Helvi COMBI PC 502 K Manual De Uso Y Manutención página 11

Be sure the operator is equipped with proper gloves, clothing, eye and ear protection. Make sure no
part of the operator's body comes into contact with the work piece while the torch is activated.
CAUTION
Sparks from the cutting process can cause damage to coated, painted, and other surfaces such as
glass, plastic and metal.
NOTE Handle torch leads with care and protect them from damage.
TORCH CONSUMABLE PARTS SELECTION
Warning: It is extremely important that you read carefully these instructions before choosing
the consumables for your torch. This will prevent damages to the torch and the plasma unit.
To change the torch consumable parts use the following procedure: Position the torch with the shield
cup facing upward to prevent these parts from falling out when the cup is removed.
WARNING: Wait the torch has completely cooled before replacing torch parts to avoid any
damage to the torch head.
1. Unscrew and remove the shield cup from the Torch Head Assembly.
2. Remove the tip, gas distributor, and electrode.
3. Install the electrode, gas distributor, and tip.
4. Hand tighten the shield cup until it is seated on the torch head. If resistance is felt when installing
the cup, check the threads before proceeding.
Shield Cup
current < 20A
Tip Ø 0,65mm
current 20÷30A
Tip Ø 0,8mm
Gas Distributor
Electrode
Torch Head
Shield Cap
Shield Cup Body
current > 30A
Tip Ø 0,9mm
Gas Distributor
Electrode
Working Table
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