Lock Washer, Atlas Copco part number 3177007200, listed at Crowder Supply as AC-3177007200. This distributes bolt load across the joint face on the pusher leg. Flattened or dished washers are replaced during reassembly.
It is called out in the parts diagram for the ALF 71 71-1 Pusher Leg and ALF 72D 72D-1 Pusher Leg. The tool itself is the Atlas Copco Pusher Leg Attachment For BBC Series Rock Drills. Check it against the reference number on the diagram first; serial breaks change what fits.
Need the parts around it? They are on the same breakdown, and the parts diagram library covers every machine we publish. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3177007200
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3177007200
- Listed on breakdowns for: ALF 71 71-1 Pusher Leg, ALF 72D 72D-1 Pusher Leg
