Valve is the Chicago Pneumatic service part carried under part number R157130. 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.
It shows up in the parts breakdown for the CP 0122S H22 0122 SL H22 0125 S R25 Pick Hammer and FL 0025 VR SVR Pick Hammer, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the CP tool catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: R157130
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R157130
- Listed on breakdowns for: CP 0122S H22 0122 SL H22 0125 S R25 Pick Hammer, FL 0025 VR SVR Pick Hammer, CP 0122SVR 0125SVR Pick Hammer

