Throttle Valve Bushing, Chicago Pneumatic part number P005154, cross-referenced to 3310104412, listed at Crowder Supply as CP-P005154. It governs how air reaches the working end of the chipping hammer. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
You will find it on the diagram for the CP 4129 Chipping Hammer and CP 0111 CHLA 0111 CHIT Pick Hammer. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Chicago Pneumatic tool range covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: P005154
- Also listed as: 3310104412
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-P005154
- Listed on breakdowns for: CP 4129 Chipping Hammer, CP 0111 CHLA 0111 CHIT Pick Hammer
