🏷️ Basic Information Identification Make: Yanmar Model: YM155 / YM155D Product Type: Workshop Service Manual Category: Agricultural Tractor 👋 Introduction Market Position Target Audience: Mechanics and DIY owners seeking to repair or maintain their Yanmar YM155/YM155D tractor Competitive Analysis Value Proposition: Comprehensive, step-by-step procedures and diagrams at an accessible price point for effective self-service Key Features Ease Of Use: Prepared with simple explanations to facilitate understanding for personnel with varying levels of experience Completeness: Described as 100% complete and intact, with no missing or corrupt pages/sections Accessibility: Instant PDF download provides immediate access without shipping delays or costs 📋 Manual Details Coverage Areas Primary Coverage: Repair and Maintenance Secondary Coverage: Adjustments, Troubleshooting, Disassembly, Assembly Page Count Total Pages: 61 Paragraph Count: 295 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format File Format: PDF Download Method: Instant Download 📖 Manual Coverage Systems Covered Engine Systems: Engine diagnostics, removal, installation, disassembly, assembly, cooling system, lubrication system, fuel system (carburetor/injection depending on variant), ignition system (if applicable) Drivetrain Systems: Transmission (gearbox), clutch, differential, drive axles, PTO (Power Take-Off) system Chassis Systems: Steering system, braking system, hydraulic system (lift arms, three-point hitch), front and rear axles, wheel bearings Electrical Systems: Wiring diagrams, lighting, starting system, charging system (alternator/generator), battery maintenance, starter motor, electrical component testing Bodywork And Operator Station: Fender removal/installation, seat adjustments, control levers, dashboard indicators Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes (engine oil, transmission oil, hydraulic fluid), filter replacements, lubrication points, pre-operation checks Repair Procedures: Detailed step-by-step repair instructions for all covered systems, component replacement, seal replacement Adjustment Procedures: Valve lash adjustment, brake adjustment, clutch adjustment, hydraulic pressure adjustments, PTO engagement adjustments Troubleshooting Procedures: Diagnostic flowcharts, symptom-based troubleshooting, common problem identification and solutions Disassembly Assembly: Complete instructions for taking apart and reassembling major components and sub-assemblies Technical Depth Depth: Comprehensive Workshop Level Detail Level: Step-by-step instructions with clear explanations and pictorial diagrams Special Tools: Reference to specific Yanmar special service tool numbers and their usage Specifications: Includes crucial service data, factory specifications, and allowable limits for measurements and adjustments Diagrams Illustrations: Exploded diagrams, detailed drawings, and photographs to guide repair procedures 📊 Manual Specifications File Format Compatibility: Windows, Mac, Linux OS Software Requirement: Adobe Reader Print Quality Printability: Yes, all pages are printable Binding Type Binding: Digital (PDF Download) Paper Type Paper Type: N/A (Digital Format) Content Organization Organization: Information is divided into logical groups for systems and components ⚙️ Engine Specifications Primary Engine Manufacturer: Yanmar Model Designation: YM155 / YM155D (specific engine model likely detailed within manual) Performance Horsepower: Likely in the 15-20 HP range (specific to model variant, detailed in manual) Engine Type: Diesel (typical for Yanmar tractors of this era) Fuel System Fuel Type: Diesel Injection Type: Direct Injection or Indirect Injection (specific to engine model) Cooling System Cooling Method: Liquid-Cooled (typical for this tractor class) Lubrication System Oil Type: Diesel Engine Oil (specific grade and viscosity to be detailed in manual, e.g., API CD/CF or similar) 🔧 Transmission Standard Transmission Type: Manual Transmission (likely with multiple forward and reverse gears) Gear Configuration: Likely a constant mesh gear system with a shuttle shifter or sliding gears Features Clutch Type: Single Plate Dry Clutch Drive Configuration: 2WD or 4WD (YM155D likely signifies 4WD, detailed in manual) Pto System: Rear Power Take-Off (PTO) with standard RPM (e.g., 540 RPM) 📐 Dimensions Weights Operating Weight: Varies by configuration, likely in the 1000-1500 kg range (specifics in manual) Weight Distribution: Front and Rear axle weights (detailed in manual for stability calculations) Wheelbase: Varies by model, typically around 1500-1700 mm (specifics in manual) Ground Clearance: Sufficient for agricultural use, detailed in manual 🛡️ Safety Features Ratings Operator Safety Emphasis: Manual includes safety precautions, DANGER, CAUTION, and NOTE remarks Active Features Brake Type: Mechanical Drum Brakes (typical for this class, though disc brakes may be present on some variants) Parking Brake: Mechanical Parking Brake system Passive Features Roll Over Protection: ROPS (Roll-Over Protective Structure) is often an option or standard on later models, but may not be explicitly covered unless fitted. Manual emphasizes safe operation. Seatbelt: Seatbelts may be fitted depending on the original configuration and regulatory requirements. 💡 Technology Features Infotainment Dashboard Features: Basic analog gauges for engine temperature, oil pressure, fuel level, and tachometer. Warning lights for charging system, oil pressure, etc. Driver Assistance Operator Controls: Manual operation of steering, clutch, throttle, gear selection, PTO engagement, and hydraulic controls. Connectivity Diagnostic Ports: Likely limited to basic electrical testing points, no advanced OBD-II style diagnostic ports. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-250 operating hours, or annually (specific interval in manual) Transmission Hydraulic Fluid Change: Often at 250-500 operating hours or every 1-2 years (specific interval in manual) Air Filter Cleaning Replacement: As needed based on operating conditions, typically checked every 50 hours and...