O-Ring, Atlas Copco part number 3371817705 (also carried as 3376100037), listed at Crowder Supply as AC-3371817705. 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.
You will find it on the diagram for the LHD 23M Hydraulic Rock Drill and RDR 48R Rock Drill, and on 1 other machine. Pull up the diagram and confirm the reference number for your serial before ordering.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371817705
- Also listed as: 3376100037
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817705
- Listed on breakdowns for: LHD 23M Hydraulic Rock Drill, RDR 48R Rock Drill, RDR 48M Rock Drill
