Hey there— It’s been a long time, but if memory serves (which it occasionally still does…), I think I once did this and had swapped the top and bottom “pistons” for lack of a better term. Have a look at this, or any of the many “cutaway e61 video” hits on youtube, and good luck.
https://www.youtube.com/watch?v=Rc-5k4x0aUs ben > On Jun 17, 2021, at 07:24, [email protected] <[email protected]> wrote: > > Here it goes... I'm hoping someone else has made the same simple mistake I > apparently have, and can point me to victory: > > Problem: upon reassembly of E61 group head anything above 8 bar or so opens > the exhaust valve and flushes water. This means that If I backflush or pull > a shot water is continuously pouring out of the exhaust (not the opv). > > Background: I dissembled my perfectly good and perfectly working E61 group > head on my Brewtus III to perform some regular maintenance - clean and lube > the valves and springs. > I got distracted somehow in the middle and may have swapped springs around > between the lever, the intake valve and lower exhaust valve, but didn't > realize this until later. On reassembly I'm experiencing the problem noted > above. > > Has anyone run into this? > > Troubleshooting: > Seems like it's clearly an issue with the exhaust opening at too low a > pressure. My first thought was the springs. I believe I did swap the spring > on the intake and lower exhaust valve, but still getting the same problem. > > I rechecked and reseated the valves to ensure they were mating correctly to > the surfaces > I reseated the lever cam to make sure it was in the correct position > > I've read a one of person who seemed to have the same problem but his > solution, on a different machine, described some sort of brass plate on the > bottom mating surface of the exhaust piston that I don't have on mine. > > My valves aren't particularly warn. gaskets aren't crunchy and are freshly > lubed now. > > I'm having trouble finding specs on all the springs so that I could measure > them and just make sure I have them in the right order. > > thoughts / suggestions welcome -- thank you > > > > -- > You received this message because you are subscribed to the Google Groups > "Brewtus" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/brewtus/7f0473d8-c03c-4702-960d-9e1409084969n%40googlegroups.com > > <https://groups.google.com/d/msgid/brewtus/7f0473d8-c03c-4702-960d-9e1409084969n%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/brewtus/EBF967AF-EEEA-4FC5-9BC8-642208D10520%40me.com.
