DUSS PK 300 A Operating Instructions

Operating instructions
PK 300 A demolition hammer
Technical data
Power input
Voltage
Current input
Frequency
Machine weight
Impact rate under load
Single impact energy
Chiselling performance in hard C45/55 concrete with pointed chisel
Chuck
Permanent lubrication
Swivelling D-handle and screw-in auxiliary handle
Pushbutton switch on/off with trigger lock, ensuring non-fatiguing work
Electronic for constant impact rate control, full load impact rate = no load impact rate
Impact rate and force infinitely adjustable with adjusting dial
Service indicator
Self disengaging carbon brushes
CENELEC / EN 60745 Class II device
Interference-suppressed in accordance with EN 55014
Specifications subject to change
Components and control elements
1 · RVA Recoil Vibration Absorber
2 · Holder for auxiliary handle
3 · Adjusting dial for impact rate and force
4 · Trigger lock for pushbutton switch
5 · Pushbutton switch on/off
6 · Service indicator
7 · Swivelling D-handle
8 · Locking sleeve
Applications
The PK 300 A demolition hammer is suitable for chiselling in
concrete, stone and similar materials. The user is solely responsible for
damages which result from improper use.
Electrical connection
To prevent the breaker from being started unintentionally during
care, maintenance or repair operations, and before replacing the
tool, unplug the machine at the mains socket.
The machine is a Class II device and is totally insulated. For this
www.duss.de
8
Translation of the PK 300 A original operating instructions
reason, the housing must never be grounded or drilled with holes, it
must never be used if damaged, and it must always be kept dry. The
voltage indicated on the rating plate must agree with the power supply
voltage. Only use the extension lead with sufficient section approved
for the field of application.
Inserting and changing tools
Unplug the supply cord from the electrical socket to prevent
unintentional starting. Remove the protective sleeve from the
hexagonal shaft and store it.
Clean the insertion end of the tool, coat it lightly with a grease film
using the tube of DUSS grease.
Insert the tool in the required position until it engages in the tool holder.
The tool locks automatically. Pull on the tool to proof if it is properly
locked. Regrease the insertion end of the tool at regular intervals of 2 -
3 hours of operation. Changing the tool: Pull back the locking sleeve (8)
and remove the tool. While changing the tool make sure that no debris
enters the chuck.
Replace the protective sleeve on the hexagonal shaft immediately after
removing the tool.
1
6
1
PK 300 A
1700 W
230 V
9.4 A
50 - 60 Hz
13.6 kg
1000 - 1900 impacts/min
14 - 27 J
approx. 730 kg/h
22 mm hexagon
1