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DeWalt D21580K T-2 Manual

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ENGLISH
38
Electronic Overload Protection
The electronic overload protection offers additional
safety: if the current approaches a certain limit,
the warning indicator LED (c) lights up to indicate
that the machine switches into overload mode if
operation is continued at the same pressure level.
Reduced operator pressure on the machine makes
the electronics switch back into normal mode.
If continuous overload pressure is applied, the
machine switches off. Thus, overheating of
the motor windings is avoided. The machine is
operational again after the load has been released.
Thermal Protection
After the machine has worked in overload for a
long period of time, the thermal protection shuts
off the machine to protect the motor. The machine
will be operational after the thermal protection has
cooled down. The time of cooling down depends
on the overheating of the motor and the ambient
temperature.
Water Supply
D21582
The integrated water swivel works directly through
the motor shaft to provide continuous cooling of the
core bit in wet drilling applications.
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 DEWALT tool is double insulated in
accordance with EN 60745; therefore no
earth wire is required.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
DEWALT service organization.
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.
Using an Extension Cable
If an extension cable is required, use an approved 3–
core extension cable suitable for the power input of
this tool (see technical data).The minimum conductor
size is 1.5 mm
2
; the maximum length is 30 m.
When using a cable reel, always unwind the cable
completely.
Fitting a Mains Plug to 115 V Units
(U.K. & Ireland only)
• The plug should be fitted by a competent
person. If you are in doubt, contact an
authorized DEWALT repair agent or a qualified
electrician.
• The plug fitted should comply with BS EN
60309 (BS4343), 16 Amps, earthing contact
position 4h.
The wires are coloured according to the following
code:
live = brown
neutral = blue
• Do not connect the blue or brown wire to the
earth terminal in the plug. Connect as follows:
brown to terminal marked “L”
blue to terminal marked “N”
WARNING: Always ensure that the
cable clamp is correctly and securely
fitted to the sheath of the cable.
DI-switch (In-line Protector PRCD)
(fi g. 1)
D21582
The machine is equipped with a portable residual
current device (PRCD) (z), which protects the user
against electric shock by interrupting the circuit
when a leakage current of 10 mA or greater is
detected. For 115 V units the rated leakage current
is 6 mA.
WARNING: Never operate the machine
without the PRCD in place. Do not
use the machine if the PRCD does not
function properly. For the PRCD to work,
the machine must be connected to an
earthed wall socket.
TO SWITCH ON THE RCD
I = ON (red LED lights up).
Switch on the machine (also refer to the section
Switching On and Off).
… 40 …


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