This is the American Pneumatic Tool plunger spring part number 1280582598 the number that superseded 01557, Crowder SKU APT1557. It loads its mating part against the seat. When free length drops, the symptom is inconsistent operation the tool works, but not crisply.
It shows up in the parts breakdown for the 138 Rock Drill and 155 Rock Drill.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280582598
- Previous part number: 01557
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT1557
- Listed on breakdowns for: 138 Rock Drill, 155 Rock Drill
