HIGH PUMP & MOTOR VIBRATION

arindamMember

OUR HT MOTOR WAS SENT FOR OVERHAULING OWING TO HIGH HORIZONTAL VIBRATION. WHEN NO-LOAD RUN OF MOTOR WAS TAKEN, HORIZONTAL VIBRATION OF 10 MM/SEC PEAK WAS OBSERVED. ON ALIGNMENT OF THE MOTOR WITH PUMP AND CONNECTION WITH COUPLING, ON-LOAD RUN WAS TAKEN AND HIGH HORIZONTAL VIBRATION OF 12 MM/SEC WAS OBSERVED ON DE SIDE OF BOTH PUMP & MOTOR. NDE SIDE VIBRATION OF BOTH PUMP AND MOTOR WAS BETWEEN 8-10 MM/SEC. PUMP NDE SIDE SPLIT BEARING (THRUST) TEMPERATURE ALSO SHOT UP TO 75 degC. CAN ANYONE HELP ME IN TROUBLESHOOTING THIS PROBLEM. MOTOR IS 510 kW, RPM-3000. PUMP-2980 RPM

7/6/1110:24 AM

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