How to Rebuild Your E61 Group Head

By Sam PinkertonJun 16, 2023

E61 group head gasket and screen replacement

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 the 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

Replacing the gaskets and wearable parts in your group head should be part of your every three- to five-year maintenance plan—this interval depends on 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:

Tools you’ll need:

2 adjustable wrenches
1 flathead screwdriver
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 cooled.
Use a microfiber towel 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: I nspecting 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 post, "Espresso Machine Cleaning & Maintenance ." Make sure to get your cleaning essentials, such as the Cafetto EVO Espresso Machine Cleaner, a Pallo group head brush, and the Standard E61 Group Head Maintenance Kit. Feeling like an upgrade? Get the Premium E61 Group Head 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.

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