This is the Atlas Copco O-Ring part number 0663613700, Crowder SKU AC-0663613700. It keeps air or oil where it belongs inside the hammer. Once it flattens or hardens, the machine loses pressure across the joint and performance falls off gradually rather than all at once.
It is called out in the parts diagram for the TEX 09PS PSR PSKL PSKL US Pick Hammer and ALF 72D 72D-1 Pusher Leg, and on 2 other machines. Pull up the diagram and confirm the reference number for your serial before ordering.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Atlas Copco tool range covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 0663613700
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663613700
- Listed on breakdowns for: TEX 09PS PSR PSKL PSKL US Pick Hammer, ALF 72D 72D-1 Pusher Leg, ALF 67/80 67/80D Pusher Leg, TEX 12 PS PS US PSR PSKL PSRKL PSKL US Pick Hammer
