User Manual Quattroflow-20k Series 4-Piston Diaphragm Pump

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Version of May, 2009 4.3 Changing of the shaft–bearing–cap unit The changing of the shaft-bearing unit can be done by the user by using the spare parts PSKITWLC20: 6. Mounting in reverse order Page 14 of 17
Version of May, 2009 5. Operating troubles, causes and remedial action No. Operating troubles Pump does not start Pump does not prime Delivery is not obtained or reduced Pressure head is not obtained Irregular pump delivery Pump operates noisily Pump is leaky Motor gets too warm Display show Error code 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 1 X X 2 X 3 X X X 4 X X X X Causes and remedial action The 4-piston diaphragm pump operates trouble-free at any time provided they are applied according to the operating conditions mentioned in this manual. If you have any questions, please contact Quattroflow. The screws of the pump-chamber maybe not tightened enough. Fix it! Check the direction of flow showed by the arrow on the pump, in case of wrong way, turn the pump head Check suction pipeline and TC- seals for tightness Check suction head-increase suction line cross section. 5 X X X Check viscosity of liquid pumped. 6 X 7 X X X 8 X X 9 X 10 X 11 X 12 X 13 X X X 14 X X 15 X X 16 X 17 X 18 X X X X Check pump speed. Control speed of drive motor. Check voltage and frequency Avoid air inclusions in the liquid to be pumped Check pressure head-open valve in discharge line completely, remove obstruction in discharge line Pressure line completely or partly clogged Diaphragm maybe broken Change diaphragm! The diameter of the pipes in suction or pressure line are to small Check the coupling halves. They must be fixed with at least 2-3mm space. Check longitudinal play of coupling rod pins. The spider might be worn. Check whether foreign bodies in pump. Disassemble pump, remove foreign bodies, replace defective parts Pump stopped by the Thermistor switch. Please allow the motor to cool down – please reduce the power consumption. Bearings are worn or defective. Disassemble pump, replace the shaft – bearing unit The valves are dry (i.e. not in use for a long time), deformed or worn. Change valve or wet the pump. The diaphragm is burst ( the discharge pressure was too high) - replace it with PSKITQ20k O – rings between valve plate and pump housing are defective - replace it with PSKITQ20k 19 X Align coupling accurately 20 X X The clamping ring screw got loose – fix it! See 4.2 Mounting of the pump chamber ( picture 2 ) Page 15 of 17
Page 1 and 2: Version of May, 2009 User Manual Qu
Page 3 and 4: Version of May, 2009 1. General: 1.
Page 5 and 6: Version of May, 2009 2.4 Non-compli
Page 7 and 8: Version of May, 2009 2.10 Attention
Page 9 and 10: Version of May, 2009 3.4 Start-Up P
Page 11 and 12: Version of May, 2009 4.1 Dismountin
Page 13: Version of May, 2009 4.2 Mounting o
Page 17: Version of May, 2009 7. Technical d

User Manual Quattroflow-20k Series 4-Piston Diaphragm Pump

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