13
SCRATCH ARC DC TIG Operation with ARCLITE 140 / 160
Scratch Arc ignition allows the arc to be started in DC Tig by lightly scratching the tungsten in a backward
motion against the work piece, (similar to striking a match) lift the tungsten slightly from the work piece to
establish and hold an arc.
(5)
Make sure the front end parts of the tig torch are correctly assembled, use the correct size and type of
tungsten electrode for the job, the tungsten electrode requires a sharpened point for DC welding.
(6)
Turn on the Gas Valve located on the tig torch handle.
(7)
Lay the outside edge of the Gas Cup on the work piece with the Tungsten Electrode 1- 2mm from the
work piece.
(8)
Now drag the torch backwards lightly touch the tungsten to the work piece as you drag the torch.
(9)
The arc will strike, as it does lift the tungsten slightly from the work piece to maintain the arc.
(5)
Assemble front end parts of the TIG torch,
fitting a sharpened tungsten suitable for DC
welding.
(6)
Turn on the Gas Valve
(7)
Lay the outside edge of the Gas Cup on
the work piece with the Tungsten Electrode
1- 2mm from the work piece.
(8)
Now drag the torch backwards lightly
touch the tungsten to the work piece at the
same time.
(9)
The arc will strike and lift the tungsten
slightly from the work piece to maintain the
arc.
IMPORTANT! - We strongly recommend that you check for gas leakage prior to
operation of your machine. We recommend that you close the cylinder valve
when the machine is not in use.
Esseti NZ Ltd, authorised representatives or agents of Esseti NZ Ltd will
not be liable or responsible for the loss of any gas.
Summary of Contents for Viper ARC140V
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