Throttle Valve Handle, American Pneumatic Tool part number 1280583483, previously 02352, listed at Crowder Supply as APT2352. It is part of the operator control on the rock drill. Because it is handled every cycle of every shift, wear here is felt as a vague or sticky trigger long before the machine stops.
Crowder’s breakdowns list this part on the 137 Rock Drill. That machine is the APT 137 Pneumatic Rock Drill if you are pricing a replacement rather than a repair.
Need the parts around it? They are on the same breakdown, and the full diagram library covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583483
- Previous part number: 02352
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2352
- Listed on breakdowns for: 137 Rock Drill

