This is the Atlas Copco valve set part number 3131001080, Crowder SKU AC-3131001080. It directs the flow that reverses the piston in the rock drill. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
You will find it on the diagram for the BBD 46 WS/WR Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco lineup covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3131001080
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3131001080
- Listed on breakdowns for: BBD 46 WS/WR Rock Drill
