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DeWalt D21570 Manual

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ENGLISH
32
E-CLUTCH ANTI-LOCK CONTROL™ (FIG. 4)
DWD530, D21570
Your DEWALT drill may come with an electronic
feature called E-CLUTCH Anti-Lock Control™. It is
designed to help you control the drill during a stall
and keep it from pulling out of your hands. This may
be encountered when drilling in steel or using large
bits in wood.
As a stall situation presents itself, the motor cycles
on and off for a set period of time. This reduces
the reaction of the stall and allows you to keep the
drill under control. Releasing the trigger resets the
E-Clutch and the unit will operate in normal mode
when the trigger is depressed again.
The E-CLUTCH Anti-Lock Control™ also
incorporates an overload protection feature designed
to help prevent the unit from becoming too hot
during high load applications.
If the unit becomes excessively hot during operation
this feature will cut the motor, The feature will
continue to cut the motor if it is restarted and placed
under a high load before it has cooled off.
Figure 4 shows the instruction label (n) mounted on
the housing. There are two alert modes.
1. Engaged Mode: When a stall situation
presents itself, the light will come on and stay
on as the motor cycles on and off for a set
period of time before the E-CLUTCH Anti-Lock
Control™ completely shuts the tool down.
When the unit is running in normal mode, there
will be no light.
2. Problem Mode: A series of continual flashes
as the trigger is pulled indicates that the
electronics are no longer functioning. The tool
may still be able to function without the benefit
of E-CLUTCH Anti-Lock Control™ but should
be serviced as soon as possible.
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.
WARNING: 115 V units have to
be operated via a fail-safe isolating
transformer with an earth screen
between the primary and secondary
winding.
This product is intended to be used with
a safety transformer manufactured to
BSEN61558 and BS4343. Never work
without this transformer in place.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
DEWALT service organisation.
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.
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.
Side Handle (fi g. 2)
WARNING: To reduce the risk of
personal injury, ALWAYS operate
the tool with the side handle
properly installed. Failure to do so
may result in the side handle slipping
during tool operation and subsequent
loss of control. Hold tool with both
hands to maximize control.
A side handle (e) is supplied with this percussion
drill. It clamps to the front of the gear case as
shown in figure 2 and can be rotated 360˚ for right-
or left- hand use.
… 34 …


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