This is the Chicago Pneumatic valve case part number R085607, also listed as 3310104143, Crowder SKU CP-R085607. This part controls the working cycle of the rock drill. 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 0069 Rock Drill. That machine is the CP 0069 Pneumatic Rock Drill if you are pricing a replacement rather than a repair. Check it against the reference number on the diagram first; serial breaks change what fits.
Work through the rest of the assembly on the same breakdown, or start over from the full diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R085607
- Also listed as: 3310104143
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R085607
- Listed on breakdowns for: CP 0069 Rock Drill
