Category:
Heavy-duty agricultural tractor service manual.
Value Proposition:
Provides essential technical data for maintaining and repairing a robust line of Massey Ferguson tractors, critical for farm operations and equipment longevity.
Comprehensiveness:
Covers multiple closely related models (675, 690, 698), offering a broad resource for owners of this tractor series.
Engine:
Engine overhaul, disassembly, assembly, cooling system, lubrication system, fuel system, starting system, ignition system (if applicable), exhaust system.
Transmission:
Gearbox, clutch, hydraulics, power take-off (PTO), differential, final drives, axle servicing.
Steering:
Mechanical and hydraulic steering systems, components, troubleshooting, and repair.
Brakes:
Brake system inspection, maintenance, repair, hydraulic components, parking brake.
Electrical:
Wiring diagrams, starter motor, alternator, battery, lighting system, instrumentation, troubleshooting electrical faults.
Hydraulics:
Hydraulic pump, control valves, cylinders, hoses, filters, reservoir, linkage systems, troubleshooting hydraulic performance.
Chassis And Bodywork:
Frame, front axle, rear axle, fenders, operator station, hitches, ballast, repair and alignment procedures.
Maintenance:
Regular service intervals, fluid changes, filter replacements, lubrication points, pre-operation checks.
Troubleshooting:
Diagnostic flowcharts, common problems, symptom-based troubleshooting guides.
Repair:
Step-by-step repair instructions for all major systems and components, including disassembly, reassembly, and adjustment.
Technical Specifications:
Torque specifications for fasteners, clearances, timing settings, fluid capacities, electrical resistance values.
Depth:
Complete factory-level detail covering all aspects from routine maintenance to major overhauls and diagnostics. Suitable for professional technicians and experienced mechanics.
Engine Family:
Perkins diesel engines, typically the 4.236 or similar variants for these models. Specific engine codes will be detailed in the manual.
Horsepower Range:
Varies by model; 675 (approx. 60-70 HP), 690 (approx. 70-80 HP), 698 (approx. 75-85 HP). Consult manual for exact ratings.
Torque Peak:
Specific torque figures will be detailed in the manual, critical for engine rebuilds and adjustments.
Injection System:
Typically rotary or inline injection pumps (e.g., Simms, CAV, Lucas), detailed in the manual.
Overall Length:
Varies by model and configuration, detailed in the manual.
Overall Width:
Varies by track width and tire size, detailed in the manual.
Operating Weight:
Typically in the 5,000 - 6,500 kg range, depending on configuration. Manual will provide exact weights.
Towing Capacity:
Significant towing capacity, specified by the manufacturer for different hitch types.
Dashboard Instruments:
Basic analog gauges for engine temperature, oil pressure, fuel level, ammeter, and tachometer.
Traction Control:
No advanced electronic driver assistance systems; relied on mechanical traction and operator skill.
Telematics:
Not applicable for this era of tractor.
Engine Oil Change:
Typically every 250-500 operating hours, or annually. Exact interval will be in the manual.
Hydraulic Fluid Change:
Usually every 1000-2000 operating hours. Manual will specify frequency and type.
Engine Oil Type:
API CD or CE rated diesel engine oil, SAE 15W-30 or 20W-40 depending on climate. Consult manual for precise specification.
Hydraulic Fluid Type:
Massey Ferguson "Perkins” Universal Hydraulic Oil, or equivalent (e.g., John Deere Hy-Gard). Manual will specify.
Transmission Oil Type:
Specific transmission fluid (e.g., SAE 80W-90 GL-4 gear oil or specialized tractor hydraulic fluid, depending on transmission type). Manual is crucial here.
Common Wear Items:
Clutch wear, hydraulic pump and valve leaks, PTO clutch engagement issues, starter motor reliability, front axle kingpin wear.
Preventative Maintenance:
Regular greasing of pivot points, checking hydraulic fluid levels and filters, ensuring cooling system is clean and functional.
Manufacturer:
Massey Ferguson, a historic and globally recognized brand in agricultural machinery, known for robust and reliable tractors.
Production Period:
These models were primarily produced in the late 1970s through the 1980s, representing a significant era for the company.
Manufacturing Locations:
Various Massey Ferguson plants globally, with a significant presence in the UK and France.
