Ordering by number: this is R086622 (also carried as 3310104102), the Chicago Pneumatic rifle bar. It is part of the rotation mechanism of the rock drill the drive train that indexes the steel between blows. Wear here shows as slow or intermittent rotation.
It appears on the CP 32A B B-O Rock Drill and CP 0032 Rock Drill, and on 1 other machine breakdown. Check it against the reference number on the diagram first; serial breaks change what fits.
The parts breakdown index indexes every breakdown we publish, and the Chicago Pneumatic tool range has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R086622
- Also listed as: 3310104102
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R086622
- Listed on breakdowns for: CP 32A B B-O Rock Drill, CP 0032 Rock Drill, CP 32A Model L Rock Dril

