Table of Contents
Introduction and Safety...................................................................................................................................................3
Introduction.......................................................................................................................................................................3
Transportation and Storage..........................................................................................................................................3
Inspect the delivery........................................................................................................................................................3
Product warranty............................................................................................................................................................3
Safety...................................................................................................................................................................................4
Safety message levels.....................................................................................................................................................4
User safety.......................................................................................................................................................................5
Ex-approved products...................................................................................................................................................6
Environmental safety.....................................................................................................................................................7
Product Description..........................................................................................................................................................8
Products included..............................................................................................................................................................8
The data plate.....................................................................................................................................................................9
Approvals............................................................................................................................................................................9
Product denomination....................................................................................................................................................11
Installation.........................................................................................................................................................................12
General precautions........................................................................................................................................................12
Requirements...................................................................................................................................................................12
Cables................................................................................................................................................................................12
Earthing (Grounding).....................................................................................................................................................13
Connect the motor cable to the pump.........................................................................................................................13
Connect the motor cable to the starter and monitoring equipment.......................................................................14
Cable charts......................................................................................................................................................................15
Sensor-connection.......................................................................................................................................................20
Check the impeller rotation...........................................................................................................................................21
Maintenance......................................................................................................................................................................22
Precautions.......................................................................................................................................................................22
Maintenance guidelines..................................................................................................................................................22
Torque values...................................................................................................................................................................22
Change the oil..................................................................................................................................................................23
Empty the oil................................................................................................................................................................23
Fill with oil....................................................................................................................................................................24
Disassemble the pump...................................................................................................................................................25
Remove the motor cable and the stator housing....................................................................................................25
Remove the pump housing.........................................................................................................................................26
Remove the mechanical seal.......................................................................................................................................27
Remove the stator from the stator housing.............................................................................................................30
Assemble the pump........................................................................................................................................................31
Install the stator in the stator housing......................................................................................................................31
Install the mechanical seal..........................................................................................................................................32
Install the motor cable in the stator housing...........................................................................................................35
Replace wear parts and cutting parts........................................................................................................................37
Install the pump housing............................................................................................................................................41
Replace the impeller........................................................................................................................................................42
Replace the C- or D-impeller.....................................................................................................................................43
Replace the F-impeller.................................................................................................................................................46
Replace the M-impeller...............................................................................................................................................51
Replace the N-impeller................................................................................................................................................55
Requirements for Ex-approved products....................................................................................................................57
Table of Contents
Flygt 3102 Service and Repair Instructions 1
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