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5.4 Test run for new grinding Wheels
Allow the right-angle grinder to run in idle for at
least 1 minute with the grinding or cutting wheel
fi
tted in place. Vibrating wheels are to be replaced
immediately.
6. Operation
6.1 Switch (Fig. 5)
To switch on:
The angle grinder comes with a
safety switch which is designed to prevent acci-
dents. To switch on, press down the On/O
ff
switch
(2) at the back while at the same time pushing
it forwards and then press it down at the front to
lock in place.
To switch o
ff
:
Press the rear, raised part of the
On/O
ff
switch and let it slide back into the original
position.
Restart safeguard
If the mains power supply is interrupted (or there
is a temporary power failure for t > 0.5 s.) when
the switch is locked in the On position, the electric
tool will not run after the power supply is restored.
For the equipment to run, the switch must be tur-
ned o
ff
and then on again.
Wait until the machine has reached its top
speed. You can then position the angle grin-
der on the workpiece and machine it.
6.2 Electric speed control (Fig. 1)
In
fi
nitely adjustable speed control is possible
with the electronic controller (6) at the rear of the
equipment. This angle grinder is also equipped
with constant electronics.
Overload cut-out:
If high short-time overloads occur (e.g. during
jamming of the wheel), the power supply will be
interrupted electronically and the machine will
switch o
ff
automatically. To restart, turn the equip-
ment o
ff
and on again.
If continuous constant overloading occurs, the
speed will be reduced automatically and the
machine‘s performance will be reduced. When
the overloading decreases, the speed will be
increased automatically and the machine‘s per-
formance will rise again.
6.3 Changing the guard (Fig. 3)
•
Remove the two flanges.
•
Press the clamping lever (a) and turn the gu-
ard (4) as shown in Fig. 3.
•
Remove the guard.
•
To fit the guard, push it onto the equipment
with the clamping lever pressed as shown in
Fig. 3.
•
Re-fit the two flanges to the spindle.
6.4 Changing the grinding wheels (Fig. 6)
Use the face spanner (5) supplied to change the
grinding wheels.
Important!
For safety reasons, the angle grinder
must not be operated with the face spanner (5)
inserted in it.
Pull out the power plug.
•
Simple wheel change by spindle lock:
•
Press the spindle lock and allow the grinding
wheel to latch in place.
•
Open the flange nut with the face spanner.
(Fig. 6)
•
Change the grinding or cutting wheel and
tighten the flange nut with the face spanner.
Important!
Only ever press the spindle lock when the
motor and grinding spindle are at a stand-
still! You must keep the spindle lock pressed
while you change the wheel!
For grinding or cutting wheels up to approx. 5 mm
thick, screw on the
fl
ange nut with the
fl
at side
facing the grinding or cutting wheel.
6.5 Flange arrangements when using grin-
ding wheels and cutting wheels (Fig.
7-10)
•
Flange arrangement when using a de-
pressed-centre or straight grinding wheel
(Fig. 8)
a) Clamping flange
b) Flange nut
•
Flange arrangement when using a de-
pressed-centre cutting wheel (Fig. 9)
a) Clamping flange
b) Flange nut
•
Flange arrangement when using a straight
cutting wheel (Fig. 10)
a) Clamping flange
b) Flange nut
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