I just got a rocky second hand with my new silvia. The grinder is great but im not noticing any difference between any of the settings. Went to make some course for presspot and it looked the same as the grind setting for the espresso. Also the little button on top seems loose, could that be the problem? Is it possible to fix this myself?
The little button on the top locks the grind to the set position. If it is falling down and not engaging the collar, the collar will turn and rest the grind to a very fine setting. If this is happening, you have to clear the hole that it sits in. Easier said than done, but not too difficult. First, remove the bean hopper. Then carefully unscrew the collar all the way out. You will see the grinding burrs here. This is where you can change them if needed - not our problem now. Lift out the button out, and there should be a spring too. The hole frequently gets packed with coffee grounds. You can use a drill bit - by hand - or a philips screwdriver (takes longer) to take the grounds out of the hole. Replace spring and button, working it up and down to ensure proper movement. Clean the threads of the collar with a brush and carefully screw back together. This step is important! You could ruin the grinder if the collar is not straight! When you get it screwed in most of the way, start the grinder. Slowly screw it in until you hear a "zing" when the burrs touch. Stop and back off another 1/4 turn. This should be the espresso setting and the button should come up and lock the collar in place.
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There could be a piece broken around the chute where it comes out of the grinder and enters the grounds chamber. There is a rectangular opening in the plastic that can get broken causing the grounds to enter the machine.
The Rancilio Rocky coffee grinder is a superb, highly recommended machine, but its doser is pretty useless in the home. First reason: you want to grind coffee instants before you brew or pull your espresso shot; otherwise, the grinds just lose aromatics and flavor. The doser only works for multiple doses, so you're better off just grinding the amount you need each time. If you're buying a Rocky, get the doserless model.
If you have the doser model, like I do, you also find that the vanes which sweep the coffee into your portafilter or cone leave a layer of grounds on the doser floor. If not cleaned out, they turn rancid. There are coffee web sites with fairly complicated instructions on how to modify the vanes to do a clean sweep. Here's the simple way:
Flip up the doser cover, and spin the vanes while pressing your finger lightly on the outer top edge of one vane. The vanes have enough play so the pressure brings one into light contact with the doser floor, sweeping 99% of the grounds into your waiting portafilter.
to get starting point you adjust burrs to touch each other. when they touch each other you have finest grinding, after you hear metal voice you turn back 3 dots and grind only for 1 dose. you check it, if it goes to slow, you go one more back and clean gruinder, THAN you grind 1 dose more. 2 or 3 times and you will get perfect grinding.
the grinding itself makes noise. if you have noise in empty spinning than you should consider changing bearings( 2 of them) in the motor. during opening grinder pay attention to lower holder of burr which spins together with axis, try to be gentle with that part.
because it didn't work a wilde the upper burr holder could be jammed, carefully take id off, clean it good and then put it back until you touch lower burr with the upper.
to get starting point you adjust burrs to touch each other. when they
touch each other you have finest grinding, after you hear metal voice
you turn back 3 dots and grind only for 1 dose. you check it, if it
goes to slow, you go one more back and clean grinder, THAN you grind 1
dose more. 2 or 3 times and you will get perfect grinding.
Your assumption is correct. But you do not have to (and you can not) see the grinder wheels to adjust the grinder. The numbers on the bean container indicate the level. All you have to do is to push down the release lever (on the right side) and then turn the container -- towards right for finer grindings (lower number) or to left for coarser coffee. Around 12 is usually suitable for espresso machines. Willy
if upper burr holder and the body of grinder does not hold stabile, teflon aplying does not help too much, it is only temporary solution. new upper bur holder would do better.
before inserting upper burr holder you should check if lower burr is rotating syncronized, you should take a bit chalk and sof touch while burr rotates. after that you stop grinder and look do you have circle with same thiknes, that would give you idea where is the problem, if it is in lower burr.