Posted 6/10/2012 20:40 (#2423764 - in reply to #2422956) Subject: RE: Miller 252 welder fan?
Kettle River, MN
The reason for the fan not running all the time is so less dust and dirt gets sucked in the welder. I bought a 252 last spring and love welding with it.
x2 on letting the welder run until the fan shuts off on its own.