O-Ring, Atlas Copco part number 0663920600, listed at Crowder Supply as AC-0663920600. Its job is to hold the pressure boundary between two mating faces; a hardened or nicked seal shows up as lost power and a damp housing well before anything else fails.
You will find it on the diagram for the BMT 51 Pusher Leg. The complete machine 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.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 0663920600
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663920600
- Listed on breakdowns for: BMT 51 Pusher Leg
