DAVID BROWN Case 770 870 970 1070 1090 1170 Service Manual PDF Download

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Basic Information Identification Make: David Brown (Case/International Harvester) Model: 770, 870, 970, 1070, 1090, 1170, 1175 Codes Engine Codes Covered: 251 BG, 267 BD, 301 BG, 336 BD, 377 BG,...

Type: Engines

Satıcı:

Sku: 84919

Tags: CASE David Brown

Ürün varyasyonları

Description

Basic Information
Identification
Make:	David Brown (Case/International Harvester)
Model:	770, 870, 970, 1070, 1090, 1170, 1175
Codes
Engine Codes Covered:	251 BG, 267 BD, 301 BG, 336 BD, 377 BG, 401 BD, 451 BD, 451 BDT

Introduction
Market Position
Positioning:	Essential technical documentation for owners and mechanics of David Brown and associated Case tractors, enabling self-sufficiency in maintenance and repair.
Competitive Analysis
Value Proposition:	Provides in-depth technical guidance, enabling significant cost savings on professional repairs. The digital format offers convenience and durability.
Key Features
Features:	Covers a wide range of models and engine variants, detailed system breakdowns, troubleshooting guides, printable pages for workshop use.

Manual Details
Coverage Areas
Covered Models:	David Brown 770, David Brown 870, David Brown 970, David Brown 1070, David Brown 1090, David Brown 1170, David Brown 1175
Page Count
Estimated Page Count:	Varies based on specific model and engine combination, but comprehensive coverage implies several hundred pages. Digital format allows for flexibility.
Manual Type
Type:	Service Manual / Workshop Manual
Language
Language:	English
Format
Format:	PDF Download

Manual Coverage
Systems Covered
Engine Systems:	Cooling System, Fuel System (Gasoline & Diesel), Air Intake System (including Turbocharger), Lubrication System, Electrical System (Distributor, Alternator, Starter)
Powertrain Systems:	Clutch (Single Plate, Power Shift), Transmission (Gearbox, PTO), Differential, Final Drive
Hydraulic Systems:	Power Steering, Hydraulic Pump, Steering Control Valve, Steering Actuator, Hydraulic Cylinders, Remote Valves, Draft-O-Matic System
Braking Systems:	Manual Brakes, Master Cylinder, Power Brakes, Double Disc Brakes, Caliper Disc Brakes, Parking Brakes
Front Axle And Steering:	Adjustable Axle, Power Steering System
Procedures Included
Repair And Overhaul:	Engine overhaul, cylinder head service, valve adjustments, crankshaft and bearing service, piston and rod assembly, timing gear replacement, fuel injection pump and nozzle servicing, carburetor overhaul, radiator and water pump replacement, clutch overhaul (including power shift), transmission disassembly and reassembly, differential and final drive servicing, brake caliper and master cylinder replacement.
Maintenance And Adjustment:	Engine tune-up, oil and filter changes, coolant checks, fuel filter replacement, bleeding fuel systems, clutch adjustment, PTO engagement and adjustment, hydraulic system bleeding and pressure checks, brake adjustments.
Troubleshooting:	Systematic troubleshooting guides for engine performance issues, hydraulic malfunctions, transmission problems, braking system faults, and electrical system diagnostics.
Diagnostics:	Operating pressure checks, performance testing of hydraulic components, troubleshooting common issues with detailed diagnostic steps.
Technical Depth
Depth:	Comprehensive, covering removal, disassembly, inspection, repair, assembly, and adjustment of major components and systems. Includes detailed technical specifications and troubleshooting procedures.

Manual Specifications
File Format
File Type:	PDF
Print Quality
Quality:	High-quality diagrams and easy-to-read text sections as per product description. Searchable text is often a feature of quality PDFs.
Binding Type
Binding:	N/A (Digital Download)
Paper Type
Paper:	N/A (Digital Download)

Engine Specifications
Primary Engine
Engine Families And Configurations:	Range of British-built David Brown diesel and petrol engines. 4-cylinder (251 BG, 267 BD, 301 BG, 336 BD) and 6-cylinder (377 BG, 401 BD, 451 BD, 451 BDT - Turbo) configurations.
Performance
Horsepower Range:	Estimated to range from approximately 40-70 HP for the smaller 4-cylinder models up to 70-100+ HP for the larger 6-cylinder and turbocharged variants, depending on the specific model and engine tune.
Fuel System
Fuel Types And Components:	Petrol engines utilize carburetors. Diesel engines feature fuel injection pumps (e.g., CAV Simms, Lucas) and injector nozzles. Diesel Turbo models utilize a turbocharger for enhanced power output.

