Rocket Espresso E61 Cam and Valve Wear / Lack of Lubrication

Brew lever on E61 group is stiff, squeaks, or does not move smoothly.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Dry cam surfaces, Worn cam follower pins, Coffee residue inside group, Hardened valve seals

How to Fix / Troubleshooting

Safety first: Turn off and unplug the machine. Allow the group to cool before disassembly.

  • Backflush first: Perform a detergent backflush to remove internal coffee oils.
  • Disassemble lever and cam: Remove the lever pin and slide out the cam. Inspect for wear and clean all parts with a food-safe cleaner.
  • Lubricate: Apply a thin layer of food-grade silicone grease to the cam surfaces and cam follower pins.
  • Inspect valves: While the cam is out, check the valve stems and springs for smooth movement. Replace worn seals if necessary.
  • Reassemble and test: Reinstall the cam and lever, ensuring smooth operation.
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Repair Difficulty

Medium 3/5

Required Part

E61 Cam and Valve Seals
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