Rear Valve Chest carries American Pneumatic Tool part number 1280583105, which replaced the older number 03156 and is stocked here under APT3156. It directs the flow that reverses the piston in the rivet buster. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
You will find it on the diagram for the 633 133 1133 CN Rivet Buster and 133CN T-Handle Rivet Buster, and on 6 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
The parts diagram hub indexes every breakdown we publish, and the APT lineup has the tools these parts go into. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583105
- Previous part number: 03156
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT3156
- Listed on breakdowns for: 633 133 1133 CN Rivet Buster, 133CN T-Handle Rivet Buster, 1133CN T-Handle Rivet Buster, 133 Rivet Buster, 133-T/1133-T Rivet Buster, 133-ST/1133-ST Rivet Buster, +2 more
