📹 Gaggia Classic Pro: Diagnosing and Replacing the Pump Updated December 03, 2021 19:17 Learn how to diagnose and replace the pump on the Gaggia Classic Pro. Gaggia Classic Pro: How to Diagnose and Replace the Pump Introduction (00:00) Diagnose Pump (00:17) Tools & Parts (00:55) Remove Top Cover (02:13) Remove Power Wires (03:45) Remove OPV Tube (04:55) Remove Pump Mount Screws (05:12) Remove Pump Wires (06:15) Remove Thermal Fuse (07:08) Disconnect Waterline (09:07) Remove OPV Valve (10:50) Remove Pump from Holder (11:32) Install Pump in Holder (12:45) Install Tubing (13:40) Install OPV Valve (13:52) Mount Pump in Machine (15:04) Connect Waterline (15:35) Connect Pump Wires (16:50) Seat Pump in Machine (17:35) Install Pump Mount Screws (18:15) Install Power Wires (19:52) Attach OPV Tube (20:15) Install Top Cover (21:00) Force Priming (21:40)