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 contaminants.
The exhaust port (muffler) of the pump is clogged with contaminants.
The fluid pipe is clogged with contaminants.
Pump is clogged with contaminants.
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 contaminants.
Pump is clogged with contaminants.
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 contaminants.
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 contaminants.
The exhaust port (muffler) of the pump is clogged with contaminants.
Pump is clogged with contaminants.
Leakage of fluid through the hollow exhaust (silencer).
The diaphragm is damaged.
Samoa Industrial, S.A. · Box 103 Alto Pumarín · 33211 Gijón - Asturias Spain · Tel.: +34 985 381 488 · Fax.: + 34 985 384 163
Troubleshooting
Cause
Cause
Cause
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 body.
Recommended measure
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.
Recommended measure
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.
Recommended measure
Remove and inspect the pump and replace the diaphragm.
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