During my career I have come across many pulleys, shafts, blower wheels and bearings that have come loose due to improper set screw tightening, sadly a lot of this equipment was brand new or close to new.  On some larger equipment or equipment that may be susceptible to excessive vibration,…

I am very excited to post this blog, Steve is the first official guest blogger at hvacknowitall.com.  Apprentices pay attention, thanks Steve!  If you are interested in contributing in any way shoot me an email gary@hvacknowitall.com.  Happy HVACing!   The Do's & Don’ts of an HVAC apprentice By Steve Wiggins The night before his first…