This is the Atlas Copco check valve screw part number 3371817155, Crowder SKU AC-3371817155. This part controls the working cycle of the rock drill. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It shows up in the parts breakdown 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 full diagram library. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3371817155
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817155
- Listed on breakdowns for: LHD 23M Hydraulic Rock Drill, RDR 48R Rock Drill, RDR 48M Rock Drill
