.....t.
If you can figure out who the manufacturer was for the system, try looking it up online and look for an operations or parts manual.
(Yeah I do more than the woodworking stuff.)
Originally Posted by Unique_Carpenter
If it is a pump not working, that is easy to replace. Most of these items have a drop in centrifigal pump. Most can be replaced at Graingers. Check the catalog. Look at the pump, older setups with tube pumps probably need to have the hose clamps replaced, and probably the hoses. The most common place to leak is at the pump/tube connection. Clamps are very cheap.