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5 El motor está caliente.
GB
PROBLEM
1 The pump will not start.
2 The pump runs but does
not pump.
3 Pump fails to deliver in line
with the performance curve.
4 The pump vibrates.
5.1 El líquido es demasiado
denso.
5.2 La conexión eléctrica es
errónea.
5.3 El rotor toca en el cuerpo o
hay cuerpos extraños.
5.4 El eje de la bomba está
deteriorado.
POSSIBLE SOURCE
1.1 No electrical power supply.
1.2 Seized impeller.
2.1 Damaged impeller.
2.2 Delivery is closed.
2.3 The intake port is blocked.
2.4 The fluid is too viscous.
2.5 Intake port blocked.
3.1 The fluid is too viscous.
3.2 Delivery hose blocked.
3.3 Intake port blocked.
3.4 Damaged impeller.
3.5 The pump casing is dama-
ged.
3.6 The electric or pneumatic
motor is not connected pro-
perly.
3.7 The electric or pneumatic
motor is damaged.
4.1 Suction is blocked during
operation.
4.2 The pump shaft is dama-
ged.
4.3 The impeller is touching
the pump casing.
4.4 The seal bushes are
worn.
4.5 Bearings are worn.
4.6 Installation not perfor-
med correctly.
5.1a No se aplica solución.
5.2a Comprobar la tensión de alimentación y la conexión en
el motor.
5.3a Abrir la bomba y verificar.
5.4a Abrir la bomba, desmontar el motor y revisar el eje de
la bomba.
SUGGESTION
1.1a Check the power circuit and mains supply.
1.2a Disassemble the pump casing and check.
2.1a Disassemble the pump casing and check the impeller.
2.2a Check the condition of the delivery piping.
2.3a Check the condition of the dip tube.
2.4a Install an oversized hose.
2.5a Inspect and clean.
3.1a No solution.
3.2a Inspect and clean.
3.3a Inspect and clean.
3.4a Replace the pneumatic exchanger.
3.5a Disassemble the pump casing and check.
3.6a Check that the motor is properly connected to the mains
supply or has sufficient compressed-air pressure.
3.7a Replace the motor.
4.1a Remove the end of the dip tube and check.
4.2a Dismantle pump and motor and check pump shaft for
damage.
4.3a Undo the end of the pump dip tube and check.
4.4a Open the pump, remove the seal and check its condition.
4.5a Open the pump, strip the motor and check bearing play.
4.6a Thoroughly recheck motor installation and electrical con-
nection.
29
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