Transmission
Standard
Standard Transmission:	Typically a manual transmission with multiple gears (e.g., 8-speed, 10-speed, 12-speed depending on model and range selection). Often features synchronized shifting for easier gear changes.
Optional
Optional Transmission:	Power Shift clutch (or torque converter on some variants) for on-the-go gear changes, and Independent Power Take-Off (IPTO) for PTO operation without disengaging the main transmission.
Features
Transmission Features:	Synchronized gear shifting, multi-speed gearboxes, selectable PTO speeds (e.g., 540/1000 RPM), differential lock, and robust construction for agricultural applications.

Dimensions
Exterior
Wheelbase And Length:	Varies by model, but typically characterized by a substantial wheelbase for stability in field operations. Length typically ranges from 12-15 feet, width around 6-7 feet, and height around 7-8 feet to the top of the cab/operator station.
Weights
Operating Weight:	Operating weights can range from approximately 4,500 lbs (2,040 kg) for the 770/870 models to over 6,500 lbs (2,950 kg) for the larger 1170/1175 models.

Safety Features
Ratings
Safety Features Focus:	The manual covers braking systems (including power brakes and double disc brakes for enhanced stopping power), and the general safety of operating agricultural machinery. ROPS (Roll-Over Protective Structure) might be an available or aftermarket option, but not inherently detailed as standard for all configurations.
Passive Features
Passive Safety:	Robust chassis construction, dependable braking systems, operator controls designed for ease of use. The manual's detail on clutch and transmission ensures safe operation of the powertrain.

Technology Features
Infotainment
Infotainment Features:	N/A. These are agricultural tractors from an era where infotainment systems were not a feature.
Driver Assistance
Driver Assistance Systems:	N/A. Primarily mechanical controls. Advanced systems like electronic draft control might be present on later versions or specific configurations but are not indicated as a primary feature here.
Connectivity
Connectivity Features:	N/A. No electronic connectivity features are expected for these models.

Maintenance
Service Intervals
Engine Oil And Filter Change:	Typically recommended every 250-500 operating hours for diesel engines, and 100-200 hours for petrol engines, depending on operating conditions. Always refer to the manual for precise intervals.
Fluid Specifications
Engine Oil Viscosity:	For diesel engines, SAE 15W-30 or 10W-30 is common. For petrol engines, SAE 20W-50 or 10W-30. Consult manual for exact API service classifications (e.g., CD, CE for diesel; SF for petrol).
Hydraulic Fluid Type:	Typically a Universal Tractor Transmission Oil (UTTO) or a dedicated hydraulic fluid meeting specific viscosity and additive requirements. Capacity varies by model, often around 8-12 gallons.
Coolant Type:	A mix of ethylene glycol antifreeze and water (typically 50/50) for freeze protection and corrosion inhibition. Check manual for recommended coolant type (e.g., conventional green or advanced OAT).
Known Issues
Common Wear Items:	Hydraulic pump wear, clutch wear (especially power shift), injector pump timing issues, potential for leaks in the cooling system, and wear in PTO clutch packs.
Diesel Injection System:	Wear in fuel injection pumps and nozzles can lead to starting difficulties, loss of power, and smoke. Proper timing and maintenance are crucial.
Electrical System Aging:	Older wiring harnesses can degrade, leading to intermittent electrical issues. Alternators and starter motors may require rebuilding or replacement over time.

Vehicle History
Brand Heritage
David Brown Legacy:	David Brown was a prominent British tractor manufacturer known for robust and reliable farm machinery, particularly during the mid to late 20th century. The brand was eventually acquired by Case Corporation, leading to the 'David Brown Case' lineage.
Model Evolution
Series Progression:	These models represent a significant line of tractors from David Brown, evolving through the late 1960s and 1970s, incorporating improvements in engine power, hydraulics, and operator comfort. The Case acquisition integrated these designs into the broader Case product line.
Production
Production Era:	These models were primarily produced from the late 1960s through the 1970s.

Awards & Recognition
Recognitions
Industry Awards:	While specific awards for these individual models aren't widely documented publicly, David Brown tractors were generally recognized for their reliability and robust build quality within the agricultural industry of their time.