How to Rebuild Your E61 Group Head

E61 group head gasket and screen replacement
☕ Quick Take

Rebuild your E61 group head every 3–5 years by replacing gaskets, valves, and seals to maintain optimal espresso extraction and machine longevity.

  • Replace E61 group head components every 3–5 years depending on usage frequency and water quality
  • Essential parts include camshaft, pre-infusion valve, brew valve, drain valve, and multiple gaskets
  • Perform this rebuild when machine is fully cool using adjustable wrenches, microfiber towels, and Molycote lubricant
  • Combine group head rebuild with yearly preventative maintenance including backflushing and gasket replacement

Changing the gaskets and wearable parts in your group head should be a part of your every three to five year maintenance plan— this length depends upon your usage and water quality. Join our Tech Manager, Zac, as he shows you how to rebuild your E61 group head. Before starting, make sure to get the E61 Group Head Rebuild Kit and tools listed below.

What you’re replacing/ what’s included in the E61 rebuild kit:

  • Camshaft
  • Pre-infusion valve
  • Top brew valve
  • Drain valve
  • 2 Camshaft gaskets
  • 1 Teflon cap
  • 3 Large Teflon gaskets
  • E61 cap filter

Tools you’ll need:

  • 2 adjustable wrenches
  • 1 flathead screw driver
  • Dental pick and/or tweezers 
  • Microfiber towels
  • Molycote Lubricant

Important notes:

  • To safely and more easily perform this repair, ensure your machine is off and fully cool. 
  • Use a microfiber towel in between your machine and the adjustable wrench to avoid any scratching to the chrome.
  • For more information on this repair, visit our knowledge base article: Inspecting and Replacing Group Head Valves.

We recommend this repair be accompanied by a yearly E61 preventative group head maintenance routine. For steps on replacing your gasket and screen, and performing a backflush, check out our blog: How to Backflush and Clean Your Espresso Machine. Make sure to get your cleaning essentials such as Biocaf and a Pallo brush and the E61 preventative maintenance kit.

Frequently Asked Questions

How often should I rebuild my E61 group head?

You should rebuild your E61 group head every 3 to 5 years, depending on how frequently you use your machine and your water quality. Higher usage and poor water quality may require more frequent rebuilds. Signs you need a rebuild include inconsistent extraction, leaking, or reduced pressure.

What parts are included in an E61 group head rebuild kit?

A complete E61 rebuild kit includes a camshaft, pre-infusion valve, top brew valve, drain valve, two camshaft gaskets, one Teflon cap, three large Teflon gaskets, and an E61 cap filter. These are all the wearable components that require replacement during a full group head rebuild.

Can I rebuild an E61 group head myself or do I need a technician?

You can rebuild an E61 group head yourself with the right tools and patience. You'll need two adjustable wrenches, a flathead screwdriver, dental pick or tweezers, microfiber towels, and Molycote lubricant. Ensure your machine is completely cool before starting, and use towels to protect chrome surfaces from scratching.

What maintenance should I do between E61 group head rebuilds?

Between rebuilds, perform yearly preventative maintenance including regular backflushing with Biocaf cleaner, replacing the group gasket and shower screen, and cleaning with a Pallo brush. This routine maintenance extends the life of your group head components and ensures consistent espresso quality.