![Speck pumpen CSY Series Скачать руководство пользователя страница 82](http://html.mh-extra.com/html/speck-pumpen/csy-series/csy-series_operating-instructions-manual_1341805082.webp)
Operating
Instructions
24
1096.0833 | CY, CSY, LNY, LSY, NPY, PY, Y, YS Series
05/2011
Defect
Cause
Rectification
Strange noise
Pump cavitation
►
Reduce the temperature of the medium to be
pumped, check NPSH
Excessive share of steam in the suction flow
►
Reduce the temperature of the medium to be
pumped, check NPSH
Suction-side fitting closed
►
Open the suction-side fitting
Low pressure in the suction pipe
►
Check the suction pipe/switch off the motor
by means of the vacuum switch
Ingress of air in the suction pipe
►
Seal the suction pipe/increase the filling level
in the reservoir
Excessive outlet pressure
►
Reduce the outlet pressure
Leaking pump
Defective shaft sealing
►
Replace the shaft sealing
Defective casing sealing
►
Provide the pump with new sealing
Loosened connecting screws/screw plugs
►
Tighten the screws, replace the sealing
Tab. 11 Troubleshooting