O-Ring is the Atlas Copco service part carried under part number 3371817700. Seals like this one are consumables in a rock drill they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
Crowder’s breakdowns list this part on the LHD 23M Hydraulic Rock Drill and RDR 48R Rock Drill, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away on the parts diagram library; complete tools are on the Atlas Copco catalog. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371817700
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817700
- Listed on breakdowns for: LHD 23M Hydraulic Rock Drill, RDR 48R Rock Drill, RDR 48M Rock Drill
