9
Troubleshooting
VACUFLUSH HEAD DIAGNOSTIC CHART
PROBLEM POSSIBLE CAUSE POSSIBLE FIX
Water will not stay in bowl. Loose clamp ring. Tighten clamp ring adjusting nut
Improper seal around flush ball or Look for foreign objects at flush
debris on underside of Teflon seal. ball.
Worn or damaged seal or flush ball. Replace seal or flush ball.
Toilet overflows. Dirt stuck in water valve seal or bad seal. Clean water valve or replace.
Cam strap bent down holding valve open. Bend front of strap up 1/16”
Water does not enter toilet Low water pressure. Check incoming pressure.
bowl properly. Water valve clogged. Clean filter on water valve inlet.
Water leaking at water valve. Loose connection. Tighten cap, inlet fitting, clamp
Worn or defective water valve. Replace water valve.
Water leaking at bowl rear. Loose hose connection. Tighten connection.
Loose or worn vacuum breaker. Tighten/Replace vacuum bkr.
Pump runs alot between Flush ball leaks. See problems 1 & 2.
flushes.
Vacuum line leaks. Tighten all hose connections at
toilet and vacuum generator.
Duckbill valves in pump not sealing. Inspect all duckbill valves for
poor sealing.
Pump bellows in vacuum generator worn. Inspect for small hole or rip.
Toilet will not flush. Plugged vacuum line, vacuum pump Clear line(s).
discharge or intake lines.
Duckbill valves inverted to clogged Replace valves.
discharge line or seacock
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