Ordering by number: this is 1280583590, listed as 08825 before the renumbering, the American Pneumatic Tool automatic valve. This part controls the working cycle of the rivet buster. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It is called out in the parts diagram for the 133 4-Bolt Rivet Buster and 131 Backfill Tamper, and on 1 other machine. The complete machine is the APT 131 Pneumatic Backfill Tamper. Pull up the diagram and confirm the reference number for your serial before ordering.
Need the parts around it? They are on the same breakdown, and the parts diagram library covers every machine we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280583590
- Previous part number: 08825
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT8825
- Listed on breakdowns for: 133 4-Bolt Rivet Buster, 131 Backfill Tamper, 125 Clay Digger
