No or Low Dispersing Air
• Manifolded dispersing air pressure set too low: adjust.
• Air hose is kinked or cut: repair or replace.
• Spray tip is clogged: clean or replace.
• Spray tip is damaged: replace.
Air in Liquid Line
• Fluid line is not properly attached to pump: replace hose or fitting.
• Injector seal is failing: rebuild or replace.
Liquid Drains from Spray Tip
• Injector check valve is failing: rebuild or replace.
• Liquid line in single point nozzle assembly is damaged or disconnected: replace
8 T60A Posi-pump Troubleshooting
No Liquid
• Pump is turned off: turn liquid adjustment screw counterclockwise.
• Pump is seized: remove, clean, and rebuild.
• Reservoir is empty: fill.
• Air pressure is too low: adjust to over 60 PSI.
Bubbles from Injectors
• Air seals are leaking: replace.
• Exit fitting is leaking: replace.
Liquid Drains from Injector Outlet
• Exit fitting is leaking: replace.
• Evacuation valve is ineffective: clean or replace.
• Biaxial hose is trimmed incorrectly: be sure hose is cut straight with no burrs or
deformities.
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