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Re: Proper bolt tightening for 4 blade white plastic fan.

Subject: Re: Proper bolt tightening for 4 blade white plastic fan.
by NoferTrunions on 2022/5/5 17:44:32

UPDATE: Bolts hammering and slotting pulley holes AGAIN (and bolt safety tabs still in place.)

I'm going to drill and tap a 5th hole in the flange and pulley so I can put a cap or button head screw to positively clamp and hold in the place the pulley onto the flange. I'll scarf out some bolt head clearance on the back of the fan.

Then the wonky, loose fan bolts only hold the fan on and as they loosen (for whatever reason) the bolts will not hammer out the pulley.