Ordering by number: this is F836892, the Chicago Pneumatic chuck. It holds the working steel in the rock drill. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
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.
Everything else on that machine is one page away on the parts diagram hub; complete tools are on the Chicago Pneumatic lineup. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: F836892
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F836892
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill
