9
ENGLISH
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 IEC 60745 ; therefore
no earth wire is required.
WARNING: NEVER
use a light socket.
NEVER
connect the live (L) or
neutral (N) wires to the earth
pin marked E or .
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 conductor size is 1.5 mm
2
. When
using a cable reel, always unwind the cable
completely. Also refer to the following table.
Conductor size (mm
2
) Cable rating (Amperes)
0.75 6
1.00 10
1.50 15
2.50 20
4.00 251
Cable length (m)
7.5 15 25 80 45 60
Voltage Amperes Cable rating (Amperes)
115 0 – 2.0 6 6 6 6 6 10
2.1 – 8.4 6 6 6 6 6 15
8.5 – 5.0 6 6 10 15 20 20
5.1 – 7.0 10 10 15 20 20 25
7.1 – 12.0 15 15 20 25 25 –
12.1– 20.0 20 20 25 – – –
280 0 – 2.0 6 6 6 6 6 6
2.1 – 8.4 6 6 6 6 6 6
8.5 – 5.0 6 6 6 6 10 15
5.1 – 7.0 10 10 10 10 15 15
7.1 – 12.0 15 15 15 15 20 20
12.1 – 20.0 20 20 20 20 20 –
ASSEMBLY AND ADJUSTMENT
WARNING:
Prior to assembly and
adjustment always unplug the tool.
WARNING:
Always wear gloves when
changing accessories. The exposed
metal parts on the tool and accessory
may become extremly hot during
operation.
Inserting and removing SDS-max
®
accessories – D25901 (fig. 2, 8)
This machine uses SDS-max
®
chisels (refer to the
inset in fig. 8 for a cross-section of a chisel shank).
Only DeWALT recommended accessories should be
used with this product.
1. Clean and grease the chisel shank.
CAUTION:
Do not apply lubricant to the
machine.
2. Insert the chisel shank into the tool holder/
sleeve (e). Press and turn the chisel slightly until
the sleeve snaps into position.
3. Pull on the chisel to check if it is properly
locked. The hammering function requires
the chisel to be able to move axially several
centimetres when locked in the tool holder.
4. To remove a chisel, pull back the tool holder/
sleeve (e) and pull the chisel out of the tool
holder.
Indexing the chisel position (fig. 6)
The chisel can be indexed and locked into 12
different positions.
1. Insert the chisel as described above.
2. Rotate the chisel position collar (d) in the
direction of the arrow until the chisel is in the
desired position.
Setting the electronic impact power
control dial – D25901 (fig. 1)
Turn the dial (c) to the desired level. The higher the
number, the greater the impact energy. With dial
settings from «1» (low) to «7» (full power) the tool is
extremely versatile and adaptable for many different
applications.
The required setting is a matter of experience, for
example:
• when chiselling soft, brittle materials or when
minimum break-out is required, set the dial to
«1» or «2» (low);
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