Einleitung
The Beguko is an inexpensive coffee grinder with conical burrs. By default it doesn't grind fine enough for espresso. But it can be adjusted to grind finer. That's what we are doing here.
Be extremely careful: this will make the two burrs closer to each other. You don't want them to touch, or you will damage them. So adjust carefully, little by little.
Before the modification, at the finest level the extraction time (time to make a coffee on my espresso machine) was too short: about 12 to 15 seconds with 18g to 22g of coffee.
After this modification, I can now have a 25 to 30 seconds extraction time, which is perfect. I can even choke my espresso machine, which means the grinder can now grind very fine.
The shots are now more smooth, less bitter.
-
-
After removing the hopper, you'll see some beans, make sure you clean it before the next step.
-
-
-
First remove this paper. It is glued on the plastic. I used a knife and a flat screw driver. Keep it to put it back later.
-
-
-
Underneath you'll find 4 screws. Those are triangle screws, and require a triangle screwdriver as pictured. You might be able to use a small phillips screwdriver.
-
-
-
You will find two screws on the left and right sides. Unscrew them. You won't be able to fully remove them, that's normal.
-
Now turn the piece of plastic that holds these two screws clockwise, just a bit. You can now screw back the two screws, one or two holes from their original place.
-
-
-
You can now put it back in reverse order. Note that the arrow might not be anymore at the same place as before. This is great, you can grind finer.
-
Make sure you only grind one step finer first. Not more. The risk is that the two burrs will be too close and will be damaged. So try first on the original setting, and only grind finer one step at a time. If you hear a screeching sound stop! And go back one step.
-
