Maintenance And Service; Maintenance And Cleaning - Bosch GHG Professional 500-2 Notice Originale

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10 | English
Shaping Plastic Tubing (see figure C)
Mount the reflector nozzle 10 (accessory). To
avoid kinking of the tubing, fill the tubing with
sand and plug both ends. Heat the tubing evenly
by by applying the heat from side to side.
Welding Plastics (see figure D)
Mount the reduction nozzle 13 and the welding
shoe 12 (both accessories). The workpieces to
be welded and the welding rod 11 (accessory)
must be of the same material (e.g. both of PVC).
The seam must be clean and grease-free.
Carefully heat up the seam location until it be-
comes doughy. Please note that the tempera-
ture difference between the doughy and liquid
state of plastic is low.
Feed in the welding rod 11 and allow it to run in-
to the gap so that a uniform bead is produced.
Shrinking (see figure E)
Mount the reduction nozzle 13 (accessory). Se-
lect the diameter of the heat-shrinkable sleeve 14
(accessory) according to the workpiece (e.g. a ca-
ble lug). Heat the heat-shrinkable sleeve evenly.
Defrosting Water Pipes (see figure F)
Before heating pipes, check to make sure
that it is actually a water pipe. Water lines
often do not differ in appearance from gas
lines. Gas lines are not to be heated under
any circumstances.
Place on the angle nozzle 15 (accessory). Heat
the frozen zone always from the outside to the
middle.
Heat up plastic pipes as well as connections be-
tween pipe pieces especially careful to prevent
damage.
1 609 929 X69 | (23.11.10)
Soft Soldering (see figure G)
For point soldering, place on the reduction noz-
zle 13, for the soldering of pipes/tubing, place
on the reflector nozzle 10 (both accessories).
If solder without flux is used, apply soldering
grease or paste to the location to be soldered.
Warm the location to be soldered for
50–120 seconds depending on the material. Ap-
ply the solder. The solder must melt from the
workpiece temperature. After the soldered loca-
tion has cooled, remove the flux.

Maintenance and Service

Maintenance and Cleaning

Before any work on the machine itself, pull
the mains plug.
For safe and proper working, always keep
the machine and ventilation slots clean.
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts order,
please always include the 10-digit article
number given on the type plate of the machine.
Bosch Power Tools