Inlet Valve Spring is the Tamco/Toku service part carried under part number Y10620080. It directs the flow that reverses the piston in the chipping hammer. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
It shows up in the parts breakdown for the THH 6 7 8 9 Chipping Hammer. Pull up the diagram and confirm the reference number for your serial before ordering.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Toku tool catalog covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: Y10620080
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10620080
- Listed on breakdowns for: THH 6 7 8 9 Chipping Hammer

