Cylinder Bushing carries Chicago Pneumatic part number R137743, which also shows up as 3310104236 and is stocked here under CP-R137743. The cylinder is the bore the piston runs in, and it sets the working clearance of the rock drill once the bore opens up, air bypasses the piston and blow energy drops.
Crowder’s breakdowns list this part on the CP 0069 Rock Drill. The complete machine is the CP 0069 Pneumatic Rock Drill.
Everything else on that machine is one page away, and the full diagram library indexes every breakdown we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: R137743
- Also listed as: 3310104236
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R137743
- Listed on breakdowns for: CP 0069 Rock Drill

