Throttle Valve Bushing carries American Pneumatic Tool part number 1280583058, previously 02923 and is stocked here under APT2923. It governs how air reaches the working end of the rock drill. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
You will find it on the diagram for the 115 Rock Drill. The tool itself is the APT 115 Pneumatic Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away, and the parts diagram library indexes every breakdown we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280583058
- Previous part number: 02923
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2923
- Listed on breakdowns for: 115 Rock Drill
