Crank Case Valve – Complete, Atlas Copco part number 9234001549, also listed as 9234000622, listed at Crowder Supply as AC-9234001549. It directs the flow that reverses the piston in the tamper. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
It shows up in the parts breakdown for the Cobra TT TT/AWD Gas Tie Tamper and Cobra TTe TTeAWD Gas Tie Tamper. Check it against the reference number on the diagram first; serial breaks change what fits.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 9234001549
- Also listed as: 9234000622
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9234001549
- Listed on breakdowns for: Cobra TT TT/AWD Gas Tie Tamper, Cobra TTe TTeAWD Gas Tie Tamper
