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TROUBLE SHOOTING
Product discharged from exhaust outlet.
• Check for diaphragm rupture
• Check tightness of diaphragm
Air bubbles in product discharge.
• Check connections of suction plumbing
• Check O-rings between intake manifold and fluid caps
• Check tightness of diaphragm nut
Low output volume, erratic flow, or no flow.
• Check air supply
• Check for plugged outlet hose
• Check for kinked (restrictive) or collapsed inlet material hose
• Check if there is leakage for the connection. These must be air tight
• Inspect the pump for solid objects logged in the diaphragm chamber or the seat area
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