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127469 Hypertherm Cover, Powermax 30 AIR
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    Rapid Ref : 127469  

    Hypertherm Cover, Powermax 30 AIR
    127469

    £195.13  EX VAT
    SSP Suggested Selling Price = £223.00  YOU SAVE £27.87
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    Powermax 30 AIR Accessories FAQs

    Accessories and small parts for a handheld air plasma cutter, and how to choose and look after them.

    How do I make sure consumables and parts match my torch?icon-minus-redicon-plus-red

    Consumables are specific to the cutting current, the material and the job. Wrong ones are a common mistake, so check the part numbers in your manual against the markings on the parts you are fitting, and fit them in the order the manual shows.

    Mismatched torch parts are a recognised cause of early electrode wear, and so is cutting at too high a current for the nozzle. Do not over-tighten the parts, and keep all the surfaces clean of dust and dirt. If you have lost the manual, the maker normally lets you download a copy, and the data plate tells you what your cutter is.

    What are the most common mistakes that wear out parts early?icon-minus-redicon-plus-red

    Common causes of early wear include mismatched torch parts, wrong gas flow settings, gas leaks or restrictions such as kinked or split hoses, and moisture or contamination in the air. Always use clean, dry air. Nozzles are also damaged by piercing or cutting too close to the work, piercing metal thicker than the cutter's limit, too high a current, and running the electrode past its life.

    Inspect parts each time you change them and replace them on condition rather than by the clock. Keep the torch clean inside. If a lubricant is needed on the O-rings, use only the type the maker names, because petroleum-based substitutes can cause fires inside the torch.

    Why wear a face shield or helmet for plasma cutting?icon-minus-redicon-plus-red

    A plasma arc gives off intense light and ultraviolet radiation, so your eyes and face need proper protection. Use welding-type shades that cover the operator's whole face. Ordinary safety glasses or sunglasses are not suitable.

    A face shield also guards against sparks and hot metal. Fit a lens in the shade your cutter's manual or your risk assessment calls for, and replace the lens if it is cracked or badly scratched. Anyone watching the cutting, such as an assistant, needs protection too.

    Which shade of lens do I need for plasma cutting?icon-minus-redicon-plus-red

    The right shade depends on the cutting current, so check your cutter's manual and your risk assessment first. Shade tables give a lighter minimum for low-current cutting and a darker one as the current rises, and a higher shade number means a darker filter. A common rule of thumb is to start with a shade that is too dark to see the cut, then go lighter until you can see well, without going below the minimum.

    If you cut at different currents you may need more than one lens. An auto-darkening helmet may not suit light work if its lightest setting is fairly dark, so check its range. Never use a lens lighter than the manual or your assessment allows.

    See all 6 questions for this category

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