Valtra Valmet 6650 6800 6850 tractor Workshop Service Repair Manual

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Typ: Tractor

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Art.-Nr: 155143

Stichworte: Agriculture Tractor Tractors Valmet 6650 Valmet 6800 Valmet 6850 Valtra

Produktvarianten

Beschreibung

This workshop service repair manual covers Valtra Valmet 6650, 6800, and 6850 series tractors, agricultural machines renowned for their robust Finnish engineering and reliability in demanding applications. These tractors, likely produced in the late 1990s to early 2000s, offer a blend of power and functionality essential for modern farming. They are characterized by their durable construction, versatile transmission options including potential powershift capabilities, and efficient diesel engines. Valtra's heritage is built on providing dependable machinery, and these models exemplify that commitment, designed for longevity and effective performance in diverse agricultural tasks. This comprehensive 1361-page English-language manual provides in-depth guidance for the repair, maintenance, adjustments, and diagnostics of your Valtra Valmet tractor. It covers all major systems, including the engine, transmission, hydraulics, electrical system, braking, steering, cooling, fuel, and exhaust systems, along with the operator station and chassis. Detailed procedures for disassembly, assembly, component replacement, rebuilding, and overhaul are included, supported by technical specifications, special tool references, and safety precautions. This manual is an essential resource for mechanics, technicians, and owners aiming to maintain optimal performance and extend the service life of their equipment.

🏷️ Basic Information

Identification

Make:

Valtra

Model:

Valmet 6650 / 6800 / 6850

Product Type:

Workshop Service Repair Manual

👋 Introduction

Market Position

Sector:

Agricultural Tractors

Brand Heritage:

Valtra (formerly Valmet) is a well-established Finnish manufacturer known for robust and reliable agricultural machinery.

Key Features

Manual Purpose:

To equip users with the necessary knowledge and procedures for effective maintenance and repair of Valtra Valmet 6650/6800/6850 series tractors.

Download Benefit:

Instant digital download provides immediate access, eliminating shipping delays and costs.

📋 Manual Details

Coverage Areas

Primary Coverage:

Repair, maintenance, adjustments, diagnostics, disassembly, assembly of Valtra Valmet 6650, 6800, 6850 tractors.

Secondary Coverage:

Troubleshooting, component replacement, specifications, special tools, safety precautions.

Page Count

Total Pages:

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

Engine:

Comprehensive coverage of engine operation, diagnosis, repair, overhaul, and component specifications.

Transmission:

Detailed procedures for transmission servicing, repair, adjustments, and component replacement (e.g., gearbox, PTO).

Hydraulics:

Information on hydraulic system operation, diagnosis, repair, pump, valve, and cylinder servicing.

Electrical System:

Wiring diagrams, component testing, diagnosis, troubleshooting of electrical circuits, starter, alternator, lighting.

Powertrain:

Coverage of drivetrain components including differential, axles, and drive shafts.

Braking System:

Brake system diagnosis, repair, adjustments, and component servicing (e.g., brake discs, calipers, master cylinder).

Steering System:

Procedures for steering system maintenance, repair, and adjustment of steering components.

Cooling System:

Radiator, thermostat, fan, and coolant system servicing and troubleshooting.

Fuel System:

Fuel injection system servicing, fuel pump, filter replacement, and component calibration.

Exhaust System:

Information on exhaust manifold, muffler, and related components.

Air Intake System:

Air filter servicing, turbocharger inspection (if applicable), and intake manifold.

Operator Station:

Maintenance and repair of the cabin, controls, seat, and operator interface.

Body And Chassis:

Frame, body panels, and associated hardware maintenance and repair.

Procedures Included

Maintenance:

Comprehensive periodic maintenance, fluid changes, lubrication, filter replacements, and safety checks.

Troubleshooting:

Detailed diagnostic flowcharts and procedures for identifying and resolving common and uncommon issues.

Removal Installation:

Step-by-step instructions for removing and installing all major components and sub-assemblies.

Disassembly Assembly:

In-depth procedures for taking apart and reassembling components for repair or overhaul.

Adjustments:

Precise instructions for making critical adjustments to various systems (e.g., engine timing, clutch, brakes).

Rebuilding Overhaul:

Detailed instructions for rebuilding major assemblies like engines, transmissions, and hydraulic components.

