estima Posted April 17, 2021 Report Share Posted April 17, 2021 Not exactly boat related but I've always found this forum to be full of knowledge. I recently replaced the motor in my Miele C3 powerline vacuum cleaner. When I turn it on, it builds to full power but when it gets there, it loses power like it's been turned off. Just before it stops it builds to full power before losing it again, then builds again and so on. It's as though the current needs regulating. What could be the problem and what part would I need? Link to comment Share on other sites More sharing options...
Murflynn Posted April 17, 2021 Report Share Posted April 17, 2021 (edited) at home? running off an inverter on the boat? who did the "replacement" and why ? go on, gie us a klew !! Edited April 17, 2021 by Murflynn Link to comment Share on other sites More sharing options...
Tony Brooks Posted April 17, 2021 Report Share Posted April 17, 2021 1 hour ago, estima said: Not exactly boat related but I've always found this forum to be full of knowledge. I recently replaced the motor in my Miele C3 powerline vacuum cleaner. When I turn it on, it builds to full power but when it gets there, it loses power like it's been turned off. Just before it stops it builds to full power before losing it again, then builds again and so on. It's as though the current needs regulating. What could be the problem and what part would I need? If this is relatively modern I would not surprise me if it uses a permanent magnet motor and if so it probably gets fed pulses from an electronic control box. If so I would suspect the box is having a hissy fit. 1 Link to comment Share on other sites More sharing options...
estima Posted April 17, 2021 Author Report Share Posted April 17, 2021 1 hour ago, Murflynn said: at home? running off an inverter on the boat? who did the "replacement" and why ? go on, gie us a klew !! Apologies. This is at home. I did the replacement as once you've disassembled the cleaner, the motor just clips into the switch. Link to comment Share on other sites More sharing options...
Arthur Marshall Posted April 17, 2021 Report Share Posted April 17, 2021 If this is anything like the Dyson, it seems to happen if the filter's blocked. 1 Link to comment Share on other sites More sharing options...
Murflynn Posted April 18, 2021 Report Share Posted April 18, 2021 12 hours ago, Arthur Marshall said: If this is anything like the Dyson, it seems to happen if the filter's blocked. what a shame when someone comes up with a simple explanation. as a workmate (an automation and instrumentation engineer) used to say - "if all else fails, read the manual". 1 Link to comment Share on other sites More sharing options...
pearley Posted April 18, 2021 Report Share Posted April 18, 2021 13 hours ago, Arthur Marshall said: If this is anything like the Dyson, it seems to happen if the filter's blocked. Even with clean filters it's amazing how much dust as accumulates elsewhere in the machine. In the absence of a compressed air supply we use an aerosol air duster to get muck out of the crevices. Link to comment Share on other sites More sharing options...
estima Posted April 18, 2021 Author Report Share Posted April 18, 2021 26 minutes ago, pearley said: Even with clean filters it's amazing how much dust as accumulates elsewhere in the machine. In the absence of a compressed air supply we use an aerosol air duster to get muck out of the crevices. I disassembled the entire machine, blew out all the dust with a dog blaster and put a fresh motor in. Link to comment Share on other sites More sharing options...
cuthound Posted April 19, 2021 Report Share Posted April 19, 2021 On 18/04/2021 at 09:44, Murflynn said: what a shame when someone comes up with a simple explanation. as a workmate (an automation and instrumentation engineer) used to say - "if all else fails, read the manual". Where I worked it was usually abbreviated to 'RTFM' ? Link to comment Share on other sites More sharing options...
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