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Technical
Firetec extinguisher losing pressure. How do I fix this?
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<blockquote data-quote="Bluesnailman" data-source="post: 568827" data-attributes="member: 17859"><p>i have an 12v tyre pump with a screw on shrader connector. I think the screw on type is essential for this task. </p><p></p><p>Gloves, goggles and pair of pliers needed. Undo the knurled cap, connect pump and let it struggle - it needs to get to about 200psi (I think). The little gauge on the extinguisher tells you when its back to green. I tend to let it go past green into danger, then unscrew the pump and quickly put the cap back on and nip it up with the pliers. It tends to leak a little at this point, the pressure dropping back to green.</p><p></p><p>Mine does need a service as I need to do this about 3 or 4 times a year. According to firetech the powder ones (mine) get a bit of power in the valve and so leak a little over time. Might be true for the others too. Think they are based in southern scotland, but they travel the country and seemed happy for me to call in if I wanted....</p></blockquote><p></p>
[QUOTE="Bluesnailman, post: 568827, member: 17859"] i have an 12v tyre pump with a screw on shrader connector. I think the screw on type is essential for this task. Gloves, goggles and pair of pliers needed. Undo the knurled cap, connect pump and let it struggle - it needs to get to about 200psi (I think). The little gauge on the extinguisher tells you when its back to green. I tend to let it go past green into danger, then unscrew the pump and quickly put the cap back on and nip it up with the pliers. It tends to leak a little at this point, the pressure dropping back to green. Mine does need a service as I need to do this about 3 or 4 times a year. According to firetech the powder ones (mine) get a bit of power in the valve and so leak a little over time. Might be true for the others too. Think they are based in southern scotland, but they travel the country and seemed happy for me to call in if I wanted.... [/QUOTE]
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Firetec extinguisher losing pressure. How do I fix this?
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