Sorry, I didn't ask. Based on the discussions I've read, most if not all of the restoration projects were undertaken by those with considerable DIY skills and years of practical experience with espresso machine maintenance. I don't recall any opening with statements like this:
I am new to this, so technical terms will only confuse. I do not have a manual, so when you are referring to particular parts, a picture or description of location with help a lot!
"A man's got to know his limitations." --Harry Callahan, Magnum Force (1973)