Throttle Valve carries American Pneumatic Tool part number 3528 and is stocked here under APT3528. It is part of the operator control on the breaker. 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 140 Paving Breaker – Former Construction. Compare it to the reference callout on the diagram to be sure it is the position you need.

If you need the parts around it, the parts breakdown index has the full breakdown library, and the American Pneumatic Tool range covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.

• Part number: 3528
• Manufacturer: American Pneumatic Tool
• Crowder SKU: APT3528
• Listed on breakdowns for: 140 Paving Breaker – Former Construction