Ordering by number: this is R145787, the Chicago Pneumatic lower valve lid. 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.
Crowder’s breakdowns list this part on the CP 1240 1240S 1240SVR Paving Breaker. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The parts breakdown index indexes every breakdown we publish, and the Chicago Pneumatic lineup has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R145787
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R145787
- Listed on breakdowns for: CP 1240 1240S 1240SVR Paving Breaker
