Check all valves in the system that is in a position to close? Connect the hose to the cylinder line equipment to trouble at the entrance and exit of the pump to the filter, and filter the solution into the Filtrate tank.
Make sure all valves in the system that is in the closed position or not. Connecting hose lines to the stirred tank at the inlet and outlet of the pump to filter. And filter the solution into the tank Filtrate.
Check valve in the system that all is in closed position. On line equipment rubber hose with stirred tank at the entrance and exit of the pump, to filter. And the filter into the tank Filtrate.