This is the Atlas Copco liner part number 3122033400, Crowder SKU AC-3122033400. The cylinder is the bore the piston runs in, and it sets the working clearance of the pusher leg once the bore opens up, air bypasses the piston and blow energy drops.
You will find it on the diagram for the BMT 51 Pusher Leg and ALF 71 71-1 Pusher Leg, and on 1 other machine. The tool itself is the Atlas Copco Pusher Leg Attachment For BBC Series Rock Drills. 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.
Work through the rest of the assembly on the same breakdown, or start over from the parts diagram library. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3122033400
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3122033400
- Listed on breakdowns for: BMT 51 Pusher Leg, ALF 71 71-1 Pusher Leg, ALF 67/80 67/80D Pusher Leg
