This is the Tamco/Toku throttle valve bushing part number Y10103020, Crowder SKU TK-Y10103020. This is control gear it meters air to the rock drill. A worn control gives creep, hard starting, or a tool that will not shut off cleanly.
It shows up in the parts breakdown for the THD 1100N Rock Drill and THD 1100U Rock Drill (CP9A). Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: Y10103020
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10103020
- Listed on breakdowns for: THD 1100N Rock Drill, THD 1100U Rock Drill (CP9A)
