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Tech Head - The Technology Section
Ventilator Problem
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<blockquote data-quote="Archive7" data-source="post: 1020482"><p>[ATTACH=full]108561[/ATTACH] [ATTACH=full]108562[/ATTACH] [ATTACH=full]108563[/ATTACH] [ATTACH=full]108564[/ATTACH] [ATTACH=full]108565[/ATTACH] [ATTACH=full]108566[/ATTACH] [ATTACH=full]108567[/ATTACH] [ATTACH=full]108568[/ATTACH] [ATTACH=full]108569[/ATTACH] I gave the ventilator another go today.</p><p>I bought beforehand a small bottle of light oil which is supposed to be used with small appliances like sewing machines. Didn't think I would need grease.</p><p>So got the motor out. It looks like a good motor well built and not cheap looking.</p><p>Opened the cover of the gear box and took out the small parts inside.</p><p>Then I squirted few drops of light oil along the shaft joints at the front and back and holy cow it started to turn quite easily.</p><p>So I put few more drops, reassembled the motor and connected the mains cord wires to the motor terminals.</p><p>Switched on without the propeller just to see how it behaves. It worked well for few minutes.</p><p>Then I noticed that that the bloody motor has become quite hot.</p><p>I had no idea during the past two years how hot the motor gets because the cover is relatively large so it seems to run cool, while in fact the motor must have been sweating like mad inside.</p><p>This might explain why the motor got stuck afterwards.</p><p>So I am not happy about this issue and probably will not use the fan after all, but at least I am happy to got it working in the end.</p><p></p><p>Here are some photos showing the motor and few parts.</p><p>Thank you all for your help.</p></blockquote><p></p>
[QUOTE="Archive7, post: 1020482"] [ATTACH=full]108561[/ATTACH] [ATTACH=full]108562[/ATTACH] [ATTACH=full]108563[/ATTACH] [ATTACH=full]108564[/ATTACH] [ATTACH=full]108565[/ATTACH] [ATTACH=full]108566[/ATTACH] [ATTACH=full]108567[/ATTACH] [ATTACH=full]108568[/ATTACH] [ATTACH=full]108569[/ATTACH] I gave the ventilator another go today. I bought beforehand a small bottle of light oil which is supposed to be used with small appliances like sewing machines. Didn't think I would need grease. So got the motor out. It looks like a good motor well built and not cheap looking. Opened the cover of the gear box and took out the small parts inside. Then I squirted few drops of light oil along the shaft joints at the front and back and holy cow it started to turn quite easily. So I put few more drops, reassembled the motor and connected the mains cord wires to the motor terminals. Switched on without the propeller just to see how it behaves. It worked well for few minutes. Then I noticed that that the bloody motor has become quite hot. I had no idea during the past two years how hot the motor gets because the cover is relatively large so it seems to run cool, while in fact the motor must have been sweating like mad inside. This might explain why the motor got stuck afterwards. So I am not happy about this issue and probably will not use the fan after all, but at least I am happy to got it working in the end. Here are some photos showing the motor and few parts. Thank you all for your help. [/QUOTE]
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Ventilator Problem
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