Dellmeco DME 15 R Series, Инструкция по эксплуатации

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34 I DELLMECO I EODD DIAPHRAGM PUMPS
10.4. Pumping capacity or pressure value is not achieved, pump pumps not uniformly
Cause Action to take
The suction line is completely or partially blocked. Clean the suction line.
Permissible suction capacity is exceeded. Increase fluid level or lower the pump.
The fluid level on the suction side enables air suction or air
emission.
Increase fluid level.
Solid substances are depositing during still stand. Flush or drain the pump.
Solid substance contents and/or grain size is too high. Install a coarse filter before the pump.
The balls and/or valve seats are worn out. Disassemble the pump, replace parts.
The valve ball is jammed due to solid substances in guides. Insert heavier balls, reduce ball diameters.
Diaphragm damage. Disassemble the pump, check and replace component.
10.5. Pump works loudly
Cause Action to take
The suction line is completely or partially blocked. Clean the suction line.
Permissible suction capacity is exceeded. Increase fluid level or lower the pump.
Too high revolution. Decrease revolution down to allowable value.
Bearings damaged in the diaphragm drive. Bearings need to be replaced
– send pump for repair.
10.6. Pump does not operate anymore
Cause Action to take
The suction line is completely or partially blocked. Clean the suction line.
Permissible suction capacity is exceeded. Increase fluid level or lower the pump.
Solid substances are depositing during still stand. Flush or drain the pump.
Solid substance contents and/or grain size is too high. Install a coarse filter before the pump.
The valve ball is jammed due to solid substances in guides. Insert heavier balls, reduce ball diameters.
Diaphragm damage. Disassemble the pump, check and replace component.
10.7. Irregular noise
Cause Action to take
The pump is clogged with sludge with particles of larger
than the permissible diameter.
Disassemble the casing, check and clean.
10.8. Irregular vibration
Cause Action to take
Connection parts and pump mounting are loose. Check each connection part and tighten the bolts.
If any of the above mentioned causes do not apply to your problem, contact your dealer
or our office.