🏷️ Basic Information Identification Make: Yanmar Model: YM 135, YM 135D, YM 155, YM 155D Product Type: Workshop Repair Manual 👋 Introduction Market Position Target Audience: Yanmar tractor owners, independent repair shops, agricultural mechanics, and DIY enthusiasts seeking in-depth repair knowledge. Competitive Analysis Value Proposition: Provides essential technical information for maintaining and repairing the specified Yanmar tractor models, enabling cost savings through self-service and informed professional repairs. Key Features Comprehensiveness: Covers a wide array of critical systems, offering a complete guide for troubleshooting and repair. Download Availability: Instant download service, offering convenience and rapid access to crucial repair data. 📋 Manual Details Coverage Areas Systems Covered: Brakes, Clutch, Cooling System, Diesel Fuel System, Differential, Electrical System, Engine, Final Drive, Front Axle, Front Wheel Drive, Governor, Hydraulic System, Power Take Off (PTO), Steering Gear, Transmission Page Count Page Count: 60+ Manual Type Manual Type: Workshop Repair Manual Language Language: English Format Format: PDF Compatibility Compatibility: Windows/Mac 📖 Manual Coverage Systems Covered Engine Overhaul: Detailed procedures for engine disassembly, inspection, repair, and reassembly. Fuel System Diagnostics: Troubleshooting and repair of diesel injection pumps, injectors, fuel lines, and filters. Cooling System Maintenance: Radiator, thermostat, water pump, and fan belt inspection and replacement procedures. Transmission Repair: Gearbox disassembly, clutch adjustment, and internal component repair. Hydraulic System Troubleshooting: Lift arms, hydraulic pump, cylinder, and valve body diagnostics and repair. Brake System Service: Drum brake inspection, adjustment, and component replacement. Electrical System Diagnostics: Wiring diagrams, starter motor, alternator, battery, and lighting system troubleshooting. Steering Gear Overhaul: Front steering assembly, tie rods, and steering column repair. Final Drive And Differential: Axle lubrication, gear inspection, and differential assembly repair. Front Axle And FWD Repair: Wheel bearing service, U-joint replacement, and front drive engagement mechanisms. Pto Operation And Service: Power Take-Off (PTO) engagement, spline maintenance, and rear PTO shaft repair. Governor Adjustment: Engine speed control mechanism calibration and repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, greasing points, and safety checks. Troubleshooting Guides: Systematic diagnostic steps for common operational issues. Repair Instructions: Step-by-step guidance for component replacement and repair. Adjustment Procedures: Settings for clutch, brakes, governor, and hydraulic systems. Technical Depth Depth Of Coverage: Comprehensive, covering detailed repair and overhaul procedures suitable for professional technicians and advanced DIY users. 📊 Manual Specifications File Format File Format: PDF File Size Potential: Up to 1 GB (due to compression, may be large) Searchable Text: Typically searchable PDF (dependent on original document scanning quality) Printable: Yes, PDF format allows for printing. 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 model varies by YM 135/155 variant, typically 2 or 3 cylinder Yanmar diesel engines) Fuel System: Direct Injection Diesel Performance Power Output Range: Approximately 13-15 HP for YM135 series, 15-17 HP for YM155 series (actual power output depends on specific engine variant and model configuration) Fuel System Fuel Filter Type: Spin-on type diesel filter (specific part number would be detailed in the manual) 🔧 Transmission Standard Transmission Type: Manual Transmission (likely with multiple forward and reverse gears, potentially a high/low range) Optional Drive Options: Available in 2WD (YM135, YM155) and 4WD (YM135D, YM155D) configurations. Features Clutch Type: Dry single-plate clutch Fluid Specifications Transmission Fluid Type: GL-4 Gear Oil (Specific viscosity grade such as 80W-90 or 90 recommended in the manual) 📐 Dimensions Weights Operating Weight Approx: Range typically from 700 kg to 900 kg depending on configuration (2WD/4WD and attachments) 🛡️ Safety Features Active Features Braking System: Drum brakes, typically operating on rear wheels with mechanical parking brake engagement. Passive Features Operator Presence Control: Likely includes safety interlocks related to PTO engagement and transmission operation. 💡 Technology Features Infotainment Instrumentation: Basic dashboard with essential gauges for engine temperature, oil pressure, battery charge, and RPM. Driver Assistance Transmission Control: Manual gear shifting, clutch operation, and PTO engagement levers. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-200 operating hours or annually, depending on usage severity. Specific interval detailed in manual. Fuel Filter Replacement: Recommended at 200-400 operating hours or as needed if fuel quality is suspect. Air Filter Cleaning Replacement: Check and clean every 50-100 operating hours, replace as needed or annually. Fluid Specifications Engine Oil Type: API Service Category CD or CE, SAE 30W or 10W-30 (depending on ambient temperature). Consult manual for specific grade. Coolant Type: Ethylene glycol based antifreeze (50/50 mix with distilled water) for freeze protection and corrosion inhibition. Hydraulic Fluid Type: Yanmar recommends specific hydraulic oil or equivalent UTF (Universal Tractor Transmission Fluid). Check manual for specifications and capacity. Known Issues Common Wear Items: Clutch disc wear, brake shoe wear, water pump seal leaks, and potential hydraulic cylinder seal deterioration over time. Electrical Corrosion: Corrosion on electrical connectors and wiring due to exposure to elements can lead to intermittent issues. 📚...