Ordering by number: this is 0108131900, the Atlas Copco spring pin. It loads its mating part against the seat. When free length drops, the symptom is inconsistent operation the tool works, but not crisply.
You will find it on the diagram for the BBC 34DSI Rock Drill and BBC 34W WS Pusher Leg Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Atlas Copco tool range covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 0108131900
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0108131900
- Listed on breakdowns for: BBC 34DSI Rock Drill, BBC 34W WS Pusher Leg Drill
