15
Changing the Chiselling Position
The chisel can be locked in 12 positions. In this manner, the
optimum working position can be set for each application.
• Insert the chisel into the tool holder.
• Push the chisel adjustment ring
3
forward and turn the
chisel to the required position with the chisel adjustment
ring
3
.
• Release the chisel adjustment ring
3
and turn the chisel
until it latches.
Working Advice
Before any work on the machine itself, pull the
mains plug.
Sharpening Chisels
Good results are only achieved with sharp chisels; therefore,
sharpen the chiselling tools in good time. This ensures a long
service life of the tools and good working performance.
Re-sharpening
Sharpen chiselling tools using grinding wheels (e. g. ceramic
bonded corundum wheel) with a steady supply of water. Ref-
erence values are shown in the figure. Take care that no
annealing coloration appears on the cutting edges; this
impairs the hardness of the chiselling tools.
For
forging
, heat the chisel to between 850 and 1050 °C
(bright red to yellow).
For
hardening
, heat the chisel to approx. 900 °C and
quench in oil. Then anneal in an oven for approx. one hour at
320 °C (annealing colour = light blue).
Maintenance and Cleaning
Before any work on the machine itself, pull the
mains plug.
For safe and proper working, always keep the
machine and ventilation slots clean.
A damaged dust protection cap should be
changed immediately. We recommend having
this carried out by an after-sales service.
Service Indicator 6
When the carbon brushes are worn out, the machine switches
itself off. This is indicated approx. 8 hours beforehand by the
lighting or blinking of the service indicator
6
. The machine
must then be sent to an after-sales service agent.
If the machine should fail despite the care taken in manufac-
turing and testing procedures, repair should be carried out by
a Würth master-Service.
In all correspondence and spare parts orders, please always
include the article number given on the type plate of the
machine.
The current spare parts list for this power tool can be viewed
on the internet at http://www.wuerth.com/partsmanager or
be requested from your next Würth branch office.
Guarantee
For this Würth power tool, we provide a guarantee in accord-
ance with the legal/country-specific regulations from the date
of purchase (verified by invoice or delivery document). Dam-
age that has occurred will be corrected by replacement or
repair.
Damage caused by normal wear, overloading or improper
handling is excluded from the guarantee.
Claims can only be accepted if the power tool is sent undisas-
sembled to a Würth branch office, your Würth sales repre-
sentative or a customer service agent for Würth power tools.
Disposal
The machine, accessories and packaging should be sorted for
environmental-friendly recycling.
Do not dispose of power tools into household waste!
Only for EC countries:
According to the European Directive
2012/19/EU for Waste Electrical and Elec-
tronic Equipment and its implementation into
national right, power tools that are no longer
usable must be collected separately and dis-
posed of in an environmentally correct man-
ner.
Subject to change without notice.
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