O-Ring, Atlas Copco part number 3371817704, listed at Crowder Supply as AC-3371817704. 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.
It appears on the RDR 48R Rock Drill and RDR 48M Rock Drill, and on 1 other machine breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
The parts diagram hub indexes every breakdown we publish, and the Atlas Copco tool range has the tools these parts go into. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3371817704
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817704
- Listed on breakdowns for: RDR 48R Rock Drill, RDR 48M Rock Drill, LHD 23M Hydraulic Rock Drill
