Cylinder carries Chicago Pneumatic part number F085886 and is stocked here under CP-F085886. It carries the piston and the port timing for the rock drill. Bore wear is gradual, so it is usually diagnosed by falling performance rather than a breakdown.
Crowder’s breakdowns list this part on the CP 9 9S Rock Drill.
If you need the parts around it, the parts diagram library has the full breakdown library, and the CP tool catalog covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: F085886
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F085886
- Listed on breakdowns for: CP 9 9S Rock Drill

