This is Atlas Copco part number 3115177900 extra blowing lever, stocked at Crowder Supply as AC-3115177900. It governs how air reaches the working end of the rock drill. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
Crowder’s breakdowns list this part on the RH 658L/LS/LS-01 Rock Drill and RH 656W Rock Drill. The complete machine is the RH 658 L Surface Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
Work through the rest of the assembly on the same breakdown, or start over from the parts diagram library. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3115177900
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3115177900
- Listed on breakdowns for: RH 658L/LS/LS-01 Rock Drill, RH 656W Rock Drill
