Trigger, Atlas Copco part number 3111000200, listed at Crowder Supply as AC-3111000200. This is control gear it meters air to the rock drill. A worn control gives creep, hard starting, or a tool that will not shut off cleanly.
It appears on the BBD 12D DS Rock Drill breakdown. Check it against the reference number on the diagram first; serial breaks change what fits.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3111000200
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3111000200
- Listed on breakdowns for: BBD 12D DS Rock Drill
