Lock Spring – Chipping Hammer Retainer is the Chicago Pneumatic service part carried under part number P139189. This part keeps the steel captive in the chipping hammer under repeated impact, so it is inspected at every steel change and replaced on condition rather than on a schedule.
It shows up in the parts breakdown for the CP 4129 Chipping Hammer. Compare it to the reference callout on the diagram to be sure it is the position you need.
Everything else on that machine is one page away on the parts breakdown index; complete tools are on the CP tool catalog. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: P139189
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-P139189
- Listed on breakdowns for: CP 4129 Chipping Hammer
