
Your D
E
WALT tool is double insulated in
accordance with EN 60745; therefore no
earth wire is required.
In case of cord replacement the tool must only
be repaired by an authorized service agent or by
qualifi ed electrician.
Mains Plug Replacement
(U.K. & Ireland Only)
If a new mains plug needs to be fitted:
• Safely dispose of the old plug.
• Connect the brown lead to the live terminal in the
plug.
• Connect the blue lead to the neutral terminal.
WARNING:
No connection is to be made
to the earth terminal.
Follow the fitting instructions supplied with good
quality plugs. Recommended fuse: 13 A.
WARNING:
115 V units have to
be operated via a fail-safe isolating
transformer with an earth screen between
the primary and secondary winding.
Using an Extension Cable
If an extension cable is required, use an approved
extension cable suitable for the power input of this
tool (see technical data). The minimum conduc tor
size is 1.5 mm
2
. When using a cable reel, always
unwind the cable completely.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of
injury, turn unit off and disconnect
machine from power source before
installing and removing accessories,
before adjusting or changing set-ups
or when making repairs.
Be sure the
trigger switch is in the OFF position. An
accidental start-up can cause injury
.
Inserting and Removing a Bit (fi g. A, B)
• Open the chuck by turning the sleeve
counterclockwise and insert the bit shank.
• Tighten fi rmly by turning the sleeve clockwise.
• To remove the bit, proceed in reverse order.
DW221/DW226/DW236/DW246/DW248 -
Spindle Lock
These models have a spindle lock button (4).
• Depress the spindle lock button to lock the
chuck while inserting or removing a bit.
WARNING:
Never depress the spindle
lock button during operation.
Forward/reverse Slider (fi g. C)
• 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.
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 (8) 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
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.
Instructions for Use
WARNING:
• Always observe the safety instructions
and applicable regulations.
• Be aware of the location of pipework
and wiring.
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