David Brown 850 950 Implematic Hydraulics Tractor Workshop Service & Repair Manual

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Taper: Tractor

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UGS: 50936

Mots clés: 850 850 Implematic 950 Agriculture David Brown Featured Tractor Tractors

Variantes de produits

Description

This manual covers David Brown 850 Implematic and 950 Implematic tractors, including their Livedrive transmission variants, produced from the late 1950s into the 1960s. These tractors, originating from the United Kingdom, are distinguished by their innovative Implematic hydraulic system, which provided advanced control for its era. The Implematic system, a key feature, managed hydraulic power and offered variable speed control, enhancing operational efficiency and implement management. This manual is designed to support owners and technicians in maintaining these robust agricultural machines. This Workshop Service & Repair Manual provides comprehensive guidance for the David Brown Implematic hydraulic system. It details the operation, fault finding, adjustments, and setting instructions for critical components such as the control valve assembly, hydraulic pump unit, ram cylinder, and automatic hold mechanism. The manual includes specific procedures for disassembly, inspection, repair, and reassembly of these hydraulic parts, along with dimensional data and a summary of design changes. Its purpose is to empower owners, mechanics, and technicians with the knowledge to effectively maintain and repair their vehicles, ensuring optimal performance and longevity of the Implematic system.

🏷️ Basic Information

Identification

Make:

David Brown

Model:

850 Implematic, 850 Implematic Livedrive, 950 Implematic, 950 Implematic Livedrive

Model Variant:

Standard and Livedrive Transmission

Codes

850 Implematic Serial Number Range:

2B/850/30 001 To 306 350

850 Implematic Livedrive Serial Number Range:

2A/850/30 001 To 306 350

950 Implematic Serial Number Range:

W/950/63 001 To 81 850

950 Implematic Livedrive Serial Number Range:

V/950/63 001 To 81 850

👋 Introduction

Market Position

Target User:

Owners, mechanics, and technicians working on David Brown 850 and 950 Implematic tractors.

Competitive Analysis

Value Proposition:

Provides essential, in-depth technical information to perform repairs and maintenance, saving on professional service costs and preserving vehicle condition.

Key Features

Instructional Style:

Step-by-step instructions with detailed exploded diagrams for clarity and efficient repair.

Accessibility:

Instant download for immediate access on various digital devices (PC, Mac, tablet, smartphone).

📋 Manual Details

Coverage Areas

Primary Systems Covered:

Implematic Hydraulic System

Specific Components Covered:

Control Valve Assembly, Hydraulic Pump Unit, Top Link & Control Cable, Ram Cylinder & Ramshaft, Automatic Hold Mechanism, Three-way Valve Unit

Procedural Coverage:

Operation, Fault Finding, Adjustments, Setting Instructions, Dimensional Data, Summary of Design Changes

Page Count

Estimated Page Count:

Not Specified (Comprehensive detail implied)

Manual Type

Manual Type:

Workshop Service & Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Hydraulic System Details:

In-depth coverage of the David Brown Implematic hydraulic system, including its unique operational principles and components.

Procedures Included

Fault Diagnosis And Repair:

Detailed procedures for identifying and rectifying faults within the Implematic hydraulic system.

Adjustment And Setting:

Step-by-step instructions for all necessary adjustments and settings of hydraulic components to ensure optimal performance.

Technical Depth

Diagnostic Capabilities:

Advanced troubleshooting and diagnostic techniques specific to the Implematic system.

Rebuild Procedures:

Comprehensive guidance for the disassembly, inspection, repair, and reassembly of hydraulic pump, control valve, and ram assemblies.

Component Understanding:

Detailed explanations of the function and interaction of each component within the Implematic system, including the automatic hold mechanism.

📊 Manual Specifications

File Format

Digital File Type:

Print Quality

Printability:

High-quality, printable for hard copy reference.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Diesel (Specific engine details not provided in product info, but typically inline diesel for these models)

Performance

Horsepower Range:

Typically in the 30-50 HP range for 850/950 models, exact figures depend on specific engine variant.

Fuel System

Fuel Type:

Diesel

🔧 Transmission

Standard

Transmission Type:

Implematic (Hydraulic power shift transmission)

Optional

Transmission Variant:

Livedrive (indicating a specific variation of the Implematic system or a dual-clutch setup for PTO operation)

Features

Implematic System Function:

A key feature of these tractors, providing variable speed control and hydraulic power management.

📐 Dimensions

Exterior

Wheelbase:

Not specified in product info, but typical for tractors of this era.

Weights

Operating Weight:

Not specified in product info, but generally around 3500-4500 lbs depending on configuration.

🛡️ Safety Features

Ratings

Safety Standards Adherence:

Manual assists in maintaining safety through proper operation and repair of hydraulic systems, critical for tractor stability and control.

💡 Technology Features

Infotainment

Infotainment Systems:

N/A (This is a tractor from the mid-20th century, no electronic infotainment systems).

Driver Assistance

Driver Assistance Features:

N/A (Focus is on the hydraulic control system which acts as a form of implement assistance).

Connectivity

Connectivity Options:

🔧 Maintenance

Service Intervals

Hydraulic Fluid Change:

Specific intervals not provided, but regular checking and changing of hydraulic fluid is critical for Implematic system longevity. Typically recommended annually or after a set number of operating hours (e.g., 500-1000 hours).

Fluid Specifications

Hydraulic Fluid Type:

The manual will specify the correct hydraulic oil type and viscosity (likely a premium tractor hydraulic fluid like UTF - Universal Tractor Transmission Oil, or a specific mineral oil as per original specifications).

Hydraulic System Capacity:

Capacity details for the Implematic hydraulic system will be provided in the manual.

Known Issues

Implematic Wear Points:

Common wear areas include hydraulic pump seals, control valve spools, and ram cylinder seals. The manual addresses diagnosis and repair for these.

Potential Failures:

Leakage, loss of hydraulic pressure, inconsistent lift/lower operation, or control valve sticking can occur due to wear or contamination. The manual provides troubleshooting for these.

📚 Vehicle History

Brand Heritage

Manufacturer Origin:

United Kingdom (David Brown Tractors Ltd.)

Model Evolution

Implematic Introduction:

The Implematic system was a significant innovation in tractor hydraulics, offering advanced control for its time.

Production

Production Era:

The 850 and 950 models were produced from the late 1950s into the 1960s, with refinements over their production life.

🏆 Awards & Recognition

Recognitions

Implematic Innovation:

The Implematic system itself was a technologically advanced feature for its time, recognized for improving tractor usability and implement control.