Ordering by number: this is F814812, which also shows up as 3310190187, the Chicago Pneumatic throttle valve Ass’y. It governs how air reaches the working end of the hammer. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
It shows up in the parts breakdown for the CP0222 CHIT BS CHOT BS Pick Hammer. It comes off the CP 0222 Pneumatic Clay Digger. Pull up the diagram and confirm the reference number for your serial before ordering.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: F814812
- Also listed as: 3310190187
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F814812
- Listed on breakdowns for: CP0222 CHIT BS CHOT BS Pick Hammer

