Ordering by number: this is 3111000300, the Atlas Copco valve pin. This part controls the working cycle of the rock drill. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
Crowder’s breakdowns list this part on the BBD 12D DS Rock Drill. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco catalog covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3111000300
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3111000300
- Listed on breakdowns for: BBD 12D DS Rock Drill
