This is Chicago Pneumatic part number D5090858, cross-referenced to 3310104872 lower valve lid, stocked at Crowder Supply as CP-D5090858. It directs the flow that reverses the piston in the chipping hammer. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
You will find it on the diagram for the CP 0012 Chipping Hammer. The complete machine is the CP 0012 Pneumatic Chipping Hammer. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: D5090858
- Also listed as: 3310104872
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-D5090858
- Listed on breakdowns for: CP 0012 Chipping Hammer
