Assembly And Adjustments; Soft Start Feature; Fully Vibration-Dampened Handles; Active Vibration Control - DeWalt D25980 Instruction Manual

EN G LI SH
INTENDED USE
D25980 demolition hammer has been designed for
professional heavy duty demolition, chipping and
chasing applications in concrete, brick, stone and
other masonry materials.
DO NOT use under wet conditions or in presence of
flammable liquids or gases.
These demolition hammers are professional power
tools. DO NOT let children come into contact with
the tool. Supervision is required when inexperienced
operators use this tool.

Soft Start Feature

The soft start feature allows the impact rate to build
up more slowly, thus preventing the chisel or point
from "bouncing" around on the masonry when
starting up.

Fully Vibration-dampened Handles

(fig. 1)
The dampers in the handles (b) absorb the vibrations
transmitted to the user. This improves user comfort
during the operation.

Active Vibration Control

The active vibration control neutralises rebound
vibration from the hammer mechanism. Lowering
hand and arm vibration, it allows more comfortable
use for longer periods of time and extends the life of
the unit.

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 WALT tool is double insulated in
e
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.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
D WALT service organization.
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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
7
conductor size is 1.5 mm
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.
Inserting And Removing 28 mm Hex
Accessories (fig. 4–6)
This machine uses chisels with a 28 mm hex. shank.
We recommend to use professional accessories
only.
WARNING: Since accessories other
than those offered by D
been tested with this product, the use of
such accessories may entail hazardous
situations. To reduce the risk of injury,
use only accessories recommended by
D WALT.
e
Clean the chisel shank.
WARNING: Do not apply lubricant to
the machine.
TO FIT A CHISEL WITH GROOVE IN THE SHANK, PROCEED
AS FOLLOWS (FIG. 5)
1. Pull the tool retainer (c) to the unlock position.
2. Hold the chisel in front of the tool holder with
the groove (m) facing upwards.
3. Insert the chisel shank into the tool holder (d).
4. Push the retainer (c) backwards to lock the
accessory in position.
TO FIT A CHISEL WITH COLLAR ON THE SHANK, PROCEED
AS FOLLOWS (FIG. 6)
1. Pull the tool retainer (c) to the unlock position.
2. Insert the chisel shank into the tool holder (d).
3. Push the retainer (c) in line with the accessory
shank to lock the accessory in position.
4. 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.
To remove a chisel pull back the retainer (c) and pull
the chisel out of the tool holder.
; the maximum length
2
WALT have not
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