How to dismantle and assemble Grundfos NBS single stage pump

See how a Grundfos service specialist dismantle and assemble a Grundfos NBS single stage pump and find out what the job requires and how it is performed.
• 00:00 Dismantle coupling guards and fork tool
• 01:09 Dismantle split coupling
• 03:00 Dismantle seal cover
• 03:55 Dismantle shaft seal
• 05:48 Dismantle motor from pump
• 06:52 Dismantle motor stool from pump housing
• 07:42 Dismantle cover and impeller from pump housing
• 09:06 Measure gap between impeller and pump housing/cover (wear rings)
• 10:45 Assemble impeller to the shaft
• 11:36 Assemble cover and impeller to pump housing
• 13:44 Assemble motor stool to pump housing
• 14:47 Assemble motor stool and motor
• 15:37 Assemble shaft seal
• 18:43 Assemble seal cover
• 20:26 Assemble split coupling
• 24:14 Reinstall fork tool and coupling guards
Learn more about NBS pumps, spare parts, service kits and additional services and solutions provided by Grundfos on product-selection.grundfos.com/ and do not hesitate to contact us via www.grundfos.com/pleasecallus

[@mohamedmahfouz1813]

I like the touch of the fork that lifts the pump shaft to keep it concentric with the motor