12
6
INSTRUCTIONS
6-1 WELDING INSTRUCTIONS (Standard-/ HF-Pulse-/ Gap-/ Micro-mode)
(For instructions regarding the foot switch, please refer to chapter 6 - 2 where this subject
is handled separately).
Connect the clamp to a blank metal location on the work piece
Touch the electrode tip to the spot to be welded until the welding is done
without, or with minimum pressure to the electrode tip!
The welding procedure is automatically done:
o Safety gas encases the welding spot
o A signal announces the arc
o The light arc appears
o Safety gas supply ceases
The welding procedure may be stopped anytime by removing the electrode from the work
piece
6-2 WELDING WITH THE FOOT SWITCH (optional accessory)
Make sure that the PUK is switched off. Attach the foot switch cable to the socket “Foot
Switch” on the back of the machine.
Next switch the machine back on,the display will show the following important safety
warning “Warning ! Protect your eyes Read the manual Follow the advice”. Confirm the
compliance with these safety instructions, by pressing any button. Following this, the
machine will run a self-test.
The foot switch can be activated, by pressing and holding it for ca. 1 second. The display
will show the symbol
↓
.
Attach one of the terminal clamps (i.e. crocodile clip) to a part of the work piece where
the bare metal is exposed.
If the work piece is brought into contact with the electrode, the glare protection system
(shutter) inside the microscope “mezzo” will flicker in a clearly visible manner.
Whilst in this operating status, if the foot switch is pressed, the welding process will run
automatically, just as described in chapter 6-1.
By again holding the footswitch pressed for ca. 1 second, (without contacting the work
piece) the footswitch function can be deactivated. The symbol
↓
will disappear from the
display.