Trigger Spool is the Atlas Copco service part carried under part number 3371820108. 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.
It appears on the LH 22 23E 27 28E Hydraulic Paving Breaker and LH 39 40E Hydraulic Paving Breaker, and on 13 other machines breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
Use the full diagram library to work through the rest of the assembly, or the Atlas Copco lineup if you are pricing a replacement machine. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3371820108
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820108
- Listed on breakdowns for: LH 22 23E 27 28E Hydraulic Paving Breaker, LH 39 40E Hydraulic Paving Breaker, LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, LH270 270HBP 280E 280E HBP Hydraulic Paving Breaker, LPD-T & RV Hydraulic Post Driver, +9 more
