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Old 09-02-2015, 04:06   #16
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Isolate the Fan

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Originally Posted by ronbo1 View Post
Hella fans get noisy and vibrate when the blades accumulate dirt. Also, you may try to isolate the fan from the bracket by using rubber washers from a bike tire.

Ronbo
Great idea. I will try this. Some of the 4 working fans are less noisy than the others, and I think this may be the reason.

Thanks again,

G2L
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Old 09-02-2015, 04:20   #17
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Fans Are Hella on Solar Array - Why speed change?

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Originally Posted by ronbo1 View Post
Hella fans get noisy and vibrate when the blades accumulate dirt. Also, you may try to isolate the fan from the bracket by using rubber washers from a bike tire.

Ronbo
Checked and found that my fans are Hella too. Will try your fix.

Also, they are powered by a solar array. Could this be causing the fluxuations in fan velocity that I am also noticing? When some of the four fans speed up, they predictably get a bit noisier.


G2L
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