Finally here is my attempt to open and lubricate MaraX cam head.
My advise is just please be extra careful when unscrew.

E61 Grouphead machine has been around since 1961, so many videos already available on youtube from across many brand.
E61 Groupdhead is pretty straight to the point and easy to fix on your own.
Despite of your machine brand, you can actually find plenty of spareparts for E61 Grouphead online, therefore this is truly a great advantage of having a E61 Grouphead

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