ShotPulled › Gear › Lever/piston lubrication
Deep clean and grease the piston: Meticulous Espresso
Before you start
- Tools
- toothbrush (or any plastic-handled brush), microfiber cloth
- Supplies
- food-safe silicone grease (Molykote 111 Compound or Super Lube O-Ring Silicone Grease only); dish soap (mixed with water; no added chlorine or solvents); central piston O-ring (if replacing) (ID 34 mm, 3 mm cross-section, OD 40 mm, silicone VMQ, hardness 50), optional
Warnings
- Use only Molykote 111 or Super Lube O-Ring Silicone Grease; other lubricants perform very differently. Source: Meticulous Home: Maintenance and Repairs (Recommended Cleaning & Maintenance)
- Never put vinegar, alcohol or solvents in the chamber. Source: Meticulous Home: Maintenance and Repairs (Recommended Cleaning & Maintenance)
- Never immerse the machine, scale module or electronics in water. Source: Meticulous Home: Maintenance and Repairs (Recommended Cleaning & Maintenance)
- Brushes must have plastic handles so they do not mark the machine's finished surfaces. Source: Meticulous Home: Maintenance and Repairs (Recommended Cleaning & Maintenance)
Steps
- Unplug the machine from the mains and let it cool down completely.
From the manual: “Disconnect the mains powerand make sure the machine is completely cool before starting.”
- Take the piston out, following Meticulous's disassembly video.
From the manual: “Remove the piston to perform a deep cleaning.”
- Dip a toothbrush in soapy water.
From the manual: “Soak the toothbrush in the soapy water”
- Scrub the inside of the cylinder and the piston thoroughly.
From the manual: “clean both the inside of the cylinder and the piston itself thoroughly.”
- Dry the cylinder, the shower screen and the gasket completely before anything goes back in.
From the manual: “Completely dry the cylinder, shower screen and gasket before re-inserting”
- Spread a small amount of the approved grease over the bottom 2 cm of the piston.
From the manual: “Apply a small amount of approved grease to the bottom 2 cm of the piston as per the video.”
- Put the piston back by reversing the video's disassembly.
From the manual: “Follow the instructions in the video to disassemble the piston.”
Sources
- Meticulous Home: Maintenance and Repairs (Recommended Cleaning & Maintenance) Maker’s support page
Researched on .
Published: the sentence is on the maker’s own page or in the maker’s own document.