Target User:
        
        
            Owners seeking to perform their own maintenance and repairs, and independent repair shops.
        
     
    
    
        
            Value Proposition:
        
        
            Provides dealership-level repair and maintenance information, enabling significant cost savings on repairs.
        
     
    
    
        
            Authenticity:
        
        
            Manufacturer-written, vehicle-specific information, not generic.
        
     
    
        
            Clarity:
        
        
            Clear, concise text with diagrams and illustrations for ease of understanding.
        
     
    
        
            Completeness:
        
        
            Covers all major topics, step-by-step instructions, wiring schematics, and specifications.
        
     
 
    
    
    
        
            Document Type:
        
        
            Service Repair Workshop Manual
        
     
    
        
            Intended Audience:
        
        
            Mechanics, Independent Service Professionals, Owners
        
     
    
    
        
            Estimated Pages:
        
        
            Likely extensive, typical for comprehensive tractor service manuals. Exact count not provided but implies full coverage.
        
     
    
    
        
            Type:
        
        
            Service and Repair Manual
        
     
    
    
    
    
    
        
            Device Compatibility:
        
        
            PC, Mac, many phones, and ebook readers (e.g., Amazon Kindle).
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, diagnostics, fuel system, lubrication, cooling system, starting and charging system
        
     
    
        
            Transmission:
        
        
            Service, repair, and troubleshooting of the gearbox, differential, and final drives
        
     
    
        
            Hydraulics:
        
        
            Operation, maintenance, and repair of the hydraulic system (lift, steering, etc.)
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, component testing, troubleshooting of the electrical system
        
     
    
        
            Chassis:
        
        
            Front axle, rear axle, steering system, braking system
        
     
    
        
            Operator Station:
        
        
            Controls, seat, operator comfort features
        
     
    
        
            Power Take Off:
        
        
            PTO system maintenance and repair
        
     
    
        
            Steering System:
        
        
            Service and repair of the power steering system, steering linkages, and components.
        
     
    
        
            Braking System:
        
        
            Maintenance, adjustment, and overhaul of the hydraulic braking system.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, and fan system inspection and service.
        
     
    
        
            Lubrication System:
        
        
            Oil pump, oil filter, and lubrication passages service.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, fluid changes, filter replacements, lubrication points
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common issues, symptom-based troubleshooting guides
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major components and systems
        
     
    
        
            Rebuilds:
        
        
            Comprehensive instructions for engine, transmission, and hydraulic unit rebuilds
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic flowcharts and tests
        
     
    
        
            Component Replacement:
        
        
            Detailed instructions for replacing major components such as starter motors, alternators, fuel pumps, hydraulic pumps, and steering components.
        
     
    
    
        
            Depth:
        
        
            Detailed, specific, and manufacturer-level information for repair and maintenance.
        
     
    
        
            Level Of Detail:
        
        
            Includes diagrams, illustrations, and specifications for accurate execution of tasks.
        
     
    
        
            Diagnostic Tools Required:
        
        
            Manual implies standard automotive/tractor diagnostic tools and specialized tools as needed.
        
     
 
    
    
    
        
            PDF Quality:
        
        
            Implied to be high-quality, containing clear text and images as described.
        
     
    
        
            Searchability:
        
        
            Likely searchable text within the PDF for quick information retrieval.
        
     
    
        
            Viewing Requirements:
        
        
            Adobe PDF Reader
        
     
    
    
        
            Printable:
        
        
            Yes, individual pages can be printed.
        
     
    
    
        
            Binding:
        
        
            Digital (PDF download) - No physical binding.
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital format)
        
     
 
    
    
    
        
            Engine Type:
        
        
            Diesel (details specific to 680/680DT engines not fully elaborated in the description, but expected to be Fiat's robust diesel offerings of the era).
        
     
    
    
        
            Horsepower:
        
        
            Specific figures not provided, but manual covers performance tuning and diagnostics.
        
     
    
        
            Torque:
        
        
            Specific figures not provided, but manual covers performance tuning and diagnostics.
        
     
    
    
    
        
            Injection System:
        
        
            Likely mechanical injection, detailed coverage in manual.
        
     
    
    
        
            Cylinder Configuration:
        
        
            Expected to be inline diesel configuration, common for Fiat tractors of this size.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Detailed intervals provided in the manual for optimal engine life.
        
     
    
        
            Transmission Fluid Change:
        
        
            Specific intervals for checking and changing transmission and hydraulic fluids included.
        
     
    
    
        
            Engine Oil:
        
        
            Required API classification and viscosity grades will be detailed (e.g., SAE 15W-40, API CD/CE).
        
     
    
        
            Hydraulic Fluid:
        
        
            Specific hydraulic fluid type (e.g., ISO VG 46 or Universal Tractor Transmission Oil - UTTO) and capacity will be specified.
        
     
    
        
            Coolant:
        
        
            Type and mixture ratio for the cooling system detailed.
        
     
    
    
        
            Common Wear Items:
        
        
            Manual will guide on maintenance of common wear items like clutch, brake pads, and filters.
        
     
    
        
            Diesel System Maintenance:
        
        
            Specific guidance on maintaining the diesel injection pump and injectors.
        
     
 
    
    
    
        
            Manufacturer History:
        
        
            Fiat Trattori has a long and significant history in agricultural machinery, known for robust and reliable tractors.
        
     
    
    
        
            Tractor Series:
        
        
            The 680/680DT likely belongs to a successful series of Fiat tractors from the late 20th century, known for their versatility and power.
        
     
    
    
        
            Manufacturing Era:
        
        
            Likely produced in the 1970s or 1980s, a period of significant development in tractor technology.