Wet End Rebuild for VX-Series Pumps

How to replace rotary lobes, wear plates & cartridge mechanical  seals

The following videos show the assembly and disassembly of a Vogelsang rotary lobe pump and how to change rotary lobes, wear plates and cartridge seals.

NOTE: Having issues with these videos? View them here as a Youtube playlist

Disassembly of Wet End

Depressurizing the pump and removing the rotors. It's important to remember to depressurize before removing the rotors!

Removing Cartridge Mechanical Seals

Installing O-Rings in Seal Cavity

Installing Cartridge Mechanical Seals

Install Rear Wearplate

Installing Rotors

Setting Retaining Screw Torque

Filling Oil & Pressurizing