Bell & Gossett MK MV (8204, 8204X) - Manual (Page 4)

Operation..............................................................................................................................................30
Precautions.........................................................................................................................................30
Distance to wet areas........................................................................................................................30
Noise level..........................................................................................................................................30
Start the pump...................................................................................................................................30
Maintenance.........................................................................................................................................32
Precautions.........................................................................................................................................32
Maintenance guidelines...................................................................................................................32
Torque values....................................................................................................................................32
Change the oil: standard version ...................................................................................................33
Empty the oil...................................................................................................................................33
Fill with oil........................................................................................................................................34
Change the coolant: Ex-version .....................................................................................................35
Empty the coolant..........................................................................................................................35
Fill with coolant...............................................................................................................................37
Service the pump..............................................................................................................................38
Inspection........................................................................................................................................38
Major overhaul................................................................................................................................39
Service in case of alarm.................................................................................................................39
Replace the impeller.........................................................................................................................40
Remove the impeller......................................................................................................................40
Install the impeller..........................................................................................................................41
Troubleshooting...................................................................................................................................45
Introduction.......................................................................................................................................45
The pump does not start..................................................................................................................45
The pump does not stop when a level sensor is used.................................................................46
The pump starts-stops-starts in rapid sequence...........................................................................46
The pump runs but the motor protection trips.............................................................................47
The pump delivers too little or no water........................................................................................47
Technical Reference............................................................................................................................49
Motor data..........................................................................................................................................49
Application limits...............................................................................................................................49
Table of Contents
2 MK, MV (8204, 8204X) Installation, Operation, and Maintenance Manual