Shut Off Spring is the Chicago Pneumatic service part carried under part number P144144 (also carried as 3310190225). Springs in a chipping hammer fatigue with cycle count rather than age, so a control that has gone lazy or fails to return is usually this part rather than the component it drives.
It is called out in the parts diagram for the CP 4121 Chipping Hammer. Pull up the diagram and confirm the reference number for your serial before ordering.
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: P144144
- Also listed as: 3310190225
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-P144144
- Listed on breakdowns for: CP 4121 Chipping Hammer
