This workshop service manual covers the diesel forklift trucks, part of the robust FD-Series line. These forklifts are engineered for durability and performance, featuring the reliable S4S (Tier 2) diesel engine and a choice of automatic or manual transmissions. Known for their build quality and operational efficiency, forklifts have a strong reputation in the materials handling industry. The FD-Series models offer significant load capacities, ranging from 2,000 kg for the FD20HS to 3,000 kg for the FD30HS, making them suitable for a wide array of industrial applications. This comprehensive factory workshop service manual provides detailed information for the maintenance, repair, and operation of these forklift models. It includes extensive coverage of the chassis, mast, S4S diesel engine, hydraulic systems, electrical systems, and brake systems. With over 645 pages of factory-level technical data, including step-by-step repair instructions, diagnostic troubleshooting guides, and detailed technical specifications, this manual is an essential resource for owners, maintenance technicians, and repair shops. Its searchable format with high-quality illustrations ensures efficient access to critical information, enabling accurate and cost-effective upkeep of your forklift. 🏷️ Basic Information Identification Make: Mitsubishi Model: FD20HS, FD25HS, FD30HS Product Type: Workshop Service Manual Codes Series Code: FD-Series Engine Code Common: S4S (Tier 2) 👋 Introduction Market Position Target Audience: Forklift owners, maintenance technicians, repair shops Competitive Analysis Value Proposition: Provides original factory data, saving time and cost compared to guesswork or generic manuals Key Features Accuracy: Original factory content ensures accuracy and completeness Usability: Searchable text and bookmarks for quick information retrieval Coverage: Covers all major systems of the specified forklift models 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive maintenance, repair, and operation of Mitsubishi Diesel Forklift Trucks FD20HS, FD25HS, and FD30HS Secondary Coverage: Specific sections for Chassis and Mast, S4S Diesel Engine (Tier 2) Page Count Total Pages Estimated: 645 Chassis And Mast Pages: 480 Engine Pages: 165 Manual Type Type: Factory Workshop Service Manual Language Language: English Format Format: ZIP file containing PDF manuals 📖 Manual Coverage Systems Covered Powertrain: Engine, transmission, axles Chassis: Frame, steering, suspension Mast And Forks: Mast assembly, fork system, tilt mechanism Hydraulic System: Lift, tilt, steering hydraulics, component repair, troubleshooting Electrical System: Wiring diagrams, component identification, troubleshooting, lighting, starter, alternator Brake System: Drum brake inspection, adjustment, repair Procedures Included Diagnostics: Troubleshooting procedures for engine, hydraulic, and electrical systems Maintenance: Scheduled maintenance, fluid checks, filter changes, lubrication Repair: Step-by-step repair instructions for all major components and systems Disassembly And Assembly: Detailed procedures for dismantling and reassembling components like the engine, transmission, and mast Engine Overhaul: Detailed instructions for engine disassembly, inspection, repair, and reassembly Transmission Repair: Service procedures for the automatic transmission, including component replacement and adjustment Mast Service: Procedures for mast disassembly, inspection, lubrication, and repair of tilt cylinders and lift chains Troubleshooting Guides: Systematic troubleshooting charts for common malfunctions across all major systems Technical Depth Depth: Comprehensive factory-level technical information, suitable for experienced technicians and advanced DIY users Diagnostic Tools: Implied use of standard mechanical and electrical diagnostic tools Specifications Provided: Torque specifications, clearances, fluid capacities, pressure readings, electrical resistance values 📊 Manual Specifications File Format Format: PDF Searchable: Yes Print Quality Printability: Printable pages Illustration Quality: High-quality illustrations Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Model: Mitsubishi S4S Diesel (Tier 2) Performance Engine Type: Naturally Aspirated 4-Cylinder Diesel Displacement: Approximately 3.3 Liters (refer to specific engine manual for exact figures) Fuel System Fuel Type: Diesel Injection System: Indirect Injection (typical for S4S) 🔧 Transmission Standard Transmission Type: Automatic Transmission (Torque Converter) Optional Optional Transmission: Manual Transmission (availability dependent on specific configuration) Features Torque Converter: Provides smooth power delivery and clutchless operation 📐 Dimensions Weights Operating Weight Fd20Hs: Approx. 3,800 kg (8,378 lbs) - Varies with configuration Operating Weight Fd25Hs: Approx. 4,200 kg (9,259 lbs) - Varies with configuration Operating Weight Fd30Hs: Approx. 4,600 kg (10,141 lbs) - Varies with configuration Load Capacity Fd20Hs: 2,000 kg (4,400 lbs) Load Capacity Fd25Hs: 2,500 kg (5,500 lbs) Load Capacity Fd30Hs: 3,000 kg (6,600 lbs) 🛡️ Safety Features Ratings Design Standards: Designed to meet industry safety standards for forklifts (e.g., ANSI B56.1) Active Features Braking System: Hydraulic drum brakes with parking brake Passive Features Operator Protection: Overhead guard (standard equipment) 💡 Technology Features Infotainment Infotainment System: N/A (Industrial equipment, typically basic controls) Driver Assistance Driver Assistance Features: N/A (Industrial equipment, focus on core functionality) Connectivity Connectivity Options: N/A (Industrial equipment) 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours, or annually (refer to manual for exact interval) Air Filter Replacement: Check every 250 hours, replace as needed or annually Hydraulic Fluid Change: Typically every 1000-2000 operating hours, or annually (refer to manual) Fluid Specifications Engine Oil Type: API CD/CE/CF or equivalent, SAE 15W-40 (refer to manual for specific viscosity...