Compression Spring carries American Pneumatic Tool part number 1280583771, previously 02391 and is stocked here under APT2391. It supplies the return force for its assembly in the rock drill. A spring that has taken a set gives soft or sticky action long before it actually breaks.
Crowder’s breakdowns list this part on the 137 Rock Drill. That machine is the APT 137 Pneumatic Rock Drill if you are pricing a replacement rather than a repair. 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 library indexes every breakdown we publish. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583771
- Previous part number: 02391
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2391
- Listed on breakdowns for: 137 Rock Drill
