This is Atlas Copco part number 3376100173 valve block, stocked at Crowder Supply as AC-3376100173. It directs the flow that reverses the piston in the tool. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
Crowder’s breakdowns list this part on the PHB 3-14 Hydraulic Post Hole Borer. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the full diagram library has the full breakdown library, and the Atlas Copco catalog covers the machines themselves. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3376100173
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3376100173
- Listed on breakdowns for: PHB 3-14 Hydraulic Post Hole Borer
