Table of Contents
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Table of Contents
Check the impeller rotation.............................................................................................................20
Operation..............................................................................................................................................21
Precautions.........................................................................................................................................21
Distance to wet areas........................................................................................................................21
Noise level..........................................................................................................................................21
Start the pump...................................................................................................................................21
Clean the pump.................................................................................................................................22
Maintenance.........................................................................................................................................23
Precautions.........................................................................................................................................23
Maintenance guidelines...................................................................................................................23
Torque values....................................................................................................................................23
Service................................................................................................................................................24
Inspection........................................................................................................................................24
Major overhaul................................................................................................................................26
Change the oil...................................................................................................................................26
Empty the oil...................................................................................................................................26
Fill with oil........................................................................................................................................26
Replace the impeller.........................................................................................................................26
Remove the impeller......................................................................................................................26
Install the impeller: MT .................................................................................................................29
Install the impeller: LT ...................................................................................................................33
Troubleshooting...................................................................................................................................35
Introduction.......................................................................................................................................35
The pump does not start..................................................................................................................35
The pump does not stop when a level sensor is used.................................................................36
The pump starts-stops-starts in rapid sequence...........................................................................36
The pump runs but the motor protection trips.............................................................................37
The pump delivers too little or no water........................................................................................38
Technical Reference............................................................................................................................39
Application limits...............................................................................................................................39
Motor data..........................................................................................................................................39
Specific motor data...........................................................................................................................39
Dimensions and weights..................................................................................................................41
Performance curves..........................................................................................................................41
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Flygt 2071 Installation, Operation, and Maintenance Manual
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Table of Contents
