IH International Harvester 766 Service Repair Manual

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Taper: Tractor

Distributeur:

UGS: 92625

Mots clés: 766 Agriculture Farmall Series Featured IH International International Harvester Tractor Tractors

Variantes de produits

Description

This manual covers the 766 tractor, a robust machine produced from the mid-to-late 1970s. Known for its versatility and durable construction, the 766 was a staple in agricultural applications, powered by reliable IH Diesel or LP-Gas engines. Its design emphasizes practical engineering, featuring a manual transmission with a Torque Amplifier for enhanced gear splitting, independent rear disc brakes, and a liquid-cooled engine. This tractor represents a significant part of the legacy in agricultural equipment manufacturing, offering dependable performance for a variety of farm tasks. This comprehensive factory service repair workshop manual in English provides complete service and repair information for the 766 tractor. It details engine and drivetrain systems, including the diesel and LP-Gas engines, transmission overhaul, and power takeoff, as well as chassis and controls such as brakes, cooling, and hydraulics. The manual offers in-depth, step-by-step instructions with numerous illustrations for routine maintenance, troubleshooting common issues, and complete disassembly and reassembly of all major components. Its format allows for easy access, searching, and selective printing, making it an invaluable resource for owners, DIY enthusiasts, and professional mechanics.

🏷️ Basic Information

Identification

Make:

International Harvester

Model:

Vehicle Type:

Tractor

Generation

Generation Code:

Codes

Model Code:

👋 Introduction

Market Position

Target Audience:

Owners and operators of the IH International Harvester 766 tractor, DIY enthusiasts, professional mechanics

Competitive Analysis

Value Proposition:

Provides comprehensive factory service information at a significantly lower cost and greater convenience than traditional printed manuals, enabling cost savings on repairs and maintenance.

Key Features

Digital Convenience:

Digital PDF format for easy access, searching, and selective printing on various devices (PC, laptop, smartphone, tablet).

Completeness:

Covers all styles of the IH International Harvester 766 tractor, offering all necessary service information without additional fees or expiration.

📋 Manual Details

Coverage Areas

Scope:

Complete Service and Repair

Page Count

Estimated Pages:

Hundreds

Manual Type

Type:

Factory Service Repair Workshop Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine And Drivetrain:

Engine, Diesel Fuel System, LP-Gas System, Carburetor, Transmission Overhaul, Torque Amplifier, Differential, Final Drive, Power Takeoff (PTO), Direction Reverser

Chassis And Controls:

Brakes, Clutch, Cooling System, Hydraulic System, Power Steering System, Steering System, Front System, Belt Pulley

Specialized Systems:

Governor (Non-Diesel)

Procedures Included

Repair And Overhaul:

Complete disassembly and reassembly of all major components and systems

Maintenance:

Routine maintenance procedures, fluid changes, lubrication, filter replacements

Troubleshooting:

Diagnostic procedures and troubleshooting guides for common issues

Technical Depth

Depth:

In-depth, step-by-step instructions with hundreds of photos and illustrations, suitable for both do-it-yourselfers and experienced mechanics

📊 Manual Specifications

File Format

File Type:

Adobe PDF

Print Quality

Printability:

Fully printable, allowing users to print entire manual or specific pages

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Type:

N/A (Digital PDF)

Software Requirements

Reader Requirement:

Adobe PDF Reader

Compression Requirement:

Winzip (for download)

⚙️ Engine Specifications

Primary Engine

Engine Family:

IH D-358 (Diesel)

Engine Family Alternatives:

IH LP-Gas (for LP Gas models)

Performance

Horsepower Diesel:

Approx. 70-80 PTO HP (Specific rating may vary by configuration)

Fuel System

Diesel Fuel Type:

Diesel Fuel

Lp Gas Fuel Type:

Propane (LP-Gas)

Cooling System

Cooling Type:

Liquid Cooled

Engine Overhaul

Overhaul Procedures:

Detailed instructions for engine disassembly, inspection, component replacement, and reassembly, including piston, ring, bearing, and valve service.

🔧 Transmission

Standard

Transmission Type:

Manual with Torque Amplifier (TA)

Optional

Transmission Options:

Differential Lock, possibly other specialized transmissions depending on variant.

Features

Torque Amplifier Function:

Provides on-the-go gear splitting, effectively doubling the number of available gears for improved versatility and power delivery.

Transmission Overhaul

Overhaul Procedures:

Step-by-step guide for transmission disassembly, inspection, repair of gears, shafts, bearings, and the Torque Amplifier unit.

📐 Dimensions

Weights

Base Weight Approx:

Approximately 7,000 - 8,000 lbs (Exact weight varies by configuration)

Weight Distribution:

Details on front and rear axle weights for optimal balance during operation.

🛡️ Safety Features

Ratings

Safety Standards:

Adherence to relevant agricultural machinery safety standards of its era.

Active Features

Braking System:

Independent rear disc brakes (typical for the era), power assist likely available.

Passive Features

Operator Station:

Design considerations for operator comfort and safety, though ROPS (Roll-Over Protective Structure) and seatbelts may have been optional or added later.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Tractor of this era typically lacks advanced infotainment systems; focus is on core mechanical and operational technology).

Driver Assistance

Assistance Features:

N/A (Focus is on mechanical controls and operator feedback).

Connectivity

Connectivity Options:

Power Takeoff

Pto Type:

Standard 540/1000 RPM PTO, likely with independent engagement.

🔧 Maintenance

Service Intervals

Engine Oil Change Interval:

Typically 250-300 hours (Refer to manual for specific recommendation)

Transmission Oil Change Interval:

Typically 500-1000 hours (Refer to manual for specific recommendation)

Hydraulic Fluid Change Interval:

Typically 500-1000 hours (Refer to manual for specific recommendation)

Fluid Specifications

Engine Oil Type:

API CD or CE rated Diesel Engine Oil, SAE 15W-40 or 10W-30 (Refer to manual for exact specification)

Transmission Hydraulic Fluid Type:

IH Hy-Tran (or equivalent Universal Tractor Transmission Fluid - UTTO) meeting IH specification.

Coolant Type:

Ethylene Glycol based antifreeze with corrosion inhibitors.

Known Issues

Torque Amplifier Wear:

Wear in the Torque Amplifier clutch packs and hydraulic components can lead to slipping or inability to engage.

Hydraulic System Leaks:

Common wear points in hydraulic hoses, seals, and pump can cause leaks and reduced system performance.

Engine Component Wear:

With age and use, common engine wear includes piston rings, valve guides, and bearings.

Filter Part Numbers

Engine Oil Filter Example:

NAPA 1711, Wix 51711 (Always verify with exact tractor serial number)

Fuel Filter Example:

NAPA 3270, Wix 33270 (Always verify with exact tractor serial number)

📚 Vehicle History

Brand Heritage

Manufacturer:

International Harvester (IH), a prominent American manufacturer of agricultural and construction equipment.

Model Evolution

766 Series Placement:

Part of the International Harvester '86 series' tractor line, known for robust construction and versatility.

Production

Production Period:

Mid-to-late 1970s (Specific years: typically 1971-1976 for this series).

Manufacturing Location:

Likely manufactured at IH plants in the United States.

🏆 Awards & Recognition

Recognitions

Industry Recognition:

International Harvester tractors of this era were generally well-regarded for their durability and performance in agricultural applications.