Forch 5331 1 18 3 Manual Original página 19

on the accuracy of the drill hole, as the drill bit
centres itself upon drilling.
Removing SDS-plus application tools
(see figure B2)
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– Push the locking sleeve (4) back and remove
the application tool.
Dust/Chip Extraction
Dust from materials such as lead-containing coat-
ings, some wood types, minerals and metal can be
harmful to one's health. Touching or breathing-in
the dust can cause allergic reactions and/or lead
to respiratory infections of the user or bystanders.
Certain dust, such as oak or beech dust, is con-
sidered carcinogenic, especially in connection with
wood-treatment additives (chromate, wood preser-
vative). Materials containing asbestos may only be
worked by specialists.
– Provide for good ventilation of the working
place.
– It is recommended to wear a P2 filter-class res-
pirator.
Observe the relevant regulations in your country
for the materials to be worked.
Avoid dust accumulation at the workplace.
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Dust can easily ignite.
Operation
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Start-up
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Setting the Operating Mode
The operating mode of the power tool is selected
using the impact/mode selector switch (7).
– To change the operating mode, press the re-
lease button (6) and turn the impact/mode se-
lector switch (7) until it clicks into the required
position.
Note: Only change the operating mode when the
power tool is switched off. Otherwise, the power
tool may become damaged.
Position for hammer drilling into con-
crete or stone
Position for drilling without impact in
wood, metal, ceramic and plastic and
for screwdriving
1 609 92A 7MC • 28.11.22
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Position for adjusting the chisel position
The impact/mode selector switch (7)
will not engage in this position.
Position for chiselling
Setting the rotational direction (see figure C)
The rotational direction switch (8) is used to
change the rotational direction of the power tool.
However, this is not possible while the on/off
switch (9) is being pressed.
Only operate the rotational direction
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switch (8) when the power tool is not in use.
Always set the rotational direction to clockwise ro-
tation for hammer drilling, drilling and chiselling.
– Clockwise: To drill and to drive in screws, press
the rotational direction switch (8) all the way to
the left.
– Anticlockwise: To loosen and unscrew screws
and nuts, press the rotational direction
switch (8) all the way to the right.
Switching On/Off
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– If necessary, release the lock-on button for the
on/off switch.
– To switch on the power tool, press the on/off
switch (9).
The worklight (12) lights up when the on/off switch
(9) is lightly or fully pressed, allowing the work
area to be illuminated in poor lighting conditions.
– To switch off the power tool, release the on/off
switch (9).
For low temperatures, the power tool reaches the
full hammer/impact capacity only after a certain
time.
Adjusting the Speed/Impact Rate
You can adjust the speed/impact rate of the power
tool when it is on by pressing in the on/off
switch (9) to varying extents.
Applying light pressure to the on/off switch (9) res-
ults in a low rotational speed/impact rate. Applying
increasing pressure to the switch increases the
speed/impact rate.
Changing the chisel position
You can lock the chisel in 13 different positions, so
you can select the optimum working position for
each task.
– Insert the chisel into the tool holder.
– Turn the impact/mode selector switch (7) to "set
chisel position".
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