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New lighter Lithium-Ion (Li-Ion) battery for Adflo Turbo Units. If upgrading from the original NiMH battery consider the battery upgrade kit which includes a new Li-Ion battery charger, P-filter and pre-filter (Part no: 3M-837635).
Straight answers to the questions people ask most when choosing and looking after spare parts for a powered air welding helmet with an auto-darkening filter.
Start with the model markings on the helmet itself and on the filter lens, then check them against the user manual, which lists the parts that belong to your version. Helmets in the same family often come in several variants, with different filter sizes, cover plates and side windows, so a part that looks right may not be.If you cannot find a marking, compare the old part side by side with the replacement, and check the part number printed on it. If you are still unsure, our team can help you match the part to your helmet before you order.
There is no fixed interval. Change it when spatter, scratches or grinding dust make it hard to see through, or when it has pitted or cracked. A dirty or damaged plate forces you to lean in and strain, which is a safety issue as well as a comfort one.Outer plates are the sacrificial layer that protects the filter lens, so it is sensible to replace them freely rather than risk scratching the lens itself. Heat-resistant and scratch-resistant types exist, and the right one depends on how much spatter and grinding your work produces.
The unit normally needs a particle filter for welding fume. Where there are gases or vapours, such as solvents, a suitable gas filter can be fitted as well, and some systems use an odour filter or a spark guard for added protection. Choose the filter type from your workplace risk assessment, not from habit.Replace a particle filter when it is damaged, clogged, or when the unit's airflow warning shows that airflow has dropped. Pre-filters trap larger dust and are changed more often, which helps the main filter last longer.
Powered air units are designed to supply a minimum airflow to the helmet, and the maker supplies a method of checking it, such as a flow indicator or a test described in the manual. Follow the instructions for your own unit exactly, and carry out the check at the intervals the maker specifies. Many users also check at the start of each shift and after changing a filter or battery.If the airflow is low, common causes are a clogged filter, a part-charged battery, a kinked or damaged hose or a poorly fitted connection. Do not weld until the cause is found and the airflow is back to the level the manual requires. Never ignore a low-flow warning.
