Rossi Grinder problems...

Hey Guys,

 

Wondering for a little insight: Rossi (potentially RR45? All I know is that the customer traded folding tables for his grinder... good times, restaurant coffee) grinder that simply won't dial in. I pulled the grind ring in until the burrs were touching, then out 1 or 2 clicks and all my shots still ran like a 2 year old's nose (which, actually, the waiter I was working with said it was the best coffee they've made there so far... again, restaurant fail.). So far, the only even barely palatable shots were created from overdosing the basker until it had had enough and then tamping like a madman to jam the grinds in there.The machine is a Nuova Simmonelli Premier.

 

Pressure and temp on the machine look solid (if the gauges are working properly), but I have yet to scace it. The burrs on the grinder look like they've never been changed or cleaned... I'm guessing that's the culprit right there, but any insight would be much appreciated.

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