International Harvester 766 Tractor WSM Service Manual

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🏷️ Basic Information Identification Make: International Harvester Model: 766 Tractor Product Type: Service Manual (WSM) 👋 Introduction Market Position Target Audience: Tractor owners, mechanics, and maintenance personnel seeking to perform...

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Typ: Tractor

Anbieter:

Art.-Nr: 27596

Stichworte: 766 Agriculture Farmall Series International Harvester Tractor Tractors

Produktvarianten

Beschreibung

🏷️ Basic Information

Identification

Make:

International Harvester

Model:

766 Tractor

Product Type:

Service Manual (WSM)

👋 Introduction

Market Position

Target Audience:

Tractor owners, mechanics, and maintenance personnel seeking to perform repairs and maintenance.

Segment:

Utility Tractor

Competitive Analysis

Value Proposition:

Enables users to save significant costs by performing their own repairs, empowering them with knowledge and skills.

Key Features

Manual Benefit 1:

Reduces reliance on expensive mechanic services for routine and complex repairs.

Manual Benefit 2:

Increases user knowledge and familiarity with the tractor's systems.

Manual Benefit 3:

Provides a convenient and accessible resource for garage or workshop use.

📋 Manual Details

Coverage Areas

Language:

English

File Format:

Delivery Method:

Instant Download

Printability:

Full Printable

Software Requirements:

Adobe PDF Reader

Operating System Compatibility:

All Versions of Windows & Mac

Manual Type

Manual Type:

Service Manual / Repair Manual / Workshop Manual

📖 Manual Coverage

Systems Covered

Engine Overhaul:

Complete engine disassembly, inspection, repair, and reassembly procedures for all major engine components.

Fuel System:

Detailed diagnostics and repair for the fuel injection system, pumps, filters, and lines.

Cooling System:

Service procedures for the radiator, thermostat, water pump, hoses, and fan assembly.

Lubrication System:

Information on oil pump, oil filter, oil galleries, and lubrication system troubleshooting.

Electrical System:

Comprehensive wiring diagrams, troubleshooting guides for starting, charging, lighting, and accessory circuits.

Transmission Manual:

Repair and overhaul procedures for the manual transmission, including clutch, gear selection, and power take-off (PTO).

Transmission Power Steering:

Service information for hydrostatic power steering systems and associated components.

Hydraulic System:

In-depth coverage of the tractor's hydraulic system, including pump, reservoir, control valves, and actuators (e.g., hitch).

Power Take Off Pto:

Service and repair for the PTO engagement, drive shafts, and clutch.

Brake System:

Maintenance and repair of the tractor's braking system, including internal expanding shoe brakes and associated linkage.

Steering System:

Detailed instructions for steering linkage, components, and troubleshooting.

Front Axle:

Service and repair for the front axle assembly, including kingpins and steering knuckles.

Rear Axle Differential:

Procedures for the rear axle, differential, and final drives.

Chassis Frame:

Information on the tractor's frame and structural integrity.

Body Sheet Metal:

Repair and replacement guidance for fenders, hood, and other body panels.

Operator Station:

Details on the operator's seat, controls, dashboard, and safety features.

Engine Component Identification:

Identification of all engine parts, including pistons, rings, bearings, camshaft, crankshaft, and cylinder heads.

Procedures Included

Routine Maintenance:

Comprehensive guidance on all routine maintenance tasks, including fluid changes, filter replacements, and lubrication.

Troubleshooting:

Step-by-step diagnostic procedures for identifying and resolving common and uncommon issues.

Major Repairs:

Detailed instructions for major component overhauls and repairs, suitable for experienced mechanics.

Component Rebuilds:

Complete rebuild procedures for engines, transmissions, hydraulic pumps, and other key assemblies.

Wiring Diagrams:

High-quality, detailed electrical wiring diagrams for all tractor systems.

Torque Specifications:

Specific torque values for all critical fasteners and bolts.

Special Tools:

Identification and usage instructions for any specialized tools required for repairs.

Troubleshooting Charts:

Diagnostic charts correlating symptoms with potential causes and remedies.

Injector Timing:

Procedures for setting and adjusting fuel injector timing.

Governors:

Service and adjustment of engine speed governors.

Charging System Testing:

Testing and repair of the alternator and voltage regulator.

Starting System Testing:

Testing and repair of the starter motor and solenoid.

Hitch Adjustment:

Procedures for adjusting and servicing the tractor's three-point hitch system.

