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Case 685 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Case Model: 685 Model Variant: Standard and row-crop configurations Production Years Covered: 1975-1985 👋 Introduction Market Position Target Audience: Technicians, farmers, and DIY owners Vehicle...
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Type: Tractor
Vendor:
Sku: 581830
Case 685 Workshop Service Repair Manual
🏷️ Basic Information
Identification
Make:
Case
Model:
685
Model Variant:
Standard and row-crop configurations
Production Years Covered:
1975-1985
👋 Introduction
Market Position
Target Audience:
Technicians, farmers, and DIY owners
Vehicle Class:
Utility tractor (85-90 HP class)
Competitive Analysis
Advantage:
Durable construction, proven Case engine, and easy serviceability
Key Features
Engine:
Case 4-390 diesel (4-cylinder, 4.0L)
Transmission:
8-speed dual-range with creeper option
Hydraulics:
Draft/position control with 3-point hitch
Safety:
Roll-over protective structure (ROPS) available
📋 Manual Details
Specifications
Coverage Areas:
Full overhaul and maintenance procedures
Page Count:
900+ pages
Manual Type:
Workshop service manual
Language:
English
Format:
PDF (digital download)
Delivery Method:
Instant download
📖 Manual Coverage
Systems Covered
Engine:
Mechanical (disassembly, inspection, overhaul)
Fuel System:
Injection pump, injectors, lines
Cooling System:
Radiator, water pump, thermostat
Electrical System:
Wiring diagrams, charging/starting
Transmission:
Clutch, gearbox, differential
Rear Axle:
Final drives, PTO
Front Axle:
Manual/optional power steering
Brakes:
Mechanical/hydraulic, adjustment
Hydraulic System:
Pump, lift cylinder, control valves
3-Point Hitch:
Linkage and draft control
Steering:
Manual/power assist
Wheels and Tires:
Removal, mounting, pressure
Cab and Frame:
Body panels, fasteners (if applicable)
Procedures Included
Maintenance:
Scheduled services
Overhaul:
Detailed step-by-step with torque values
Diagnosis:
System trouble codes (if any)
Technical Depth
Tightening Torques:
Specified for major fasteners
Clearances:
Required for bearings and gears
Illustrations:
Exploded views and diagrams
Parts Information
Part Numbers:
OEM reference numbers listed
Hydraulic Ports:
Diagnostic test points
📊 Manual Specifications
File and Compatibility
File Format:
PDF
Compatibility:
All devices with PDF reader
Requirements:
Adobe Acrobat Reader or similar
Searchability:
Fully text-searchable (OCR applied)
Physical (if printed)
Print Quality:
High-resolution scan
Binding Type:
Digital (no physical binding)
Paper Type:
N/A - digital only
⚙️ Engine Specifications
Engine Options
Standard Engine:
Case 4-390 (4-cylinder, 4.0L)
Engine Type:
Diesel, naturally aspirated
Power:
Approximately 85 PTO HP (approx.)
Fuel System:
Direct injection with inline pump
Displacement:
244 cu in (4.0L)
Bore and Stroke:
4.00 x 4.88 in (101.6 x 123.8 mm)
Compression Ratio:
16.5:1
Rated RPM:
2200 rpm
🔧 Transmission
Transmission Options
Standard Transmission:
8-speed dual-range (4 gears x 2 ranges)
Optional Transmission:
Creeper (8-speed with creeper = 12 speeds)
Clutch:
Dry single-plate
Differential:
Mechanical lock-up (optional)
PTO:
Independent, 540 or 1000 rpm
Features:
Smooth gear changes, synchromesh on upper gears
📐 Dimensions
Exterior
Wheelbase:
90.5 in (2299 mm)
Length:
151.5 in (3848 mm) including 3-point
Weights
Curb Weight:
8,300 lb (3765 kg) approximate
🛡️ Safety Features
Ratings and Features
Crash Test Rating:
N/A - not applicable for agricultural tractor
Active Features:
Dual braking, differential lock
Passive Features:
Roll-over protective structure (ROPS) optional
💡 Technology Features
Infotainment and Assistance
Audio System:
N/A - not fitted
Driver Assistance:
Mechanical draft control (not electronic)
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 100 hours
Hydraulic Fluid:
Every 500 hours
Transmission Fluid:
Every 1000 hours
Coolant Change:
Every 2 years or 2000 hours
Fuel Filter:
Every 500 hours
Air Filter:
Clean every 50 hours, replace annually
Fluid Specifications
Engine Oil:
SAE 15W-40 (API CC/CD)
Hydraulic Oil:
Case Hy-Tran Ultra or equivalent
Transmission Oil:
Same as hydraulic oil (shared reservoir)
Coolant:
50/50 ethylene glycol
Grease:
Multipurpose lithium-based
Known Issues
Common Wear Item:
Water pump seals may leak
Common Wear Item:
Injection pump seals
Common Issue:
Electrical connections corrode
📚 Vehicle History
Manufacturer Background
Manufacturer:
J.I. Case Company
Brand Heritage:
Founded 1842, established in agricultural machinery
Model Evolution:
Part of the 685/885 series (also 685B, 685XL)
Production Location:
Racine, Wisconsin, USA
🏆 Awards & Recognition
Recognition
Industry Awards:
N/A - not documented for this model
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