🏷️ Basic Information Identification Make: Komatsu Model: HM300-1L Model Variant: Articulated Truck Codes Product Code: HM300-1L 👋 Introduction Market Position Market Segment: Heavy Construction Equipment - Articulated Dump Truck Competitive Analysis Competitors: Caterpillar (700 Series), Volvo (A Series), John Deere (E Series), Bell Equipment (B Series). Key Features Vehicle Articulation Pivot: Heavy-duty articulated steering for excellent maneuverability in tight job sites and rough terrain. Dump Body: Robust dump body designed for high payload capacity and efficient material discharge, often with heated options for sticky materials. Transmission Type: Advanced automatic or powershift transmission for optimal power delivery and ease of operation. Key Features Manual Manual Utility: Provides essential information for safe and efficient operation, routine maintenance, and in-depth repair, ensuring maximum uptime and longevity of the equipment. 📋 Manual Details Coverage Areas Manual Type 1: Service Repair Manual Manual Type 2: Operation & Maintenance Manual Page Count Service Repair Manual Pages: Estimated 1000+ pages (typical for comprehensive heavy equipment service manuals) Operation Maintenance Manual Pages: Estimated 300-500 pages (typical for O&M manuals) Language Language: English Format Format: Digital (likely PDF, based on common industry practice for service documentation) 📖 Manual Coverage Systems Covered Service Engine Systems: Engine overhaul, cooling system, lubrication system, fuel system, air intake, exhaust system, starting system, charging system, engine controls and sensors, diagnostics. Powertrain Systems: Transmission overhaul (e.g., Komatsu Traction System - KTS), torque converter, drive shafts, differentials, planetary final drives, braking system (service brakes, parking brakes, retarder system). Hydraulic Systems: Hydraulic pump, control valves, cylinders (steering, hoist), filters, accumulators, hydraulic system schematics, troubleshooting hydraulic malfunctions. Electrical Systems: Wiring diagrams, starter motor, alternator, battery system, lighting system, instrument panel, sensors, ECUs (Engine Control Unit, Transmission Control Unit), troubleshooting electrical faults. Chassis And Frame: Articulated steering system, frame components, suspension (if applicable), bodywork (cab, dump body), mounting hardware. Operator Station: Cabin interior, controls, seating, HVAC system, operator safety features. Procedures Included Maintenance Procedures: Scheduled maintenance checks, lubrication points and intervals, filter replacement, fluid level checks and top-ups. Repair Procedures: Step-by-step disassembly and reassembly of major components (engine, transmission, hydraulics, axles), component replacement, seal and gasket replacement. Troubleshooting: Diagnostic charts, fault code interpretation, common problem identification and solutions for all major systems. Adjustment Procedures: Valve lash adjustment, brake adjustments, clutch adjustments (if applicable), hydraulic system pressure adjustments. Calibration: Sensor calibration, control system calibration. Technical Depth Depth: Comprehensive; covers detailed diagnostics, component-level repairs, and complete overhaul procedures for all major systems. Includes torque specifications, clearances, and assembly sequences. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution scans for clear text and diagrams, suitable for printing. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Searchability Searchability: Text-searchable PDF allowing quick access to specific information. Illustrations Illustrations: Includes detailed diagrams, exploded views, schematics, and photographs. ⚙️ Engine Specifications Primary Engine Engine Manufacturer: Komatsu (likely a Cummins or an in-house designed engine for this era) Engine Model: Likely a direct-injection, turbocharged diesel engine. Specific model number would be detailed in the manual. Displacement: Typically in the range of 11-15 liters for this class of truck. Exact specification in manual. Performance Horsepower Net: Expected range of 300-400 HP (224-298 kW). Precise figures are crucial and will be in the manual. Peak Torque: Expected range of 1000-1300 lb-ft (1356-1760 Nm). Precise figures are crucial and will be in the manual. Fuel System Fuel Injection: Common Rail Direct Injection (CRDI) or Electronic Unit Injectors (EUI) depending on exact model year and engine. Fuel Type: Diesel Lubrication Oil Capacity: Specific capacity to be found in the manual, typically 30-40 liters. Cooling Coolant Type: Ethylene glycol-based antifreeze (typically green or yellow, refer to manual for exact Komatsu specification). 🔧 Transmission Standard Transmission Type: Komatsu Traction System (KTS) - Automatic Power Shift or Electronically Controlled Powershift Transmission. Number Of Gears: Typically 5 or 6 forward gears and 1 or 2 reverse gears. Features Transmission Features: Integrated retarder, electronic shift control, automatic shifting modes, torque converter lock-up for fuel efficiency. Fluid Specifications Transmission Fluid Type: Komatsu genuine transmission oil or equivalent heavy-duty transmission fluid (e.g., Caterpillar TO-4, Allison TES-295 compliant). Specific grade and specification in manual. 📐 Dimensions Exterior Overall Length: Approx. 9-10 meters (30-33 feet). Specific measurement in manual. Overall Width: Approx. 3-3.5 meters (10-11.5 feet). Specific measurement in manual. Overall Height: Approx. 3.5-4 meters (11.5-13 feet) to top of cab. Specific measurement in manual. Cargo Payload Capacity: Nominal payload capacity of 30 metric tons (approx. 33 US tons). Exact specification in manual. Body Volume Heaped: Approx. 17-20 cubic meters (22-26 cubic yards) heaped. Exact specification in manual. Weights Operating Weight: Approx. 23-26 metric tons (50,000-57,000 lbs). Specific weight in manual. Ground Pressure: Designed for low ground pressure for soft underfoot conditions. Specific values in manual. 🛡️ Safety Features Ratings Safety Standards: Designed to meet ROPS (Roll-Over Protective...