Mitsubishi Gasoline/LPG Forklift FG20S FG25S FG30S Workshop Service Manual
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🏷️ Basic Information Identification Make: Mitsubishi Forklift Trucks Model: FG20S, FG25S, FG30S Model Designations: FG20S (CF54-10011-up), FG25S (CF54-50011-up), FG30S (CF55-10011-up) Product Type: Workshop Service Manual 👋 Introduction Market Position Product Category: Industrial Material Handling Equipment Competitive Analysis Competitors: Competes with other major forklift manufacturers such as Toyota, Hyster, Yale, Komatsu, and Caterpillar in the internal combustion engine forklift segment. Key Features Manual Value: Provides essential information for efficient operation, preventive maintenance, and accurate repairs, crucial for minimizing downtime and maximizing the lifespan of the forklift. Manual Content Quality: Features high-quality images, detailed circuit diagrams, and step-by-step instructions. 📋 Manual Details Coverage Areas Primary Focus: Comprehensive repair, maintenance, and troubleshooting Included Models: Mitsubishi Gasoline/LPG Forklift Truck FG-Series (FG20S, FG25S, FG30S) Page Count Total Pages: 712 Chassis Mast Manual Pages: 480 Engine Manual Pages: 232 Manual Type Type: Factory Original Workshop Service Manual Language Language: English Format Format: ZIP (Contained Set of PDF Manuals) File Organization: ZIP archive containing separate PDF files for the Chassis and Mast Service Manual and the Engine Service Manual for efficient organization. 📖 Manual Coverage Systems Covered Powertrain: Engine (Gasoline/LPG, Diesel), Powershift Transmission, Torque Converter, Front Axle, Reduction Differential, Rear Axle Chassis And Frame: Chassis, Mast Systems (Simplex, Duplex, Triplex), Forks, Overhead Guard Operating Systems: Cooling System, Electrical System, Brake System, Steering System, Hydraulic System Mast Types: Covers Simplex, Duplex, and Triplex mast systems, detailing their structure, functions, removal, installation, disassembly, inspection, and adjustment procedures. Front Axle Differential: Detailed coverage of the front axle and reduction differential, including structure, removal, installation, disassembly, inspection, repair, assembly, and troubleshooting for both 2-ton and 3-ton classes. Rear Axle: Comprehensive sections on the rear axle assembly, wheel hub, knuckle section (kingpin), steering cylinder, and tie rod, including removal, disassembly, inspection, repair, and assembly. Procedures Included Maintenance: Scheduled maintenance, lubrication, fluid changes, component inspections Repair And Rebuild: Engine mechanical, transmission overhaul, brake system repair, hydraulic component disassembly/assembly, mast component repair Troubleshooting: System-specific diagnostic procedures, fault finding charts, common issues Technical Adjustments: Cooling system adjustments, brake pedal/cable adjustments, parking brake adjustments, wheel alignment, mast roller clearance adjustment, chain tension adjustment Hydraulic System Components: Detailed procedures for hydraulic pump, control valve (inlet, lift, tilt, end cover sections), lift cylinders (various configurations), and tilt cylinders. Electrical Troubleshooting: Specific troubleshooting guides for the starter system, gauges, lighting system, alarm unit, and battery. Reading Diagrams: Includes a dedicated chapter ('How to Read Circuit Diagrams') explaining symbols, connector diagrams, and how to interpret electrical schematics. Technical Depth Depth: Detailed technical information suitable for professional technicians, including disassembly, assembly, inspection, and adjustment procedures. Special Tools: Chapter 12 lists 'Special Service Tools' required for specific maintenance and repair procedures on components like the Powershift Transmission, Front Axle, Brake System, Steering System, and Hydraulic System. