CAT 349 excavator electrical and hydraulic schematic manual — complete wiring, circuit and system diagrams for Caterpillar 349 service and repair.
Detailed PDF manual with full electrical wiring diagrams, hydraulic circuit schematics, component locations, connector and harness references, sensor and actuator details, pump/valve layouts, and troubleshooting tips for maintenance technicians. Ideal for field service, diagnostics, parts identification and repair planning. Clear schematics support safe, accurate servicing of CAT Excavator 349 systems; useful for mechanics, fleet managers and engineers.