Ordering by number: this is 9234000686, the Atlas Copco starter Cover/Rewind housing. This part encloses or supports the working assembly on the breaker.
It appears on the Cobra MK1 Gas Paving Breaker and Cobra TT TT/AWD Gas Tie Tamper, and on 1 other machine 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: 9234000686
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9234000686
- Listed on breakdowns for: Cobra MK1 Gas Paving Breaker, Cobra TT TT/AWD Gas Tie Tamper, Cobra Pro Gas Paving Breaker