Technical Depth

Depth:

Comprehensive, from basic user maintenance to advanced component-level repair and overhaul.

Detail Level:

Includes pictorial diagrams, exploded views, photos, special tool references, and service data.

Target Audience:

Mechanics, technicians, and DIY users seeking detailed repair information.

📊 Manual Specifications

File Format

Compatibility:

Windows, Mac, Linux OS

Reader Requirement:

Adobe Reader

Print Quality

Printability:

Yes, all pages are printable.

Binding Type

Digital Format:

PDF (Electronic Document)

Paper Type

Physical Medium:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Likely a Valtra-Sisu or similar diesel engine. Specific engine family not detailed in product info, but typically 4-cylinder turbo-diesel for this class.

Performance

Horsepower Range:

Expected range for models 6650-6850: approximately 80-110 HP. Specific figures would be detailed within the manual.

Fuel System

Fuel Type:

Diesel

Injection System:

Likely mechanical or electronic fuel injection, common for the era of these tractors.

Maintenance

Oil Capacity:

Specific engine oil capacity and type will be detailed in the manual, crucial for engine longevity.

Cooling System:

Capacity and coolant type specification are critical and found within the manual.

🔧 Transmission

Standard

Transmission Type:

Likely a synchronized mechanical gearbox with powershift or Hi-Lo options. Specific configurations (e.g., 16x16, 32x32) would be model-dependent.

Optional

Powershift Features:

Optional powershift gears for on-the-go shifting, enhancing operational efficiency.

Features

Pto Options:

Likely offered with multiple PTO speeds (e.g., 540, 1000 RPM) with procedures for servicing and engagement.

Maintenance

Transmission Fluid Type:

Specific transmission fluid (e.g., UTTO/STOU) and capacity will be detailed, vital for proper operation and longevity.

📐 Dimensions

Weights

Operating Weight:

Operating weight varies by configuration but is generally in the 4-5 ton range for this tractor class.

💡 Technology Features

Infotainment

Control System:

Basic analog and digital controls for tractor functions, engine monitoring, and PTO engagement.

Driver Assistance

Features:

Features like cruise control (if equipped), power steering, and ergonomic controls enhance operator comfort and efficiency.

🔧 Maintenance

Service Intervals

Engine Oil Filter:

Typically every 250-500 operating hours, specific to engine model and oil type. Manual will provide exact schedule.

Fuel Filter:

Recommended replacement intervals are critical for preventing fuel system issues; detailed in manual.

Hydraulic Oil Filter:

Regular replacement as per manual recommendations (often tied to hydraulic fluid change intervals) is essential.

Fluid Specifications

Engine Oil:

API CI-4 or higher grade diesel engine oil, viscosity grade dependent on ambient temperature (e.g., 15W-40). Manual will specify exact requirement.

Transmission Hydraulic Fluid:

Universal Tractor Transmission Oil (UTTO) or Super Tractor Oil Universal (STOU) with specific Valtra approvals. Crucial for transmission, hydraulics, and wet brakes.

Coolant:

Ethylene glycol-based antifreeze with appropriate corrosion inhibitors, typically a 50/50 mix with distilled water.

Known Issues

Common Wear Items:

Clutch plates, hydraulic pump seals, PTO clutch packs, and certain electronic components can be wear items requiring eventual service.

Electrical Connectors:

Corrosion or loose connections in wiring harnesses can lead to intermittent electrical faults.

Transmission Shifting:

Issues with powershift engagement or shifting smoothness can indicate wear in the transmission or hydraulic control.

Preventative Maintenance

Importance:

Strict adherence to the maintenance schedule outlined in the manual is paramount for maximizing tractor lifespan and reliability.

Tools

Special Tools:

Manual references specific Valtra special service tools for accurate adjustments and component servicing, critical for correct repair.

📚 Vehicle History

Brand Heritage

Manufacturer Origin:

Finland

Model Evolution

Series Introduction:

The Valmet 6000 series, including these models, represents a robust line of utility and agricultural tractors developed over time.

Production

Production Era:

Likely produced during the late 1990s to early 2000s, a period of significant development in agricultural machinery.

🏆 Awards & Recognition

Recognitions

Brand Reputation:

Valtra tractors are generally recognized for their durability, robustness, and suitability for demanding agricultural applications.