Operation; Maintenance - DeWalt D25840 Originalanweisungen

Setting the Electronic Speed and
Impact Control Dial (fi g. 2)
Turn the dial (b) to the desired level. Turn the dial
upwards for higher speed and downwards for
lower speed. The required setting is a matter of
experience, e. g.:
– when chiselling or drilling in soft, brittle materials
or when minimum break-out is required, set the
dial to a low setting;
– when breaking or drilling in harder materials, set
the dial to a high setting.
Assembling and Fitting the Side
Handle (fi g. 7)
The side handle (h) can be mounted on either side of
the machine to suit both RH- and LH-users.
WARNING: Always operate the
tool with the side handle properly
assembled.
1. Snap the steel ring (j) over the collar (g) behind
the tool holder (f).
2. Place the clamping pieces (k) over the ends of
the steel ring.
3. Fit the locking plates (l) into the side handle (h).
4. Squeeze the clamping pieces together and fit
the side handle, making sure that the teeth on
the locking plates (l) and the clamping pieces (k)
engage.
5. Insert the bolt (m) and screw on the clamp
wheel (n). Do not tighten.
6. Move the side handle mounting assembly to the
desired position.
7. Lock the side handle mounting assembly in
place by tightening the clamp wheel (n).

OPERATION

Instructions for Use
WARNING:
• Always observe the safety instructions
and applicable regulations.
• For your own safety, always use the
tool with both hands.
• Be aware of the location of pipework
and wiring.
• Apply a pressure of approx. 20 kg
to the tool. Excessive force does not
speed up chiselling but decreases tool
performance and may shorten tool life.
Proper Hand Position (fi g. 1, 8)
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 (h), with the other hand on the main handle
(i).
Switching On and Off (fi g. 9)
1. To turn the tool on, press the lower part of the
on/off switch (a).
2. To turn the tool off, press the upper part of the
on/off switch (a).
Chipping and Chiselling (fi g. 1)
1. Insert the appropriate chisel and rotate it by
hand to lock it into one of 24 positions.
2. Set the electronic speed and impact control dial
(b).
3. Fit and adjust the side handle (h).
4. Switch on the tool and start working.
5. Always turn the tool off when work is finished
and before unplugging.

MAINTENANCE

Your D WALT power tool has been designed to
E
operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper tool care and regular cleaning.
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.
Service Indicator LEDs (fi g. 2)
The yellow brushwear indicator LED (d) lights up
when the carbon brushes are nearly worn out.
After a further 8 hours of use, the brushes have
completely worn out and the motor will automatically
be shut off.
EN GL IS H
27