This is the American Pneumatic Tool throttle valve plunger part number 1280582740, listed as 01883 before the renumbering, Crowder SKU APT1883. 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 appears on the 138 Rock Drill and 155 Rock Drill breakdown. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280582740
- Previous part number: 01883
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT1883
- Listed on breakdowns for: 138 Rock Drill, 155 Rock Drill
