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wire may make exposed metal parts of the
power tool "live" and could give the operator an
electric shock.
Electrical safety
When using electric machines always observe the
safety regulations applicable in your country to
reduce the risk of fire, electric shock and personal
injury. Read the following safety instructions and
also the enclosed safety instructions.
Always check that the power supply
corresponds to the voltage on the rating
plate.
Class II machine - Double insulation - You
don't need any earthed plug.
• Do not use the machine if the mains cable or the
mains plug is damaged.
• Only use extension cables that are suitable for
the power rating of the machine with a minimum
thickness of 1.5 mm
cable reel, always fully unroll the cable.
2. MACHINE INFORMATION
Intended use
The demolition hammer is intended for demolishing
concrete, chiseling off concrete, grooving and bar
cutting.
Not suitable for construction site usage
TECHNICAL SPECIFICATIONS
Model No.
Mains voltage
Mains frequency
Power input
Impact rate
Number of chisel positions
Weight
Sound pressure (L
)
PA
Acoustic power (L
)
WA
Guaranteed (L
)
WA
WWW.VONROC.COM
. If you use an extension
2
DH501AC
220-240 V ~
50Hz
1.200W
3.100/min
12
6.22 kg
94 dB(A) K=3 dB(A)
105 dB(A) K=3 dB(A)
105 dB(A)
Vibration
Hammer drilling concrete ah,HD 12.550 m/s
Chiseling ah,Cheq
Wear hearing protection.
Vibration level
The vibration emission level stated in this instructi-
on manual has been measured in accordance with
a standardized test given in EN 60745; it may be
used to compare one tool with another and as= a
preliminary assessment of exposure to vibration
when using the tool for the applications mentioned.
• Using the tool for different applications, or with
different or poorly maintained accessories, may
significantly increase the exposure level.
• The times when the tool is switched off or when
it is running but not actually doing the job, may
significantly reduce the exposure level.
Protect yourself against the effects of vibration by
maintaining the tool and its accessories, keeping
your hands warm, and organizing your work pat-
terns.
DESCRIPTION
The numbers in the text refer to the diagrams on
page 2.
1. On/off switch
2. Power indicator
3. Lock-button
4. Chuck
5. Locking sleeve
6. Main grip
7. Auxiliary grip
8. Chisel position lock ring
9. Lubrication point
3. ASSEMBLY
Before assembly, always switch off the
machine and remove the mains plug from
the mains.
Mounting and removing the accessory (Fig. B)
Caution: chisels can get very hot.
K=1.5m/s
2
2
15.876 m/s
K=1.5m/s
2
2
5
EN
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