Practical Advice - Bosch GHG Professional 20-63 Notice Originale

Switch position
1
2 50–650
To increase the temperature, press "+" on the (12) button;
to decrease the temperature, press "–".
Briefly pressing the (12) button increases or decreases the
temperature by 10 °C. Pressing and holding down the button
continuously increases or decreases the temperature by
10 °C until the button is released or the maximum/minimum
temperature is reached.
The set target temperature is shown in the display for three
seconds. The actual temperature at the nozzle output is dis-
played and the unit of measure for the temperature (6)
flashes until the target temperature is reached. The unit of
measure for the temperature stops flashing once the target
temperature is reached.
If you reduce the temperature, it takes a little while
u
for the power tool to cool down.
Switch setting 1 is suitable for cooling down a heated work-
piece or for drying paint. It is also suitable for cooling down
the power tool before putting it down or changing the attach-
ment nozzles.
Saving airflow/temperature combinations (GHG 23-66)
You can save four airflow/temperature combinations or ac-
cess four saved preset combinations.
To do this, the on/off switch (4) must be set to switch posi-
tion 2.
Factory settings
Memory °C l/min Application
preset
A)
0 50 150 – Cooling down a workpiece
1 250 350 Shaping plastic pipes
2 350 400 Welding plastic
3 450 500 Removing varnish
4 550 400 Soft soldering
A) Not shown in the display
To call up a combination, keep pressing the memory button
(11) until the number you want appears in the display (5).
To save your own combination:
– Press the memory button (11) to select the memory pre-
set you want.
– Set the desired temperature and airflow. The memory
preset (5) flashes to indicate that the saved combination
has been changed.
– Press and hold down the memory button (11). The
memory preset (5) flashes for around two seconds. When
it lights up continuously, the new combination has been
saved.
Bosch Power Tools
°C l/min
50 150–300
150–500
– Drying paint

Practical advice

Pull the plug out of the socket before carrying out any
u
work on the power tool.
Note: Do not position the nozzle (1) too close to the work-
piece that you are using the power tool on. The resulting
build-up of air can cause the power tool to overheat.
Removing the heat shield
When working in particularly tight spaces, you can remove
the heat shield (2) by turning it.
Caution: Nozzle is hot! Working without the heat shield
u
increases the risk of burns.
Always switch the power tool off and allow it to cool before
removing or attaching the heat shield (2).
To make the power tool cool down quicker, you can also let it
run briefly on its lowest temperature setting.
Setting Down the Power Tool
Set the power tool down on the storage surfaces (3) to leave
it to cool down or to keep both hands free to work with.
Take particular care when working in the vicinity of
u
the power tool while it has been set aside. The heat
from the nozzle or the air flow can cause burns.
Position the power tool on an even, stable surface. Ensure
that it cannot tip over. Secure the cable outside of your
working area so that it cannot pull the power tool down or
cause it to flip over.
Switch the power tool off when not in use for a long period
and pull the mains plug out of the socket.
Example applications (see figures A–G)
Images of example applications can be found on the graphics
pages.
The distance between the nozzle and the workpiece de-
pends on the material you are working on (metal, plastic
etc.) and the intended working method.
The optimum temperature for each application can be de-
termined by a practical test.
Always test the amount of air and temperature first. Start at
a greater distance and a lower power setting. Then adjust
the distance and power setting according to requirements.
If you are unsure what material you are working on or what
effect the hot air might have on it, first test the effect on a
concealed area.
All example applications apart from "Stripping paint from
window frames" can be carried out without the use of ac-
cessories. However, using the recommended accessories
will simplify the work and considerably increase the quality
of the result.
Take care when changing the nozzle. Do not touch the
u
nozzle while it is hot. Leave the power tool to cool
down before changing the nozzle, and wear protective
gloves when doing so. The heat from the nozzle can
cause burns.
To make the power tool cool down quicker, you can also let it
run briefly on its lowest temperature setting.
English | 9
1 609 92A 4RE | (26.10.2018)