This is the Chicago Pneumatic front valve seal part number R085808, Crowder SKU CP-R085808. 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.
It is called out in the parts diagram for the CP 9RR 9RRS Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: R085808
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R085808
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill
