Upper Valve Block, Atlas Copco part number 9245998090, listed at Crowder Supply as AC-9245998090. This part controls the working cycle of the tamper. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
You will find it on the diagram for the TEX 640 Backfill Tamper and CP 0035 Backfill Tamper. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away on the parts diagram hub; complete tools are on the Atlas Copco lineup. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 9245998090
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9245998090
- Listed on breakdowns for: TEX 640 Backfill Tamper, CP 0035 Backfill Tamper
