Description
This package includes three detailed electrical manuals for the Wacker Neuson 28Z3 Excavator:
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ED_28Z3_B.pdf – Basic electrical diagrams (2007 edition) with fuse layout, relays, control lamps, switches, connectors, and component list.
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ED_28Z3_B_HSWS.pdf – Extended electrical diagrams (2009 HSWS edition) covering proportional control, SWS/VDS valves, relays, and advanced circuit details.
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ED_28Z3_O_Propsteuerung.pdf – Proportional control system documentation for the 28Z3, useful for diagnostics and hydraulic-electric interface troubleshooting.
These manuals provide essential wiring information, component references, and schematics to support maintenance, troubleshooting, and repair of the 28Z3 electrical system.




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