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For your safety.
Read all safety warnings and all
instructions. Failure to follow the
warnings and instructions may result in electric shock,
fire and/or serious injury.
Save all warnings and instructions for future reference.
Do not use this power tool before you have thor-
oughly read and completely understood this
Instruction Manual and the enclosed “General
Safety Instructions” (document number
3 41 30 054 06 1). The documents mentioned should be
kept for later use and enclosed with the power tool,
should it be passed on or sold.
Please also observe the relevant national industrial safety
regulations.
Intended use of the power tool:
Hand-guided angle grinder for dry grinding/roughing and
cutting of metal and stone in weather-protected environ-
ments with the application tools and accessories recom-
mended by FEIN.
This power tool is also suitable for use with AC genera-
tors with sufficient power output that correspond to the
Standard ISO 8528, design type G2. This Standard is par-
ticularly not complied with when the so-called distortion
factor exceeds 10 %. When in doubt, please refer to the
generator instruction/specification guide.
WSG11-125 DC (7 121 77)
This power tool is designed for protection class III and
may only be operated with 110 V DC using a safety iso-
lating transformer.
Safety Warnings common for Grinding, Sanding,
Wire Brushing or Abrasive Cutting Off Operations
This power tool is intended to function as a grinder,
sander, wire brush or cut-off tool. Read all safety warn-
ings, instructions, illustrations and specifications pro-
vided with this power tool. Failure to follow all
instructions listed below may result in electric shock, fire
and/or serious injury.
Operations such as polishing are not recommended to be
performed with this power tool. Operations for which the
power tool was not designed may create a hazard and
cause personal injury.
Do not use accessories which are not specifically
designed and recommended by the tool manufacturer.
Just because the accessory can be attached to your power
tool, it does not assure safe operation.
The rated speed of the accessory must be at least equal
to the maximum speed marked on the power tool. Acces-
sories running faster than their rated speed can break and
fly apart.
The outside diameter and the thickness of your accessory
must be within the capacity rating of your power tool.
Incorrectly sized accessories cannot be adequately
guarded or controlled.
Threaded mounting of accessories must match the
grinder spindle thread. For accessories mounted by
flanges, the arbour hole of the accessory must fit the
locating diameter of the flange. Accessories that do not
match the mounting hardware of the power tool will run
out of balance, vibrate excessively and may cause loss of
control.
mm mm Ø
D
=Max. sanding pad diameter
mm mm M=Thread for clamping flange
l=Length of mounting thread
kg kg Weight according to EPTA-Procedure 01/2003
L
pA
dB dB Sound pressure level
L
wA
dB dB Sound power level
L
pCpeak
dB dB Peak sound pressure level
K...
Uncertainty
m/s
2
m/s
2
Vibrational emission value according to EN 60745
(vector sum of three directions)
h,AG
m/s
2
m/s
2
Mean vibrational value for angle grinding
h,DS
m/s
2
m/s
2
Mean vibrational value for sanding with sanding
sheet
m, s, kg, A, mm, V,
W, Hz, N, °C, dB,
min, m/s
2
m, s, kg, A, mm, V,
W, Hz, N, °C, dB,
min, m/s
2
Basic and derived units of measurement from the
international system of units SI.
Character Unit of measure-
ment, international
Unit of measure-
ment, national
Explanation
WARNING
OBJ_BUCH-0000000123-003.book Page 21 Tuesday, January 28, 2014 3:05 PM