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TROUBLESHOOTING
THE PUMP DOES NOT WORK
The discharge valve on the discharge side is not open.
No air supply.
The air supply pressure is low.
Air leaks in connecting elements.
The air pipes or ancillary equipment is clogged with mud.
The exhaust port (muffler) of the pump is clogged with mud.
The fluid pipe is clogged with mud.
Pump is clogged with mud.
THE PUMP RUNS BUT NO FLUID COMES OUT
The valve on the suction side is not open.
Too much suction or discharge height.
Fluid pipe discharge side (including the filter) is clogged with mud.
Pump is clogged with mud.
The ball and ball seat is worn or damaged.
THE FLOW IS DECREASING
The air supply pressure is low.
The air line or peripheral equipment clogged with mud.
Valve discharge side drive will not open normally.
The air mixes with the fluid.
Cavitation occurs.
Vibrations.
Ice formation in the air exhaust.
The fluid line (including the filter) plugged with mud.
The exhaust port (muffler) of the pump is clogged with mud.
Pump is clogged with mud.
LEAKAGE OF FLUID THROUGH THE HOLLOW EXHAUST (SILENCER)
The diaphragm is damaged.
IRREGULAR NOISE
The air supply pressure is too high.
The pump is clogged with sludge particles larger than the diameter allowed. Remove, check and clean the pump.
IRREGULAR VIBRATION
The elements of connection and the support of the pump are loose.
The air supply pressure is too high.
The range and ball valve vibrates.
IN FLUID WITH AIR BUBBLES
Diaphragm damaged.
Suction hose loose or broken.
POWERED AIR LEAK PRESSURE OF 1,5 TO 8 BAR (20 TO 120 PSI)
Wear air valve.
NO START-UP AND IS LEAKING AIR WITHOUT CYCLES
Stiff air sensors.
Wear air valve.
10
855 859 R. 05/22
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
CAUSE
RECOMMENDED MEASURE
Open the discharge valve on the discharge side.
Turn on the compressor and open the air valve and air regulator.
Check the compressor and the configuration of the air line.
Check the connection elements and the tightening of the screws.
Check and clean the air line.
Check and clean the exhaust port and muffler.
Check and clean the fluid line.
Remove, inspect and clean the pump.
Open the valve on the suction side.
Confirm the configuration of the pipe and reduce the height of the
same.
Check and clean the fluid line.
Dismantle the pump, check and clean.
Inspect and replace parts.
Check the compressor and the configuration of the air line.
Check and clean the air line.
Adjust the discharge valve discharge side.
Replenish fluid and check the configuration of the pipe on the suction side.
Adjust air supply pressure and discharge pressure and reduce the suction.
Adjust air supply pressure and discharge pressure. Reduce the flow of the
inlet valve to adjust pressure and volume of fluid.
Remove ice from the air bypass valve and check and clean the air filter.
Use a pipe in the exhaust air that the ice does not form in the muffler.
Check and clean the fluid pipe and strainer.
Check and clean the exhaust port and muffler.
Remove, inspect and clean the pump body.
Remove and inspect the pump and replace the diaphragm.
Adjust air supply pressure.
Review each element of connection and tighten the screws.
Adjust air supply pressure.
Adjust air supply pressure and exhaust pressure.
Replace diaphragm.
Tighten or replace.
Replace air valve.
Change air sensor.
Replace.
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