This is Atlas Copco part number 3111004001 valve – oversized, stocked at Crowder Supply as AC-3111004001. 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.
The parts diagram hub is where to start if you are working back from a machine or send the model and serial and we will confirm it. Complete tools sit on the Atlas Copco catalog. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3111004001
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3111004001