This is the Chicago Pneumatic O-Ring part number R157977, also listed as 3310104323, Crowder SKU CP-R157977. Its job is to hold the pressure boundary between two mating faces; a hardened or nicked seal shows up as lost power and a damp housing well before anything else fails.
The published breakdown lists it on the CP 0122SVR 0125SVR Pick Hammer and FL0022VR FL0022SVR Clay Digger, and on 1 other machine. Compare it to the reference callout on the diagram to be sure it is the position you need.
Everything else on that machine is one page away on the parts diagram hub; complete tools are on the CP tool catalog. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: R157977
- Also listed as: 3310104323
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R157977
- Listed on breakdowns for: CP 0122SVR 0125SVR Pick Hammer, FL0022VR FL0022SVR Clay Digger, FL 0025 VR SVR Pick Hammer
