Target Audience:
Owners of Fiat Trattori 680/680DT tractors seeking to perform their own maintenance and repairs, saving on labor costs.
Value Proposition:
Empowers users to conduct repairs independently, providing easy-to-follow, step-by-step instructions with diagrams and wiring schematics.
Visual Aids:
Includes pictures and wiring diagrams to facilitate understanding and execution of repairs.
Repair Scope:
Covers all services and repairs, from routine maintenance to complex component overhauls.
Manual Advantage:
Offers a cost-effective alternative to dealership servicing, enabling users to maintain and repair their tractor efficiently.
Engine Maintenance:
Routine maintenance, tune-up procedures, engine overhaul, fuel system, cooling system, lubrication system, starting and charging systems
Powertrain Maintenance:
Clutch, transmission (gearbox), final drives, differentials, PTO (Power Take-Off) systems
Chassis Maintenance:
Front axle, rear axle, steering system, braking system, hydraulic system (including lift and external services)
Electrical Systems:
Wiring diagrams, lighting, instrumentation, starter motor, alternator, battery system
Bodywork And Cab:
Panel repair, door mechanisms, seat adjustments, cab mounting, fenders, hood
Cooling System Details:
Radiator, thermostat, water pump, fan, and coolant type specifications and servicing.
Lubrication System Details:
Oil pump, oil filter, oil galleries, and oil pressure testing.
Front Axle And Steering Details:
Front axle beam, kingpins, tie rods, steering arms, and steering box overhaul.
Rear Axle And Final Drive Details:
Rear axle housing, differential, final reduction gears, and axle shafts.
Diagnostic Procedures:
Troubleshooting guides for common issues, diagnostic charts, fault finding procedures
Repair Procedures:
Step-by-step instructions for disassembly, inspection, repair, and reassembly of all major components and systems
Maintenance Schedules:
Detailed routine maintenance schedules for various operating hours and conditions
Engine Rebuild Procedures:
Detailed steps for cylinder head removal/installation, piston and ring replacement, crankshaft and bearing service.
Transmission Overhaul Procedures:
Disassembly and assembly of the main gearbox, including gear sets, synchronizers (if applicable), and shifting mechanisms.
Hydraulic System Troubleshooting:
Diagnosing issues with the hydraulic lift, power steering, and external hydraulic circuits. Includes pump pressure testing and cylinder seal replacement.
Pto Maintenance And Repair:
Procedures for servicing the PTO gearbox, clutch pack (if applicable), and drive shaft.
Depth Of Information:
Comprehensive, professional quality, in-depth coverage suitable for DIY repairs and professional technicians
Torqu Specifications:
Crucial torque values for critical fasteners (e.g., cylinder head bolts, main bearing caps, wheel nuts) for proper assembly.
Clearances And Tolerances:
Specifications for bearing clearances, piston ring gaps, valve stem-to-guide clearances, and gear backlash.
Special Tool Requirements:
Identification and usage instructions for specialized tools required for certain repairs.
Engine Oil Change:
Typically every 250-500 operating hours, with specific interval detailed in the manual.
Transmission Oil Change:
Intervals for checking and changing transmission and hydraulic fluid would be specified, often around 500-1000 hours.
Air Filter Maintenance:
Schedule for air filter cleaning or replacement, critical for engine longevity.
Engine Oil Grade:
Likely SAE 15W-40 or 10W-30 diesel engine oil meeting API CD or CE specifications. Manual will confirm.
Hydraulic Fluid Type:
Likely a UTF (Universal Tractor Transmission Fluid) or equivalent. Manual will specify exact type and viscosity.
Coolant Type:
Ethylene glycol-based coolant with appropriate corrosion inhibitors for diesel engines. Manual will specify mix ratio and type.
Grease Type:
Specifications for various grease points (e.g., universal lithium grease).
Brake Fluid Type:
If hydraulic brakes are used, the manual will specify the correct brake fluid type (e.g., DOT 3/4).
Common Wear Points:
Potential wear on clutch components, brake linings, steering kingpins, and hydraulic pump seals. Manual addresses inspection and repair.
Electrical Reliability:
Older wiring harnesses can degrade; manual provides wiring diagrams for troubleshooting and repair.
Hydraulic Leaks:
Common locations for hydraulic leaks, such as cylinder seals, hose connections, and valve bodies.
