How to dismantle and assemble Grundfos MQ pump

See how a Grundfos service specialist dismantle and assemble Grundfos MQ pump and find out what the job requires and how it is performed. The different sections include: 00:00 Introduction Dismantling: 00:13 Fitting of non-return valve 00:27 Removing the pump housing 01:18 Dismantling the pump housing 01:56 Removing the chambers and impellers 03:11 Removing the rotating part of the shaft seal 03:40 Removing stationary part of shaft seal without removing motor 04:16 Opening the terminal box 04:29 Loosening the motor wires 06:19 Removing the pressure tank 06:31 Removing the motor 08:03 Removing stationary part of shaft seal with motor removed Assembly: 08:17 Fitting the motor 10:55 Fitting the pressure tank 11:17 Connecting the motor wires 12:56 Replacing the flow sensor 15:47 Replacing the pressure switch 18:10 Replacing the capacitor 20:16 Closing the terminal box 20:35 Fitting the stationary part of the shaft seal 20:48 Fitti