This is Atlas Copco part number 3371820053 trigger valve – complete, stocked at Crowder Supply as AC-3371820053. It governs how air reaches the working end of the breaker. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.
Crowder’s breakdowns list this part on the LH 39 40E Hydraulic Paving Breaker and LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, and on 12 other machines. Pull up the diagram and confirm the reference number for your serial before ordering.
If you need the parts around it, the full diagram library has the full breakdown library, and the Atlas Copco lineup covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371820053
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820053
- Listed on breakdowns for: LH 39 40E Hydraulic Paving Breaker, LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, LH270 270HBP 280E 280E HBP Hydraulic Paving Breaker, LPD-T & RV Hydraulic Post Driver, LPD-HD-T & RV Hydraulic HD Post Driver, BRK 95 95VR 95HBP Hydraulic Paving Breaker, +8 more
