Valve Cap/Oil Plug – NPT 1/2″ is the Tamco/Toku service part carried under part number 410211770, also listed as 410211720. 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.
The published breakdown lists it on the RB 110D Rivet Buster and TCD 20 Clay Digger, and on 2 other machines. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 410211770
- Also listed as: 410211720
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-410211770
- Listed on breakdowns for: RB 110D Rivet Buster, TCD 20 Clay Digger, TCD 30 Clay Digger, RB 90D 91D Rivet Buster
