The Big Dipper in Action

The innovative Big Dipper grease trap operates differently from passive traps.  Below you will find Big Dipper Installation, Operation and Maintenance Videos.

For older models and more videos please visit

Reversing 51k Series Unit Direction


51k Series IS Maintenance Videos

The videos below include daily, weekly, and quarterly maintenance instructions for models with mechanical timers manufactured between 2003-2014.


AST Maintenance Videos