PFT
Conveying Pump SWING L
Overview – Operation
– Spare Parts Lists
Signs for hos
14/09/2021
41
39 Signs for hose blockages:
39.1 Indications of clogged hoses:
■
Made by operator:
■
Blockages can occur in the pressure flange or in the material
hoses.
■
Indications of this are:
■
Heavily increasing conveying pressure
■
Pump blockage
■
Sluggishness or seizing of pump motor
■
Widening and twisting of material hose
■
No material emerges from hose end
39.2 Possible causes:
■
Heavily worn material hoses
■
Poorly lubricated material hoses
■
Residual water in material hose
■
Clogging of pressure flange
■
Steep tapering of the couplings
■
Kink in material hose
■
Leaks in the couplings
■
Unmixed materials or materials unsuitable for pumping
39.3 Earlier damage to the mortar hose
NOTE!
If in the event of a machine fault by material clogging
the pressure in the mortar hose exceeds 60 bar, even
only temporarily, replacement of the mortar hose is
recommended as there might be damage in the hose
that is not externally visible.
