Pawl Spring CP9 Rock Drill is the Chicago Pneumatic service part carried under part number R085890, also listed as 3310103762. It drives or indexes rotation. When it wears, the tool still hammers but stops turning the steel evenly.
Crowder’s breakdowns list this part on the CP 9RR 9RRS Rock Drill and CP 9A 9F Rock Drill, and on 2 other machines. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts diagram library to work through the rest of the assembly, or the Chicago Pneumatic lineup if you are pricing a replacement machine. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: R085890
- Also listed as: 3310103762
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R085890
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill, CP 9A 9F Rock Drill, CP 9BS Rock Drill, CP 0009 A F E CS ES AC Rock Drill
