FLYGT 3153 - Page 4

Connect the motor cable to the starter and monitoring equipment.......................................24
Cable charts....................................................................................................................................25
Sensor-connection.........................................................................................................................31
Check the impeller rotation.............................................................................................................33
Operation..............................................................................................................................................35
Precautions.........................................................................................................................................35
Distance to wet areas........................................................................................................................35
Noise level..........................................................................................................................................35
Start the pump...................................................................................................................................35
Maintenance.........................................................................................................................................37
Precautions.........................................................................................................................................37
Maintenance guidelines...................................................................................................................37
Torque values....................................................................................................................................38
Change the coolant..........................................................................................................................39
Empty the coolant..........................................................................................................................39
Fill with coolant...............................................................................................................................41
Service the pump..............................................................................................................................42
Inspection........................................................................................................................................43
Major overhaul................................................................................................................................44
Service in case of alarm.................................................................................................................44
Replace the impeller.........................................................................................................................44
Replace the impeller for wet installation.....................................................................................44
Replace the impeller for dry installation......................................................................................52
Troubleshooting...................................................................................................................................62
Introduction.......................................................................................................................................62
The pump does not start..................................................................................................................62
The pump does not stop when a level sensor is used.................................................................63
The pump starts-stops-starts in rapid sequence...........................................................................63
The pump runs but the motor protection trips.............................................................................64
The pump delivers too little or no water........................................................................................65
Technical Reference............................................................................................................................67
Application limits...............................................................................................................................67
Motor data..........................................................................................................................................67
Table of Contents
2 Flygt 3153 Installation, Operation, and Maintenance Manual