Posted by John in La on September 01, 2018 at 14:40:20 from (24.158.216.181):
I have a 38 inch belt drive whole house fan mounted in the ceiling of my attached porch. This thing will move some air. Guessing 6000 CFM range. It has to be around 50 years old as I got it out of a house built in the mid 60's to very early 70's.
Runs great but vibrates. It has vibrated since I got it so it is not a bearing going bad. I have even checked it by trying to wobble the fan to see if bearings were loose. I had used it as a shop fan so the vibration did not bother me. Now that I mounted it in my ceiling I want to try and fix the vibration as it shakes my whole house.
I was going to take the fan blade off and try and balance it but each blade is individually mounted to a 13 inch cast wheel that the belt drives. Taking the cast wheel off will involve getting into the bearings so I was trying to avoid that.
So my question is.... Is there a way to balance a fan without taking it out of the frame??
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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