Spool is the Atlas Copco service part carried under part number 3371821114. It directs the flow that reverses the piston in the breaker. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
The published breakdown lists it on the MH70 70A HBP Hydraulic Paving Breaker and LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, and on 4 other machines. 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. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371821114
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371821114
- Listed on breakdowns for: MH70 70A HBP Hydraulic Paving Breaker, LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, LH270 270HBP 280E 280E HBP Hydraulic Paving Breaker, BRK 70 70VR 70HBP 70 VR HBP Hydraulic Paving Breaker, BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker, MH55 55A HBP Hydraulic Paving Breaker
