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2.2.4 s
Afety guArd
If a safety guard is supplied with the hand tool, it is
imperative that the safety guard be used.
2.2.5 s
elect speed
Select a speed from the table and set this for the grinding
tool at the setting wheel.
Level 1: 11000min-1
Level 2: 13000min-1
Level 3: 16000min-1
During operation never exceed the speed which
has been matched to the grinding tool specifica-
tions!
2.2.6 t
/t
urn on
urn off
The switch must be at the OFF position, i.e. the «0» is
visible. To switch ON the tool, press the switch. The «1»
becomes visible.
Before turning on the machine, make sure to re-
move wrenches and adjusting tools. Before start-
ing the machine, hold the hand tool against turn-
ing!
2.3 r
Ating dAtA
Voltage
Power Input
Power Output
Protection class
Type of protection
Overload protection
No-load speed
Sound pressure level
Sound power level
Level 4: 19000min-1
Level 5: 22000min-1
Level 6: 25000min-1
230/120V, 50/60Hz, 5/9,5A
1050W
850W
II
IP45
yes
11000-25000min-1
85dB(A), K=3m/s2
98dB(A), K=3m/s
2
Threaded connection for flexible shafts of type:
DIN 10
NA 4, NA 7
2.3.1 V
iBrAtion mesurement VAlues of hAnd tools
FH 7
Measurement value 3.2m/s
WI 7 - 45°
Measurement value <2.5m/s
WI 7
Measurement value <2.5m/s
WIG 7
Measurement value 4.2m/s
According to ISO/EN 8662-4.
The specified vibration value was measured with a
standardised test method and may differ from the
actual operating value. The specified value can be
used for product comparisons or for an introductory as-
sessment of work breaks.
2.4 o
perAting conditions
Temperature range during operation: 0 to +50°C
Relative air humidity: 90% at +30°C, 65% at +50°C
To avoid strong looping movements and beaming
of the flexible shafts, the working pressure must
be reduced.
3.
haNDLINg
3.1 p
rotectiVe deVices
3.1.1 p
rotection of the mAchine
s
tArting current limitAtion
The electronically controlled soft starting provides for jerk-
free starting of the machine. Due to the low machine star-
ting current a 10 A fuse is adequate.
t
-
emperAture
dependent oVerloAd protection
For protection against overheating, when a critical tem-
perature is reached the electronic safety feature switches
into the cool-down mode. The machine then continues to
run at a speed of approx: 11000min
constant speed control is deactivated. After a cool-down
time of approx. 10 - 20 s the machine is again ready for
operation. Turn the machine off and back on again to acti-
vate the electronic constant speed control. With the tool at
operating temperature the temperature-dependent over-
load protection reacts correspondingly earlier.
M10
see catalog
Test grinding wheel ø25x10
/K=1.5m/s
2
2
Drive 25'000min
-1
Test grinding wheel ø50x10
/K=1.5m/s
2
2
Drive 17'000min
-1
Test grinding wheel ø50x6
/K=1.5m/s
2
2
Drive 17'000min
-1
Test grinding wheel ø115x6
/K=1.5m/s
2
2
Drive 28'000min
-1
/ o
PERaTIoN
-1
and the electronic
21
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