This factory service repair manual covers the Massey Ferguson 3670, 3680, and 3690 series tractors, encompassing all styles of these robust agricultural machines. Massey Ferguson has a long-standing legacy in the agricultural industry, renowned for producing durable and reliable tractors. The 3600 series represents a generation of tractors built upon this heritage, focusing on enhanced performance and features designed for demanding tasks. These tractors are engineered for reliability and efficiency, making them a valuable asset for agricultural operations. This comprehensive manual provides detailed information for owners, operators, and service technicians. It covers a wide range of systems including the engine, cooling system, fuel system, powertrain, front axle, clutch, differential lock, electrical system, brakes, fenders, fuel tank, platform, final drive, front system, front-wheel drive, hydraulic system, main drive bevel gears and differential, park brake, power steering, power take-off, rear axle, steering gear, and transmission. With step-by-step instructions, detailed illustrations, diagrams, photos, and troubleshooting guides, this manual emulates the knowledge of factory-trained technicians, enabling effective maintenance, repair, and diagnostics. 🏷️ Basic Information Identification Make: Massey Ferguson Model: 3670, 3680, 3690 Product Type: Factory Service Repair Manual Generation Applicable Generations: Covers all styles of the 3670, 3680, and 3690 series tractors 👋 Introduction Market Position Target Audience: Owners, operators, and service technicians of Massey Ferguson 3670, 3680, and 3690 tractors seeking to perform maintenance, repairs, and diagnostics. Competitive Analysis Manual Authenticity: Actual genuine factory repair manuals, not third-party publications, ensuring accuracy and completeness. Key Features Instructional Method: Step-by-step instructions, detailed illustrations, diagrams, photos, and troubleshooting guides emulate factory-trained technician knowledge. Usability: Easy to use, with numbered instructions, bold figure numbers, and a clear table of contents for quick information retrieval. Search function within the PDF for efficient access. Value Proposition Cost Savings: Enables owners to perform servicing themselves, potentially saving $50-$60 per hour in shop labor costs. 📋 Manual Details Coverage Areas General Information: Comprehensive overview of the tractor's purpose and design principles Specifications: Detailed technical data and measurements for all systems Engine: Complete engine service, repair, and overhaul procedures Cooling System: Maintenance, diagnosis, and repair of the cooling system Fuel System: Service and repair of the fuel injection and delivery systems Power Train: Detailed coverage of all power transmission components Front Axle: Service and repair of the front axle assembly, including steering components Clutch: Maintenance, adjustment, and replacement of the clutch assembly Differential Lock: Operation, maintenance, and repair of the differential lock system Electrical System: Wiring diagrams, troubleshooting, and repair of all electrical components Brakes: Service, repair, and adjustment of the braking system Fenders Fuel Tank Platform: Maintenance and repair of body panels, fuel tank, and operator platform Final Drive: Service and overhaul of the final drive assemblies Front System: Coverage of front-mounted systems and components Front Wheel Drive: Service and repair of the FWD system Hydraulic System: Diagnosis, repair, and maintenance of the hydraulic lift and auxiliary systems Main Drive Bevel Gears And Differential: Detailed coverage of the main drive bevel gears and differential housing Park Brake: Service and adjustment of the parking brake mechanism Power Steering System: Maintenance, troubleshooting, and repair of the power steering system Power Take Off: Service and repair of the PTO system, including engagement and speeds Rear Axle: Service and overhaul of the rear axle and associated components Steering Gear: Repair and adjustment of the steering gear mechanism Transmission: Complete service and repair of the transmission, including gearboxes and shifters Page Count Estimated Page Count: Hundreds of pages (exact count not specified, but comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, diagnostics, performance tuning, and component replacement (e.g., pistons, rings, bearings, cylinder heads). Fuel And Ignition Systems: Fuel injection system calibration, pump and injector service, fuel filter replacement, troubleshooting fuel delivery issues. Cooling And Lubrication Systems: Radiator, water pump, thermostat service, oil pump, lubrication passages, fluid capacities and specifications. Drivetrain And Transmission: Detailed procedures for transmission overhaul, clutch replacement, differential service, axle repair, and final drive maintenance. Hydraulic Systems: Hydraulic pump testing, cylinder repair, valve body service, diagnostic procedures for hydraulic lift and auxiliary systems. Electrical And Electronic Systems: Comprehensive wiring diagrams, troubleshooting guides for starter, alternator, lighting, and control systems. Braking And Steering Systems: Brake caliper and master cylinder service, bleeding procedures, power steering pump and cylinder repair, steering linkage adjustments. Operator Station And Body: Fender, fuel tank, platform, cab component service, body panel repair, and fastener torque specifications. Cooling And Heating Systems: Service for the radiator, coolant hoses, thermostat, water pump, and any associated heater circuits for the cabin. Exhaust System: Maintenance and inspection of the exhaust manifold, muffler, and exhaust piping. Wheel And Tire Service: Information on wheel bearing maintenance, tire pressure specifications, and potentially front-wheel drive hub service. Procedures Included Routine Maintenance: Oil changes,...