Target User:
Fiat 680/680DT tractor owners, operators, and service technicians
Value Proposition:
Enables DIY servicing and maintenance, saving significant labor costs compared to professional shops.
Manual Authenticity:
Official Full Factory Service Repair Manual (not third-party)
Search Functionality:
Searchable PDF for quick information retrieval
Instructional Guidance:
Step-by-step instructions, notes, cautions, and warnings
Visual Aid Quality:
Detailed illustrations, drawings, photos, and enlarged insets for clarity
Usability:
Easy to use, no advanced computer skills required for printing and viewing
Engine:
Complete engine overhaul, diagnostics, and repair
Lubrication System:
Lubrication system maintenance, component testing, and repair
Cooling System:
Cooling system maintenance, radiator, water pump, and thermostat service
Fuel System:
Fuel injection system, fuel pump, injectors, and filters service
Disassembly Servicing:
Component disassembly, cleaning, inspection, and reassembly
General Information:
General operating principles, specifications, and safety precautions
Separation:
Tractor separation and reassembly procedures
Clutch:
Clutch system inspection, adjustment, and replacement
Transmission:
Transmission overhaul, gear selection, and repair
Drive Chain Sprockets:
Drive chain and sprocket maintenance and replacement
Rear Axle:
Rear axle assembly, differential, and final drive service
Brakes:
Brake system diagnostics, repair, and fluid service
Front Axle:
Front axle assembly, steering components, and bearing service
Steering:
Steering system overhaul, linkage adjustment, and hydraulic steering service
Shocks:
Suspension and shock absorber service
Body Work:
Body panel repair, fender maintenance, and cab servicing
Intake Exhaust:
Intake and exhaust system inspection and repair
Hydraulic System:
Hydraulic system operation, pump, cylinder, and valve service
Electrical System:
Complete electrical system troubleshooting, wiring diagrams, starter, alternator, and battery service
Routine Maintenance:
Scheduled maintenance, lubrication, filter changes, and fluid checks
Advanced Troubleshooting:
In-depth diagnostic procedures and common problem resolution
Wiring Diagrams:
Detailed electrical wiring schematics
Diagnostic Procedures:
Step-by-step diagnostic guides for all major systems
Repair Procedures:
Detailed repair instructions for all components and systems
Maintenance Procedures:
Routine and preventative maintenance tasks
Rebuild Procedures:
Complete engine, transmission, and hydraulic system rebuilds
Depth:
Comprehensive: From basic maintenance to complete overhaul and advanced troubleshooting
Detail Level:
Factory-trained technician level of detail
Illustrations Diagrams:
Includes all necessary illustrations, drawings, and photos
Engine Oil Change:
Typically every 250-500 operating hours, or annually. Specific interval provided in manual.
Air Filter Service:
Regular inspection and cleaning/replacement based on operating conditions, detailed in manual.
Fuel Filter Replacement:
Scheduled replacement, typically every 500-1000 operating hours.
Engine Oil Type:
Diesel engine oil, likely API CD or CE rated, viscosity SAE 15W-40 or 10W-30. Specific recommendation in manual.
Hydraulic Fluid Type:
Tractor Hydraulic Fluid (THF) or Universal Tractor Transmission Oil (UTTO). Specific Fiat specification required.
Transmission Fluid Type:
Gear oil, likely SAE 80W-90 or 90. Manual will specify exact type and viscosity.
Common Wear Points:
Clutch wear, hydraulic pump efficiency, starter motor reliability, and potential for injector issues under heavy use.
Typical Repairs:
Routine maintenance, clutch replacement, hydraulic system seals, and electrical component servicing.
