Cause Comments Recommendations
Restrictions such as button trap seal, buttons, lint in pump suction pipe and/or baffle Restrictions in lines leading to filter will decrease flow of solvent, causing a lower than normal base pressure

Inspect and clean as needed
Restrictions in the pump impeller vanes Restrictions in lines leading to filter will decrease flow of solvent, causing a lower than normal base pressure Inspect and clean as needed
Restrictions in check valve Restrictions in lines leading to filter will decrease flow of solvent, causing a lower than normal base pressure Inspect and clean as needed
Restrictions in solvent manifold at bottom of filter Restrictions in lines leading to filter will decrease flow of solvent, causing a lower than normal base pressure Inspect and clean as needed
Pump cavitation (Pumping air with solvent causes loss of pressure) Low solvent level or air leak in solvent line leading to filter. Restrictions in lines leading to filter will decrease flow of solvent, causing a lower than normal base pressure Inspect and clean as needed

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