Auxiliary Spool carries Atlas Copco part number 3371814113 and is stocked here under AC-3371814113. It directs the flow that reverses the piston in the rock drill. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
You will find it on the diagram for the RDR 48M Rock Drill and MH 11 Hydraulic Paving Breaker, and on 10 other machines.
If you need the parts around it, the full diagram library has the full breakdown library, and the Atlas Copco catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3371814113
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371814113
- Listed on breakdowns for: RDR 48M Rock Drill, MH 11 Hydraulic Paving Breaker, MDR 30T Hydraulic Post Driver, LH 18 19E Hydraulic Paving Breaker, LH180 190E Hydraulic Paving Breaker, LH11 Hydraulic Pick Hammer, +6 more
