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5 Le moteur chauffe.
GB
PROBLEM
1 The pump doesn't start
2 The pump works.
3 The pump does not deliver
as per performance curve
4 The pump vibrates.
5.1 Le liquide est trop dense.
5.2 Le branchement électrique
est erroné.
5.3 La roue touche le corps
de pompe ou il y a des corps
étrangers.
5.4 L'arbre de la pompe est en-
dommagé.
5.5 Le roulement est endom-
magé.
POSSIBLE SOURCE
1.1 Power failure.
1.2 Seized impeller.
22.1 The impeller is damaged.
2.2 The manual delivery valve
is closed.
2.3 Clogged suction.
2.4 The transmission joint is
damaged.
3.1 Fluid is too dense.
3.2 Clogged delivery pipe.
3.3 Clogged suction.
3.4 The impeller is damaged.
3.5 Damaged pump body.
3.6 Electrical motor is wrongly-
connected.
3.7 The electric motor is da-
maged.
3.8 The wearing bushing is
damaged.
4.1 Suction clogs while wor-
king.
4.2 Damaged pump shaft.
4.3 The impeller touches the
pump body.
4.4 The bushing is worn out.
4.5 The bearings are worn
out.
4.6 Incorrect installation.
5.1a Aucun remède.
5.2a Vérifier la tension d'alimentation et le raccordement sur
le moteur.
5.3a Ouvrir la pompe et vérifier.
5.4a Ouvrir la pompe, démonter le moteur, puis vérifier l'arbre
de la pompe et la concentricité sur la rotation.
5.5a Vérifier l'état et/ou remplacer le roulement.
SUGGESTION
1.1a Check the electrical power circuit and supply
1.2a Disassemble the pump body and check.
2.1a Disassemble the pump and check the impeller.
2.2a Open the delivery valve and/or check the
delivery pipes.
2.3a Check and clean.
2.4a Disassemble the motor and check.
3.1a No solution.
3.2a Check and clean.
3.3a Check and clean.
3.4a Replace the impeller.
3.5a Disassemble the pump body and check.
3.6a Check the electrical connection and power tension.
3.7a Replace the motor.
3.8a Open the pump and check or replace the wearing bu-
shing.
4.1a Clean the suction conduit and any dirt
contained in the tank.
4.2a Disassemble pump and motor and check the shaft and
its rotation concentricity.
4.3a Open the pump and check.
4.4a Open the pump, disassemble the wearing bushing and
check its condition.
4.5a Open the pump, disassemble the motor and check the
play of the bearings.
4.6a Check the installation again with greater care.
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