Brake Adjustment:

Detailed instructions for adjusting and maintaining the tractor's braking system.

Wheel Alignment:

Information on checking and adjusting front wheel alignment for optimal steering and tire wear.

Front End Loader Mounting:

While not a primary focus, the manual may contain information relevant to the tractor's chassis and hydraulic system compatibility with loaders.

Troubleshooting Charts Engine:

Specific charts for diagnosing engine performance issues like no-start, rough running, or power loss.

Troubleshooting Charts Hydraulic:

Charts for diagnosing hydraulic system malfunctions, such as slow operation or leaks.

Troubleshooting Charts Electrical:

Charts to aid in diagnosing electrical faults, from lighting to starter issues.

Technical Depth

Depth Of Coverage:

In-depth, professional quality, covering all aspects of repair and maintenance.

Instruction Style:

Easy-to-follow step-by-step instructions with illustrative pictures.

📊 Manual Specifications

File Format

Primary Format:

Searchability:

Likely searchable text within the PDF, enabling quick information retrieval.

Document Quality:

Professional quality, ensuring clarity and legibility of all content.

Print Quality

Page Quality:

Printable pages ensuring clear reproduction of text and diagrams.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Direct Injection Diesel

Engine Family:

International Harvester D-Series (e.g., D-239, DT-239, DT-268 depending on specific 766 variant)

Displacement:

Approx. 239 cu in (3.9 L) or 268 cu in (4.4 L) for turbocharged variants. Exact displacement dependent on specific engine option.

Engine Cycles:

4-Stroke Diesel

Performance

Horsepower Range:

Approximately 68-80 PTO HP (dependent on engine variant and configuration).

Fuel System

Fuel Injection Type:

Direct Injection, typically with rotary or inline fuel injection pumps.

🔧 Transmission

Standard

Transmission Type Std:

16-speed Synchromesh Manual Transmission (Gear Drive)

Optional

Transmission Type Opt:

Optional: Power Steering (Hydrostatic) and certain variations might have PTO options.

Features

Pto Options:

Standard 540 RPM PTO, often with an optional 1000 RPM PTO available.

📐 Dimensions

Exterior

Wheelbase:

Approximately 86.6 inches (2200 mm)

Length:

Approximately 140 inches (3556 mm) without rear implement.

Width:

Approximately 70-80 inches (1778-2032 mm) depending on rear tire size and tread setting.

Height:

Approximately 95-100 inches (2413-2540 mm) to top of exhaust stack.

Weights

Operating Weight:

Approximately 6,500 - 7,500 lbs (2950 - 3400 kg) depending on configuration.

🔧 Maintenance

Service Intervals

Engine Oil Change Interval:

Typically every 100-250 operating hours, refer to manual for exact specification.

Hydraulic Fluid Change Interval:

Typically every 500-1000 operating hours, refer to manual for exact specification.

Fluid Specifications

Engine Oil Type:

API Service Classification CD or CE (e.g., SAE 15W-40 Diesel Engine Oil) - check manual for precise grade and specifications.

Hydraulic Fluid Type:

IH Hytran (or equivalent UTF - Universal Tractor Transmission Fluid) meeting IH B-6 specification.

Transmission Fluid Type:

IH Hytran or equivalent UTF, shared with hydraulic system in many configurations.

Coolant Type:

Ethylene Glycol based antifreeze, mixed with water. Refer to manual for specific freeze protection percentage and additive requirements.

Gear Oil Type:

Refer to manual for specifications for differential and final drive gear oil, likely SAE 90 or similar.

Known Issues

Common Issue 1:

Wear in the hydraulic system, particularly the pump or control valves, leading to loss of lifting capacity or steering assist.

Common Issue 2:

Potential for clutch wear and adjustment issues over time.

Common Issue 3:

Electrical system issues such as worn wiring or starter/alternator problems are common in older equipment.

Common Issue 4:

Engine component wear, especially in high-mileage or poorly maintained units, can lead to decreased power or oil consumption.

📚 Vehicle History

Brand Heritage

Manufacturer History:

International Harvester (IH) was a prominent American manufacturer of agricultural and construction machinery, known for its robust and reliable tractors.

Model Evolution

766 Series Placement:

The 766 was part of IH's popular 06 and 66 series, known for their performance and versatility in the mid-range tractor segment.

Production

Production Period:

Produced primarily in the late 1960s and early 1970s (approx. 1969-1971).