This is the Chicago Pneumatic lower valve case lid part number F814775, which also shows up as 3310103570, Crowder SKU CP-F814775. It directs the flow that reverses the piston in the hammer. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
The published breakdown lists it on the CP0222 CHIT BS CHOT BS Pick Hammer. The complete machine is the CP 0222 Pneumatic Clay Digger.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: F814775
- Also listed as: 3310103570
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F814775
- Listed on breakdowns for: CP0222 CHIT BS CHOT BS Pick Hammer

