Filter Press Air Diaphragm Pump Is Erratic

Potential Causes


Suction line is clogged Inspect and clear. This often happens when the initial slurry mixture of DE and syrup is too thick. The slurry should be soupy.
Mouth of hose is obstructed Pull the mouth of the hose away from the floor of the vessel
Check valve balls are sticky or leaking Clean or replace
(Here are parts)
Restricted exhaust Remove the restriction
(Detailed Instructions)
Diaphragm is ruptured Replace the diaphragm
(Here are parts)