Bomag hydraulic schematic manual for BW28RH3a and BW28RH4f — Function 557 (2018). Detailed hydraulic circuit diagrams and specs.
Complete 2018 Function 557 hydraulic schematic manual for Bomag BW28RH3a and BW28RH4f models. Includes labeled circuit diagrams, component lists (pumps, valves, actuators, cylinders, filters), pressure and flow specifications, line routing, connector references and maintenance tips for troubleshooting leaks, loss of power or erratic actuator movement. Useful for technicians, service engineers and parts sourcing to identify seals, hoses and valve settings. Ideal for repair planning, diagnostics and spare-parts ordering.