Ordering by number: this is 130403001, the Tamco/Toku valve knock pin. This part controls the working cycle of the rock drill. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
You will find it on the diagram for the TJ 15 Rock Drill (RD 30). It comes off the Tamco/Toku TJ-15 Rock Drill. 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 parts diagram hub. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 130403001
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-130403001
- Listed on breakdowns for: TJ 15 Rock Drill (RD 30)

