Ordering by number: this is 3310133000, the Atlas Copco tool chuck. It holds the working steel in the breaker. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
It appears on the TEX 14PS 14PS US Paving Breaker breakdown. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
Everything else on that machine is one page away on the full diagram library; complete tools are on the Atlas Copco catalog. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3310133000
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3310133000
- Listed on breakdowns for: TEX 14PS 14PS US Paving Breaker
