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Old 09-15-2012, 09:39 PM   #1
kcsa75
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Clutch fan question

I had the fan off of my 72 today and noticed for the first time a (wind-up)spring on the front of the clutch. What is this for?

There are small metal tabs on each side, one with a slot that appears to be for the end of the spring. I wound it a couple turns and locked it in the slot, but didn't notice any difference when I turned the fan.
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Old 09-15-2012, 10:32 PM   #2
Stocker
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Re: Clutch fan question

It's part of the thermostatic control to engage the clutch.
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Old 09-15-2012, 11:58 PM   #3
FirstOwner69
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Re: Clutch fan question

Bi-metal spring that works much like the older Honeywell home heating thermostats.
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