This is American Pneumatic Tool part number 1280582918, which replaced the older number 17644 valve, stocked at Crowder Supply as APT17644. This part controls the working cycle of the rock drill. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
The published breakdown lists it on the 109 Mini Rock Drill. The complete machine is the APT 109 Pneumatic Rock Drill. Pull up the diagram and confirm the reference number for your serial before ordering.
Everything else on that machine is one page away, and the parts breakdown index indexes every breakdown we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280582918
- Previous part number: 17644
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT17644
- Listed on breakdowns for: 109 Mini Rock Drill
