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Harley Davidson Shovelheads 1970 All Service Repair Manual

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$16.99
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$16.99
常规价格
🏷️ Basic Information Identification Make: Harley-Davidson Model: Shovelhead Model Variant: All Models (Electra Glide, Super Glide, Sportster, Fat Bob, etc.) Codes Engine Designation: Shovelhead OHV V-Twin 👋 Introduction Market Position...
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类型: Motorcycle
厂商:
斯库: 519310
Harley Davidson Shovelheads 1970 All Service Repair Manual
🏷️ Basic Information
Identification
Make:
Harley-Davidson
Model:
Shovelhead
Model Variant:
All Models (Electra Glide, Super Glide, Sportster, Fat Bob, etc.)
Codes
Engine Designation:
Shovelhead OHV V-Twin
👋 Introduction
Market Position
Target Audience:
Owners and mechanics seeking to perform their own maintenance and repairs on 1970 Harley-Davidson Shovelhead motorcycles, preserving classic machinery.
Competitive Analysis
Value Proposition:
Provides essential, often hard-to-find, technical information for maintaining and repairing a significant era of Harley-Davidson motorcycles, empowering users to undertake complex tasks.
Key Features
Content Highlights:
Detailed diagrams, torque specifications, troubleshooting guides, and step-by-step repair procedures specifically for 1970 Shovelhead models.
📋 Manual Details
Coverage Areas
Systems Covered:
Engine, Transmission, Drivetrain, Fuel System, Ignition System, Electrical System, Chassis, Suspension, Brakes, Bodywork, Maintenance, Troubleshooting, Specifications
Page Count
Estimated Pages:
Approximately 400-600 pages (typical for comprehensive service manuals of this era)
Manual Type
Type:
Service & Repair Manual
Language
Language:
English
Format
Format:
Downloadable Digital Format (PDF)
📖 Manual Coverage
Systems Covered
Engine:
Complete overhaul, top-end and bottom-end rebuilds, cylinder head, pistons, rings, camshafts, valve train, oil pump, crankcase assembly.
Transmission:
4-speed and 5-speed gearboxes (depending on specific model variant), clutch assembly, primary drive, gear inspection, shift linkage.
Drivetrain:
Final drive, drive chain maintenance, rear sprocket, compensator sprocket, clutch cable routing and adjustment.
Fuel System:
Carburetor identification (e.g., Keihin Butterfly, Linkert for some early Shovelheads), disassembly, cleaning, tuning, fuel tanks, petcocks, fuel lines.
Ignition System:
Points ignition, electronic ignition (later models), spark plugs, ignition coils, timing procedures, battery maintenance, charging system.
Electrical System:
Wiring diagrams, lighting, horn, starter motor, alternator/generator, fuses, switches, battery charging system.
Chassis And Suspension:
Frame inspection, front forks (leading link, telescopic), rear shock absorbers, steering head bearings, swingarm bushings.
Brakes:
Drum brakes (front and rear), hydraulic disc brakes (later models), brake caliper service, master cylinder rebuild, brake fluid specifications.
Bodywork:
Fenders, fuel tank mounting, seat installation, handlebars, control levers, basic fairing (if applicable to model).
Steering And Controls:
Handlebar replacement, throttle and clutch cable adjustments and replacement, steering head bearing service and adjustment.
Wheels And Tires:
Wheel bearing inspection and service, spoke tensioning (if applicable to wheel type), tire mounting and balancing.
Procedures Included
Maintenance:
Oil changes, filter replacement, spark plug replacement, chain adjustment, brake adjustments, lubrication points, battery tender connection.
Troubleshooting:
Diagnostic charts for common starting, running, and electrical issues. Symptom-based troubleshooting guides.
Repair And Rebuild:
Step-by-step instructions for major component overhauls and component-level repairs.
Adjustments:
Carburetor tuning, ignition timing, clutch and brake lever adjustments, suspension preload.
Wiring Diagrams:
Detailed, factory-accurate wiring diagrams for all electrical components, facilitating troubleshooting and repair of the electrical system.
Engine Timings:
Detailed procedures for setting ignition timing using points and condenser or electronic ignition systems, crucial for engine performance and longevity.
Technical Depth
Depth:
Comprehensive: Covers routine maintenance, diagnostic procedures, component overhaul, and complete engine/transmission rebuilds. Suitable for both experienced DIY mechanics and professional technicians.
Torque Specifications:
Includes specific torque values for all critical fasteners throughout the motorcycle, essential for proper assembly and preventing component failure.
Diagnostic Charts:
Systematic troubleshooting tables that correlate symptoms to potential causes and corrective actions for engine, electrical, and chassis issues.
📊 Manual Specifications
File Format
Digital Format:
PDF
Print Quality
Readability:
High-resolution scans for clear text and diagrams.
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Air-cooled, 45-degree V-twin, OHV (Overhead Valve)
Displacement Options:
Primarily 74 cu in (1200cc) and 80 cu in (1340cc) for FL and FX models respectively. Sportster models of this era had smaller displacements but shared the 'Shovelhead' top end design, though distinct engines.
Bore X Stroke 74Ci:
3.4375 in x 4.25 in (87.31 mm x 107.95 mm)
Bore X Stroke 80Ci:
3.50 in x 4.25 in (88.9 mm x 107.95 mm)
Valve Train Design:
OHV with pushrods operating rocker arms in the cylinder heads. Pushrod tubes contain engine oil for lubrication.
