Seal Washer, Atlas Copco part number 3371817154, listed at Crowder Supply as AC-3371817154. It keeps air or oil where it belongs inside the rock drill. Once it flattens or hardens, the machine loses pressure across the joint and performance falls off gradually rather than all at once.
The published breakdown lists it on the RDR 48M Rock Drill and LHD 23M Hydraulic Rock Drill, and on 1 other machine. 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.
Everything else on that machine is one page away on the parts diagram library; complete tools are on the Atlas Copco tool range. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371817154
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817154
- Listed on breakdowns for: RDR 48M Rock Drill, LHD 23M Hydraulic Rock Drill, RDR 48R Rock Drill
