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6.2 Electrical connection
6.2.1 Mains connection
See point 5.3
6.2.2 Connecting the earth terminal (Fig. 1/10)
Connect the welding set’s earth terminal (10) in the
immediate vicinity of the welding position if possible.
Ensure that the contact point is bare metal.
6.3 Welding
When all the electrical connections for the power
supply and welding current circuit have been made
and the shielding gas has also been connected, you
can proceed as follows:
The workpieces for welding must be clear of paint,
metallic coatings, dirt, rust, grease and moisture in
the area where they are to be welded.
Set the welding current, wire feed and gas flow rate
(see 6.1.1 – 6.1.3) as required.
Hold the welding screen (Fig. 3/17) in front of your
face and move the gas nozzle to the point on the
workpiece where you wish to complete the weld.
Now press the burner switch (Fig. 5/25).
When the arc is burning, the welding set will feed wire
into the weld pool. When the weld nugget is large
enough, move the burner slowly along the required
edge. Move it to and fro if necessary to enlarge the
weld pool a little.
Find the ideal setting of the welding current, wire feed
speed and gas delivery rate by carrying out a test
weld. Ideally an even welding noise will be audible.
The penetration depth should be as deep as possible,
but the weld pool must not be allowed to fall through
the workpiece.
6.4 Safety equipment
6.4.1 Thermostat
The welding set is fitted with an overheating guard
that protects the welding transformer from
overheating. If the overheating guard trips, the control
lamp (3) on your set will be lit. Allow the welding set to
cool for a time.
7. Cleaning, maintenance and ordering
of spare parts
Always pull out the mains power plug before starting
any cleaning work.
7.1 Cleaning
n
Keep all safety devices, air vents and the motor
housing free of dirt and dust as far as possible.
Wipe the equipment with a clean cloth or blow it
with compressed air at low pressure.
n
We recommend that you clean the device
immediately each time you have finished using it.
n
Clean the equipment regularly with a moist cloth
and some soft soap. Do not use cleaning agents
or solvents; these could attack the plastic parts of
the equipment. Ensure that no water can seep
into the device.
7.2 Maintenance
There are no parts inside the equipment which
require additional maintenance.
7.3 Ordering replacement parts
Please quote the following data when ordering
replacement parts:
n
Type of machine
n
Article number of the machine
n
Identification number of the machine
n
Replacement part number of the part required
For our latest prices and information please go to
www.isc-gmbh.info
8. Disposal and recycling
The unit is supplied in packaging to prevent its being
damaged in transit. This packaging is raw material
and can therefore be reused or can be returned to the
raw material system.
The unit and its accessories are made of various
types of material, such as metal and plastic. Defective
components must be disposed of as special waste.
Ask your dealer or your local council.
Anleitung_BT_GW_150_SPK1__ 23.01.13 07:26 Seite 23