Automatic Valve Ass’y is the American Pneumatic Tool service part carried under part number 1280583752, previously 02369. 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 137 Rock Drill. The tool itself is the APT 137 Pneumatic Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
Everything else on that machine is one page away, and the parts diagram hub indexes every breakdown we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583752
- Previous part number: 02369
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2369
- Listed on breakdowns for: 137 Rock Drill
