This is the Atlas Copco O-Ring part number 0663918400, Crowder SKU AC-0663918400. It keeps air or oil where it belongs inside the pusher leg. Once it flattens or hardens, the machine loses pressure across the joint and performance falls off gradually rather than all at once.
The published breakdown lists it on the BBC 34W WS Pusher Leg Drill and BBC 34DSI Rock Drill, and on 1 other machine.
The parts breakdown index indexes every breakdown we publish, and the Atlas Copco tool range has the tools these parts go into. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 0663918400
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663918400
- Listed on breakdowns for: BBC 34W WS Pusher Leg Drill, BBC 34DSI Rock Drill, BBC 16W WS Pusher Leg Drill
