Brew Boiler Maintenance

Rancilio Silvia Pro X: Brew Pump Removal and Replacement

Use these instructions to remove the brew pump from your Rancilio Silvia Pro for inspection, service, or replacement.

Tools Needed:
- 10mm crescent wrench
- 13mm crescent wrench
- PTFE tape
- Optional: slip-joint pliers or similar


1. Start by removing the panels from the machine.

2. Identify the brew pump.
Rancilio_Silvia_Pro_brew_pump_01-1

3. Disconnect the braided line from the brass elbow with the 13mm wrench. You may need to hold the brass elbow steady with the 10mm wrench.
Rancilio_Silvia_Pro_brew_pump_02
Rancilio_Silvia_Pro_brew_pump_03

4. Unscrew the brass elbow from the plastic pump outlet fitting. Identify and use the tool flats on the pump outlet fitting to hold the pump steady with the 13mm wrench while you turn the brass elbow with the 10mm wrench.
Rancilio_Silvia_Pro_brew_pump_05
Rancilio_Silvia_Pro_brew_pump_06

5. Pull the silicone elbow off of the inlet side of the pump.
Rancilio_Silvia_Pro_brew_pump_07

6. Disconnect the electrical leads connected to the pump.
Rancilio_Silvia_Pro_brew_pump_08

7. Pull the pump inlet and outlet out of the rubber pump mounting brackets. Start with the inlet side, then work the outlet side loose.
Rancilio_Silvia_Pro_brew_pump_09
Rancilio_Silvia_Pro_brew_pump_10

8. Inspect, service, or replace the pump.
Rancilio_Silvia_Pro_brew_pump_11

NOTE: When re-installing the pump, clean any remaining thread sealant off of the brass elbow and wrap the threads in PTFE tape before screwing it into the pump outlet fitting.
Rancilio_Silvia_Pro_brew_pump_12