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Operation - stayer FH650 Bedienungsanleitung

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the direction of rotation of the machine (see direction-of-
rotation arrow on the machine head) agree.(7 8 9)
See graphics page for the mounting sequence. To fasten
the grinding/cutting disc, screw on the clamping nut 9 and
tighten with the twohole spanner.
After mounting the grinding tool and before switching
on, check that the grinding tool is correctly mounted
and that it can turn freely. Make sure that the grinding
tool does not graze against the protection guard or
other parts.
3.3. Approved Grinding Tools
All grinding tools mentioned in these operating instructions
can be used.
The permissible speed [rpm] or the circumferential speed
[m/s] of the grinding tools used must at least match the
values given in the table.
T h e r e f o r e ,
o b s e r v e
rotational/circumferential speed on the label of the grinding
tool.
máx
[mm]
D
d
115
D
b
125
3.4. Dust/Chip Extraction
Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful to
one's health. Touching or breathing-in the dusts can cause
allergic reactions and/or lead to respiratory infections of the
user or bystanders.
Certain dusts, such as oak or beech dust, are considered as
carcino genic, especially in connection with wood-
treatment additives (chromate, wood preservative).
Materials containing asbestos may only be worked by
specialists.
– Use dust extraction whenever possible.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filterclass respirator.
Observe the relevant regulations in your country for the
materials to be worked.

4.- Operation

4.1.- Starting Operation
Observe correct mains voltage! The voltage of the
power source must agree with the voltage specified on
the nameplate of the machine. Power tools marked with
230 V can also be operated with 220 V.
t h e
p e r m i s s i b l e
[mm]
-1
b
d
[min
]
[m/s]
6
22,2
11000
6
22,2
10500
ENGLISH
19
When operating the machine with power from mobile
generators that do not have sufficient reserve capacity or
are not equipped with suitable voltage control with starting
current amplification, loss of performance or untypical
behavior can occur upon switching on.
Please observe the suitability of the power generator being
used, particularly with regard to the mains voltage and
frequency.
Switching On and Off
To start the power tool, push the On/Off switch 3 forwards.
To lock the On/Off switch 3, press the On/Off switch 3 down
at the front until it latches.
To switch off the power tool, release the On/Off switch 3 or,
if it is locked, briefly push down the back of the On/Off
switch 3 and then release it.
Check grinding tools before using. The grinding 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
damaged, out-of-centre or vibrating grinding tools.
Damaged grinding tools can burst and cause injuries.
4.2. Working Advice
- Exercise caution when cutting slots in structural walls; see
Section "Information on Structures ".
- Clamp the workpiece if it does not remain stationary due to
its own weight.
- Do not strain the machine so heavily that it comes to a
80
standstill.
80
- Grinding and cutting discs become very hot while working;
do not touch until they have cooled.
Rough Grinding
Never use a cutting disc for roughing.
The best roughing results are achieved when setting the
machine at an angle of 30° to 40°. Move the machine back
and forth with moderate pressure. In this manner, the
workpiece will not become too hot, does not discolour and
no grooves are formed.
Cutting Metal
When cutting, work with moderate feed, adapted to the
material 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.
19
Otherwise, 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.

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