Operating Modes - Bosch GHG 660 LCD Professional Manual Original

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 air flow can be regulated, the
temperature is set to 50 °C (cannot
be regulated), and programming
operation is not possible.
The cool-air stage is suitable for cooling down
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 , the current air-flow settings are
taken over.
Hot-air Stage
The air flow and temperature can be
regulated; normal and programming
operation are possible.
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.
Bosch Power Tools
All manuals and user guides at all-guides.com
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
2
3
4
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
the display. Once the requested air flow and tem-
to the
perature are set, press the save button 10 until
the
ues are now stored under the program number
indicated in the display.
Deforming plastic tubing
(e.g. LDPE)
Welding plastic (e.g. PVC)
Removing Varnish/Softening
Adhesives
Soldering
symbol flashes in the left top of
symbol in the display goes out. The set val-
1 609 929 L85 | (23.1.08)
English | 17
250
350
450
550