Throttle Valve Ass’y, Chicago Pneumatic part number Z8249416, which also shows up as 3310103343, listed at Crowder Supply as CP-Z8249416. This is control gear it meters air to the chipping hammer. A worn control gives creep, hard starting, or a tool that will not shut off cleanly.
Crowder’s breakdowns list this part on the CP 4129 Chipping Hammer and CP 0111 CHLA 0111 CHIT Pick Hammer. 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 breakdown index. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: Z8249416
- Also listed as: 3310103343
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-Z8249416
- Listed on breakdowns for: CP 4129 Chipping Hammer, CP 0111 CHLA 0111 CHIT Pick Hammer
