If you are trying to modify your one stage Harbor Freight dust collector into a two stage, then I hope this will help you out. I used a trash can and made a Thien Baffle.
Check out my other video talking about the basics of DCs here: https://youtu.be/-OJ2U3r5taU
Things I used in this video:
Harbor Freight Dust Collector: http://goo.gl/ubHZ2U
Triton Router: http://goo.gl/DtOLHT
Tomorrow I will have a written tutorial on my blog at Wilkerdos.com
Follow me on Facebook at https://www.facebook.com/wilkerd
آی-ویدئو