Throttle Valve Spring carries Chicago Pneumatic part number C077054 (also carried as 3310103751) and is stocked here under CP-C077054. This is control gear it meters air to the chipping hammer. A worn control gives creep, hard starting, or a tool that will not shut off cleanly.
Crowder’s breakdowns list this part on the CP 4121 Chipping Hammer and CP 0017 SVR Chipping Hammer, and on 2 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
Use the parts diagram library to work through the rest of the assembly, or the Chicago Pneumatic lineup if you are pricing a replacement machine. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: C077054
- Also listed as: 3310103751
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-C077054
- Listed on breakdowns for: CP 4121 Chipping Hammer, CP 0017 SVR Chipping Hammer, CP 0122SVR 0125SVR Pick Hammer, CP 0122S H22 0122 SL H22 0125 S R25 Pick Hammer
