5
ENGLISH
WARNING: We recommend the use of a residual current
device with a residual current rating of 30mA or less.
Residual Risks
In spite of the application of the relevant safety regulations
and the implementation of safety devices, certain residual risks
cannot be avoided. These are:
• Impairment ofhearing.
• Risk of personal injury due to flyingparticles.
• Risk of burns due to accessories becoming hot
duringoperation.
• Risk of personal injury due to prolongeduse.
SAVE THESE INSTRUCTIONS
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 IEC60745; therefore no earth wire is required.
If the supply cord is damaged, it must be replaced only by
DeWALT or an authorised serviceorganisation.
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 cablecompletely.
Package Contents
The package contains:
1 Rotary hammer
1 Side handle
1 Kit box
1 Instruction manual
• Check for damage to the tool, parts or accessories which may
have occurred duringtransport.
• Take the time to thoroughly read and understand this manual
prior tooperation.
Markings on Tool
The following pictograms are shown on the tool:
Read instruction manual beforeuse.
Wear earprotection.
Wear eyeprotection.
Date Code Position (Fig. A)
The date code
12
, which also includes the year of manufacture,
is printed into thehousing.
Example:
2019 XX XX
Year of Manufacture
Description (Fig. A)
WARNING: Never modify the power tool or any part of it.
Damage or personal injury couldresult.
1
Trigger switch
2
Front Barrel (Collar)
3
Mode selector switch
4
Main handle
5
Bit holder
6
Locking sleeve
7
Lock-on switch
8
Electronic speed and
impact control dial
9
Red anti-rotation system
indicator LED
10
Yellow brushwear
indicator LED
11
DeWALT tool tag mounting
holes
12
Date code
Intended Use
Your heavy-duty rotary hammer is designed for professional
masonry drilling and chisellingapplications.
DO NOT use under wet conditions or in the presence of
flammable liquids orgases.
Your heavy-duty rotary hammer is a professional powertool.
DO NOT let children come into contact with the tool.
Supervision is required when inexperienced operators use
thistool.
• Young children and the infirm. This appliance is not
intended for use by young children or infirm persons
withoutsupervision.
• This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or
mental abilities; lack of experience, knowledge or skills
unless they are supervised by a person responsible for their
safety. Children should never be left alone with thisproduct.
Soft Start Feature
The soft start feature allows the tool to accelerate slowly, thus
preventing the drill bit from walking off the intended hole
position whenstarting.
The soft start feature also reduces the immediate torque
reaction transmitted to the gearing and the operator if the
hammer is started with the drill bit in an existinghole.
Active Vibration Control (AVC) System
For best vibration control, hold the tool as described in Proper
Hand Position and apply just enough pressure so the damping
device on the main handle is approximately midstroke.
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 theunit.
The hammer only needs enough pressure to engage the active
vibraton control. Applying too much pressure will not make