Basic Information Identification Make: Fiat Trattori Model: 680 / 680DT Model Variant: 680 (2WD) / 680DT (4WD) Introduction Market Position Market Position: Designed for Fiat Trattori tractor owners and independent mechanics seeking detailed repair and maintenance information. Key Features Key Features: Enables DIY repairs, cost savings, in-depth vehicle understanding, quick access to information, repair anytime/anywhere. Manual Details Coverage Areas Coverage Areas: All aspects of repair, maintenance, troubleshooting, and servicing Page Count Page Count: Not Specified (PDF Download) Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF Manual Coverage Systems Covered Systems Covered: General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Engine Control System, Chassis/Body, Restraint System, Axle Engine Service Repair: Complete engine overhaul procedures, including cylinder head, piston, crankshaft, camshaft, valve train, and accessory component repairs. Transmission Service Repair: Detailed steps for transmission disassembly, inspection, and reassembly, including gear sets, synchronizers, and final drives. Brake System: Hydraulic brake system diagnostics, repair, and adjustment, including master cylinder, wheel cylinders, and brake lines. Wiring Diagram: Comprehensive electrical wiring diagrams for all circuits, enabling troubleshooting of electrical faults. Electrical System: Starter motor, alternator, battery, lighting, ignition (if applicable), and all other electrical components. Suspension: Front axle steering components, kingpins, tie rods, and any suspension articulation. Steering: Mechanical steering system, power steering (if equipped), including pump, cylinder, and linkages. Cooling System: Radiator, fan, water pump, thermostat, hoses, and system flush procedures. Fuel Injection Fuel System: Fuel tank, fuel lines, filters, injection pump, injectors, and bleeding procedures. Emission System: Components related to emission control relevant to the period of manufacture. Engine Control System: Mechanical controls for engine speed, power take-off (PTO), and other engine-related functions. Chassis Body: Frame, fenders, operator's platform, and mounting points for various components. Restraint System: Seat belts (if fitted) and operator safety considerations. Axle: Front and rear axle assemblies, including hub bearings, seals, and differential (if applicable to front axle on 680DT). Procedures Included Procedures Included: Disassembly, reassembly, repair, servicing, maintenance, refurbishment, renovation, mending, fixing, diagnostics, troubleshooting, adjustments, replacements Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and uncommon faults. Periodic Maintenance: Detailed schedules and instructions for regular checks, fluid changes, lubrication, and component inspections. Repair Specifications: Torque specifications for critical fasteners, tolerances for worn parts, and assembly guidelines. Reconditioning: Procedures for rebuilding major components like engines, transmissions, and hydraulic systems. Component Identification: Diagrams and descriptions to identify all major and minor components. Technical Depth Technical Depth: Comprehensive, from basic maintenance to in-depth repair and diagnostics Manual Specifications File Format File Format: PDF Software Requirements Software Requirements: Adobe PDF Reader, WinZip Operating Systems Operating Systems: All versions of Windows & Mac Print Quality Print Quality: High-resolution, printable pages Binding Type Binding Type: Digital Download (No Physical Binding) Paper Type Paper Type: N/A (Digital) Engine Specifications Primary Engine Primary Engine: Likely Fiat-designed diesel engines (specific model and displacement not provided in product info, but common for this era of Fiat tractors would be 4-cylinder naturally aspirated diesel). Fuel System Fuel System: Diesel Injection System (specific type like Bosch VE, etc., would be detailed in the manual) Cooling System Cooling System: Water-cooled (details on radiator, thermostat, coolant specifications in manual) Performance Horsepower Range: Estimated 60-70 HP range (specific rating would be in the manual). Torque Range: Estimated torque figures suitable for heavy agricultural work (specific figures in manual). Transmission Standard Transmission Type: Likely a robust manual transmission with multiple gears and potentially a creeper gear or shuttle shift (specific gearbox models like Fiat 451 or similar series would be covered). Features Transmission Features: Includes procedures for clutch, gearbox, differential, and final drive servicing and repair. Dimensions Exterior Exterior Dimensions: Not specified in product information. Manual would contain specific length, width, height, and wheelbase details. Weights Operating Weight: Not specified in product information. Manual would detail tare weight, front/rear axle weights, and Gross Vehicle Weight. Front Axle Weight: Not specified. Manual will provide distribution for 2WD and 4WD versions. Rear Axle Weight: Not specified. Manual will provide distribution for 2WD and 4WD versions. Safety Features Active Features Active Features: Brake system, steering system, lighting systems. Passive Features Passive Features: Operator protection (ROPS potentially, though not specified), chassis integrity. Technology Features Infotainment Infotainment System: Basic, likely no integrated infotainment system. Focus is on functional controls. Driver Assistance Driver Assistance Features: Limited to the mechanical systems of the tractor; no electronic driver assistance features. Connectivity Connectivity: N/A Maintenance Service Intervals Service Intervals: The manual will detail recommended service intervals for engine oil changes, filter replacements, lubrication points, and other maintenance tasks based on operating hours or time. Fluid Specifications Engine Oil Specification: Likely SAE 15W-40 or 10W-30 diesel engine oil (specific API service classification like CD or CE would be in the manual). Hydraulic fluid...