Performance
Horsepower Est 74Ci:
Approximately 60-65 HP (at the crankshaft, figures vary)
Torque Est 74Ci:
Approximately 70-75 lb-ft (at the crankshaft, figures vary)
Fuel System
Carburetor Options:
Keihin Butterfly (e.g., PD, PE series), sometimes Linkert (earlier transition models), S&S Super E/G (as common aftermarket upgrades).
Fuel Type:
Unleaded gasoline, Octane rating typically 87-91 (depending on compression ratio and specific recommendations).
Oil System
Oil Capacity:
Approximately 3 quarts (2.8 Liters) for the crankcase and primary drive.
Oil Type:
Harley-Davidson 20W-50 or equivalent motorcycle-specific oil. Conventional mineral oil is standard for this era. Some recommend synthetic blends but must be compatible with wet clutches.
🔧 Transmission
Standard
Transmission Type:
4-speed constant mesh manual transmission (early 1970s) or 4-speed Cruise Drive (later iterations, though the manual specifically states '1970' which implies 4-speed exclusively).
Optional
Optional Transmission:
5-speed transmission became available later in the Shovelhead production run, but unlikely for 1970 models unless modified.
Features
Clutch Type:
Dry, multi-plate clutch, operated by cable.
Primary Drive:
Primary drive to transmission via a duplex chain, housed in a primary chaincase, typically containing engine oil for lubrication and cooling of clutch components.
Fluid Specifications
Transmission Oil Type:
Typically Harley-Davidson Transmission Fluid or SAE 80W-90 gear oil. Check manual for specific recommendations.
📐 Dimensions
Exterior
Wheelbase Fl Model:
Approximately 63.5 inches (1613 mm)
Wheelbase Fx Model:
Approximately 62.5 inches (1588 mm)
Weights
Dry Weight Fl Model:
Approximately 600-650 lbs (272-295 kg)
Dry Weight Fx Model:
Approximately 550-600 lbs (249-272 kg)
Tire Sizes
Front Tire Typical:
3.00-19 or 3.50-19
Rear Tire Typical:
4.00-18 or 5.00-16
🛡️ Safety Features
Ratings
Crash Test Ratings:
Not applicable to motorcycles of this era. Safety features focus on rider control and mechanical integrity.
Active Features
Braking System:
Drum brakes front and rear (standard), with optional front disc brake appearing on some models towards the end of the 60s and early 70s. Dual disc systems were rare for 1970.
Passive Features
Frame Construction:
Steel tube frame designed for stability and handling characteristics of the era.
💡 Technology Features
Infotainment
Infotainment Systems:
None. Motorcycles of this era did not feature electronic infotainment systems. Instrumentation is basic analog gauges (speedometer, tachometer optional).
Driver Assistance
Driver Assistance Features:
None. Rider is fully responsible for control and awareness.
Connectivity
Connectivity Features:
None.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 2,000-3,000 miles (3,200-4,800 km) or annually, whichever comes first. Shorter intervals may be recommended for heavy use or older engines.
Chain Adjustment Interval:
Check and adjust every 1,000 miles (1,600 km) or as needed based on slack.
Spark Plug Replacement:
Every 10,000-15,000 miles (16,000-24,000 km), or as indicated by fouling.
Fluid Specifications
Engine Oil Spec:
Harley-Davidson 20W-50, HD-1 (or equivalent API SG/SH rating or higher for conventional, check manual for specific approvals).
Brake Fluid Spec:
DOT 3 or DOT 4 hydraulic brake fluid for disc brake systems (if equipped). Check manual for specific type.
Primary Chain Case Oil Spec:
Shares engine oil. Therefore, the same 20W-50 motorcycle oil is typically used.
Known Issues
Common Problems:
Oil leaks (especially from base gaskets and pushrod tubes), transmission shifting issues, kickstarter mechanism wear, weak charging systems (generator vs. alternator), carburetor tuning difficulties, vibration damping characteristics.
Wear And Tear:
Valve guide wear, crankpin wear, main bearing wear, and worn shifter forks are common in higher mileage engines.
📚 Vehicle History
Brand Heritage
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and distinctive styling.
Model Evolution
Shovelhead Introduction:
The Shovelhead engine, introduced in 1966, replaced the Panhead engine. It featured a distinctive aluminum alloy cylinder head with rocker boxes resembling a shovel's head, hence the nickname.
1970 Model Year Significance:
The 1970 model year saw continued refinement of the Shovelhead engine and chassis, offering various models like the FL Electra Glide (touring) and FX Super Glide (custom styling).
Frame Differences:
Distinction between FL (constant swingarm) and FX (Sturgis-style frame with shorter wheelbase and different rake) chassis is detailed.
Production
Shovelhead Production Period:
1966-1984
🏆 Awards & Recognition
Recognitions
Model Recognition:
The Shovelhead engine is iconic and celebrated in the motorcycle community for its raw power, distinctive sound, and contribution to the Harley-Davidson legacy. Highly sought after by custom builders and collectors.
Ratings
Owner Satisfaction:
Owner satisfaction is generally high for those who appreciate the classic riding experience and character, despite known maintenance requirements.
Certifications
Manual Certification:
This manual is a reproduction of factory or recognized aftermarket service data, critical for proper repair and maintenance.
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