Operating Modes - Bosch GHG 660 LCD Professional Originalbetriebsanleitung

OBJ_BUCH-485-001.book Page 17 Wednesday, January 23, 2008 12:48 PM
The button lock is now activated. The preset val-
ues for temperature and air flow are indicated in
the hot-air stage . After pushing any button,
"LOC" is indicated in the display and the values
cannot be changed.
Deactivating the Button Lock:
Switch the power tool off. Push and hold the
save button 10 and switch the power tool on
again. The display indicates "ON" for the activat-
ed button lock. Push the temperature button 9
and the air-flow control button 8 in the same se-
quence as when activating the button lock. The
display indicates "OFF" for the deactivated but-
ton lock.

Operating Modes

Cool-air Stage
The cool-air stage
a heated-up workpiece or for drying paint. It is
also suitable for cooling down the power tool
before placing it down or changing nozzles.
When changing from the hot-air stage with high-
er temperatures, it will take a few moments until
the power tool has cooled down to 50 °C. During
cooling down, the display 7 indicates the actual
temperature at the nozzle outlet.
When changing from the hot-air stage
cool-air stage
taken over.
Hot-air Stage
When changing from the cool-air stage
hot-air stage , the air flow, temperature and pos-
sibly the program are automatically adjusted ac-
cording to the settings of the last hot-air stage
operation.
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The air flow can be regulated, the
temperature is set to 50 °C (cannot
be regulated), and programming
operation is not possible.
is suitable for cooling down
, the current air-flow settings are
The air flow and temperature can be
regulated; normal and programming
operation are possible.
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Programming Operation
In programming operation, it is possible to con-
tinuously store the air-flow and temperature ad-
justments in four programs. Each program allows
for different air-flow and temperature combina-
tions.
In progamming operation, it is also possible to
change the air flow and temperature any time.
When the changes are not saved, they are lost
after switching off or changing to a different
program.
To change to programming operation, press
the program-selection button 6 until the number
of the requested program is indicated in the
display 7.
The following four programs are preset in the
condition of delivery:
1 Deforming plastic tubing
(e.g. LDPE)
2 Welding plastic (e.g. PVC)
3 Removing Varnish/Softening
Adhesives
4 Soldering
to the
To change a set program, switch to this program
by pressing the program-selection button 6. Set
the requested air flow and temperature with the
air-flow control button 8 and the temperature-
control button 9.
As soon as the settings of a program have been
changed, the
to the the display. Once the requested air flow and tem-
perature are set, press the save button 10 until
the symbol in the display goes out. The set val-
ues are now stored under the program number
indicated in the display.
English | 17
250
350
450
550
symbol flashes in the left top of
1 609 929 L85 | (23.1.08)