After pumping, rinse and backflush lines gently, confirm effluent filter is cleaned up or changed
https://alpha-wiki.win/index.php/Dependable_Sewage-disposal_Tank_Emptying:_What_to_Anticipate_From_Expert_Crews
After pumping, rinse and backflush lines lightly, confirm effluent filter is cleaned or replaced, and confirm correct flow from the home by running components while observing inlet turbulence.