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move, adjust it so that it protrudes from the nozzle by 4 - 5mm and then
tighten the end cap against the rubber O-ring. The electrode will now be
secured in position.
Your torch assembly is now ready for use.
GAS SUPPLY
it will be necessary to procure a supply of pure ARGON gas and a suitable gas
regulator.
Attach the gas hose to the pressure regulator, securing with a worm drive clip
and the pressure regulator to the gas bottle, ensuring the connection is
perfectly gas tight. Pressure is regulated by turning the control knob on the
regulator.
ALWAYS release the pressure from the regulator when not in use, and
remember to turn OFF the gas supply as soon as you have finished welding.
ALWAYS close the cylinder valve before attempting to change an empty
cylinder.
CONNECTIONS
Before connecting the torch to the welder, ensure the welder is switched OFF,
and disconnected from the mains supply.
It is important to note that the torch
cable male DIN connector, is
plugged into the
NEGATIVE
terminal
of the welder, as shown in Fig 5,
otherwise the tungsten electrode will
melt.
The earth clamp cable is connected
to the POSITIVE terminal.
Connect the earth clamp from the
welder to the workpiece choosing an
area of bare metal, free from rust,
paint or oil etc.
Fig 5 illustrates a typical connection.
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