Working Advice - Würth TG 12-A Manual De Instrucciones

OBJ_BUCH-2828-001.book Page 23 Monday, June 13, 2016 4:48 PM
 Check grinding tools before using. The grind-
ing tool must be mounted properly and be
able to move freely. Carry out a test run for at
least one minute with no load. Do not use dam-
aged, out-of-centre or vibrating grinding tools.
Damaged grinding tools can burst and cause injuries.
Temperature Control/Overload Protec-
tion Indicator
The red LED indicator 6 will help you in protecting the battery
against overheating and the motor against overloading.
When the LED indicator 6 continuously lights up red,
the temperature of the battery is too high and the machine
switches off automatically.
• Switch the power tool off.
• Allow the battery to cool down before continuing to work.
The LED indicator 6 flashes red, the power tool is blocked
and switches off automatically.
• Remove the power tool from the workpiece.
The power tool will continue to work as soon as the block-
age is rectified.

Working Advice

 Exercise caution when cutting slots in struc-
tural walls; see Section "Information on Struc-
tures".
 When cutting lightweight materials, take into
account the statutory provisions and recom-
mendations of the material manufacturer.
 Clamp the workpiece if it does not remain sta-
tionary due to its own weight.
 Do not strain the machine so heavily that it
comes to a standstill.
 After heavily straining the power tool, con-
tinue to run it at no-load for several minutes to
cool down the accessory.
 Do not touch grinding and cutting discs before
they have cooled down. The discs can become very
hot while working.
 Do not use the power tool with a cut-off stand.
When the power tool is electrostatically charged, the built-in
electronic control switches it off. To restart the power tool,
press the On/Off switch 3 again.
Cutting Metal
 For cutting with bonded abrasives, always use
the protection guard for cutting 10.
When cutting, work with moderate feed, adapted to the mate-
rial being cut. Do not exert pressure onto the cutting disc, tilt
or oscillate the machine.
Do not reduce the speed of running down cutting discs by
applying sideward pressure.
The machine must always work in an up-grinding motion. Oth-
erwise, the danger exists of it being pushed uncontrolled
out of the cut.
When cutting profiles and square bar, it is best to start at the
smallest cross section.
Cutting Stone
 Provide for sufficient dust extraction when cut-
ting stone.
 Wear a dust respirator.
 The machine may be used only for dry cut-
ting/grinding.
For cutting stone, it is best to use a diamond cutting disc.
For cutting especially hard material, e. g., concrete with high
pebble content, the diamond cutting disc can overheat and
become damaged as a result. This is clearly indicated by cir-
cular sparking, rotating with the diamond cutting disc.
In this case, interrupt the cutting process and allow the dia-
mond cutting disc to cool by running the machine for a short
time at maximum speed with no load.
Noticeably decreasing work progress and circular sparking
are indications of a diamond cutting disc that has become
dull. Briefly cutting into abrasive material (e. g. lime-sand
brick) can resharpen the disc again.
Information on Structures
Slots in structural walls are subject to the Standard DIN 1053
Part 1, or country-specific regulations.
These regulations are to be observed under all circumstances.
Before beginning work, consult the responsible structural engi-
neer, architect or the construction supervisor.
Recommendations for Optimal Han-
dling of the Battery
Protect the battery against moisture and water.
Store the battery only within a temperature range between
–20 °C and 50 °C. As an example, do not leave the bat-
tery in the car in summer.
A significantly reduced working period after charging indi-
cates that the battery is used and must be replaced.
Observe the notes for disposal.
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