Ordering by number: this is R137338, also listed as 3310190060, the Chicago Pneumatic valve. This part controls the working cycle of the breaker. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It appears on the CP 1230 1230S 1230SVR Paving Breaker breakdown. 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 Chicago Pneumatic lineup. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: R137338
- Also listed as: 3310190060
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R137338
- Listed on breakdowns for: CP 1230 1230S 1230SVR Paving Breaker
