This is Chicago Pneumatic part number C035782 throttle valve spring, stocked at Crowder Supply as CP-C035782. It governs how air reaches the working end of the drill. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
It is called out in the parts diagram for the CP 0315 Core Drill.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: C035782
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-C035782
- Listed on breakdowns for: CP 0315 Core Drill

