This is the Atlas Copco spring part number 3121056400, Crowder SKU AC-3121056400. Springs in a pusher leg fatigue with cycle count rather than age, so a control that has gone lazy or fails to return is usually this part rather than the component it drives.
The published breakdown lists it on the BBC 16W WS Pusher Leg Drill and BBC 34W WS Pusher Leg Drill, and on 1 other machine.
The parts diagram library indexes every breakdown we publish, and the Atlas Copco lineup has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3121056400
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121056400
- Listed on breakdowns for: BBC 16W WS Pusher Leg Drill, BBC 34W WS Pusher Leg Drill, BBC 34DSI Rock Drill
