9
ROTARY HAMMER
EN
MAINTENANCE
ATTENTION!
Before starting maintenance and adjustment of the Electrical Rotary Hammer unplug the power cord
from the power outlet. To ensure quality and safe functioning keep your tool and vents clean at all times.
•
If you notice a decrease in impact energy, working tool speed of rotation or extraneous noise, it is necessary to
hand over the punch to the service center for its repair.
•
Working tool maintenance. The use of the worn working tool reduces the effectiveness of the work and may
result in motor or gearbox failure, so you need to sharpen periodically or replace worn removable tools, as soon
as there is a need.
•
Electric motor care. You must be especially careful with the electric motor, avoid getting liquids and objects
inside the case. Keep your ventilation holes clean, blow them regularly with compressed air or clean them with
a brush. When noticeable sparks appear, contact an authorized service center for diagnostics and replacement
of carbon brushes if necessary.
•
To prevent dust and grease leakage this Electrical Rotary Hammer has a hermetic design. Therefore, the tool
can be used for a long time and you have no need to replace or add grease. After initial commissioning change
lubrication every 6 months of operation.
•
Clean the tool holder box every time after use.
•
In case of any damage to the power cord turn off the Electrical Rotary Hammer immediately, carefully, without
touching the places of damage, disconnect it from the mains.
ATTENTION!
Electrical Rotary Hammers use power cord with mounting type Y: for security it must be replaced by
authorized repair shop personnel.
Possible faults
Fault
Probable cause
Problem solution
When turning on the Electrical
Rotary Hammer, there is no
impact or rotation of the tool.
Damaged gear or impact mechanism.
Call the service center.
At turning on the electric
motor does not work (line
voltage available).
Damaged switch or plug.
Call the service center.
Broken power cord or mounting wire.
Brush or collector malfunction.
Circular fire on the collector.
Damage in the armature winding.
Call the service center.
Wearout /”hang ” of brushes.
The tool does not switch
on, the indicator of carbon
brushes is lighting.
Carbon brushes are worn.
Call the service center.
Increased noise in the gear or
impact mechanism.
Wearout / breakage of the mechanism parts.
Call the service center.
When working smoke or smell
of burning insulation goes out
from the vent.
Interturn closure of armature or stator
windings.
Call the service center.
Malfunction of the electrical part of the
instrument.
Tooling is not fixed or not
extracted from the box.
Damaged device of the tooling mount.
Call the service center.
The use of low-quality tooling.
Use high-quality tooling.
