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Lincoln EuropurePLUS PAPR 5500 Parts

Lincoln EuropurePLUS PAPR 5500 Parts FAQs

Filters, batteries, blower and head-top spares for a powered air respirator used with a welding helmet, and how to keep them in working order.

Which parts of a powered respirator wear out or need regular replacing?icon-minus-redicon-plus-red

The main ones are the particle filter, any pre-filter or spark guard in front of it, the battery, and the head-top parts such as sweatbands and cover or inner lenses. The breathing tube, seals and straps can also wear or become damaged.

The HSE guide to respiratory protective equipment lists the key maintenance tasks as changing replaceable filters, cleaning, checking straps for damage, and checking battery charge and flow rate on powered devices. Which parts your unit has, and how they come apart, depends on the maker, so use the manual and the data plate.

How do I know when the filter needs changing?icon-minus-redicon-plus-red

Filters have a limited capacity and can clog, and a clogged filter reduces airflow. The usual signs are a low-airflow alarm or indicator, a unit that fails its airflow check even with a fully charged battery, or a filter that is physically damaged. Makers say the unit must not be used if it fails the airflow test.

There is no single time interval, because it depends on how much fume you work in and how often. If the alarm sounds while you are working, leave the fume area straight away and follow the maker's instructions before you go back.

What do a pre-filter and a spark guard do?icon-minus-redicon-plus-red

In welding units the parts are usually fitted in layers. A spark guard (arrestor) sits at the front to stop hot spatter reaching the filters. A pre-filter catches larger particles before they reach the main particle filter, so that the main filter clogs more slowly.

Hot spatter can damage filter material, so a damaged or missing spark guard matters: check it before each use and replace it if it is damaged. A clogged filter makes the blower work harder, which can also affect battery run-time. Always fit these parts in the order and way the manual shows.

What does P3 mean on a filter, and can I use any P3 filter?icon-minus-redicon-plus-red

P3 is the highest of the three particle filter classes under the filter standard. It is the class usually specified for welding fume. Particle filters are tested at a very small particle size, and P3 filters have to catch at least 99.95 percent of the test particles.

Having P3 on the label does not mean a filter fits every unit. Filters and the blower are approved as a system, so the HSE advises that replacement parts ideally come from the original manufacturer of the equipment. Check the data plate and manual for the filter type and class your unit needs.

How do I check the airflow before I start work?icon-minus-redicon-plus-red

Follow the maker's airflow check each time you use the unit. Typically this means a fully charged battery, filters fitted correctly, the breathing tube connected to the head-top, and an airflow indicator or low-flow alarm test as the manual describes. HSE guidance for users also says to make sure battery-powered equipment is fully charged and that hoses are connected properly.

If the unit fails the test, do not use it. Repeat the test with a fully charged battery and a new filter, and contact the maker or your supplier if it still fails.

How should I look after the battery and charger?icon-minus-redicon-plus-red

Charge the battery only with the charger specified by the maker for that battery, and use only the battery listed for your unit. Charging routines, voltages and currents differ, and a wrong combination can damage the battery or create a fire risk. Keep the battery away from heat, sunlight and damp.

Inspect the battery before each use. Do not use it if it is damaged, leaking or bulging. Follow the maker's advice on storage temperature, charging, cooling after use and disposal, as these differ between models.