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Searchable Text Print Quality Printability: Printable without restrictions Binding Type Binding: Digital Download (PDF) Paper Type Paper Type Recommendation: Recommended for printing on high-quality paper for durability in workshop environments Navigation Bookmarks: Included for easy navigation within PDF documents ⚙️ Engine Specifications Primary Engine Engine Types: Gasoline/LPG, Diesel (specific engine models vary by forklift configuration) Gasoline Lpg Engine Details: K15, K21, K25 series engines (detailed in the Engine Service Manual). Performance Performance Data: Specifications for horsepower, torque, and fuel consumption are detailed within the engine service manual chapters. Fuel System Fuel Types: Gasoline, Liquefied Petroleum Gas (LPG), Diesel Fuel System Coverage: Manual covers fuel system components, diagnosis, and repair for both gasoline/LPG and diesel variants. Cooling System Cooling System Coverage: Detailed instructions for radiator, fan belt, cooling hoses, and coolant maintenance and repair. Electrical System Electrical System Coverage: Coverage of battery, charging system, starter system, lighting, gauges, switches, and detailed circuit diagrams for Gasoline/LPG and Diesel models. Engine Control Engine Control Coverage: The Engine Service Manual includes a section on 'EC ENGINE CONTROL', covering electronic engine management and diagnostic procedures for applicable models. 🔧 Transmission Standard Transmission Type: Powershift Transmission Optional Optional Types: Not specified as optional, but details for different engine configurations (Dual Gas/LPG vs. Diesel) may imply variations. Features Torque Converter: Includes detailed structure, disassembly, assembly, and inspection of the torque converter. Control Valve: Comprehensive coverage of the control valve, including its structure, disassembly, assembly, and troubleshooting. Powershift Transmission Disassembly: Detailed steps for disassembling the torque converter transmission, including removing transmission accessories, oil pump, housing, shafts, and gears. Powershift Transmission Assembly: Comprehensive assembly instructions for the torque converter transmission, including component reassembly, installation, and adjustments. Maintenance Service Data: Includes service data for transmission components such as pump boss, pilot boss, oil pump, flexible plate, clutches, and input shaft. 📐 Dimensions Exterior General Dimensions: Chapter 1 includes 'Dimensions' for applicable truck models, likely covering overall length, width, height, and mast height. Wheel Alignment Steering: Chapter 7 (Rear Axle) includes 'Specifications for Wheel Alignment and...
Competes with other major forklift manufacturers such as Toyota, Hyster, Yale, Komatsu, and Caterpillar in the internal combustion engine forklift segment.
Key Features
Manual Value:
Provides essential information for efficient operation, preventive maintenance, and accurate repairs, crucial for minimizing downtime and maximizing the lifespan of the forklift.
Manual Content Quality:
Features high-quality images, detailed circuit diagrams, and step-by-step instructions.
📋 Manual Details
Coverage Areas
Primary Focus:
Comprehensive repair, maintenance, and troubleshooting
Chassis, Mast Systems (Simplex, Duplex, Triplex), Forks, Overhead Guard
Operating Systems:
Cooling System, Electrical System, Brake System, Steering System, Hydraulic System
Mast Types:
Covers Simplex, Duplex, and Triplex mast systems, detailing their structure, functions, removal, installation, disassembly, inspection, and adjustment procedures.
Front Axle Differential:
Detailed coverage of the front axle and reduction differential, including structure, removal, installation, disassembly, inspection, repair, assembly, and troubleshooting for both 2-ton and 3-ton classes.
Rear Axle:
Comprehensive sections on the rear axle assembly, wheel hub, knuckle section (kingpin), steering cylinder, and tie rod, including removal, disassembly, inspection, repair, and assembly.
Detailed procedures for hydraulic pump, control valve (inlet, lift, tilt, end cover sections), lift cylinders (various configurations), and tilt cylinders.
Electrical Troubleshooting:
Specific troubleshooting guides for the starter system, gauges, lighting system, alarm unit, and battery.
Reading Diagrams:
Includes a dedicated chapter ('How to Read Circuit Diagrams') explaining symbols, connector diagrams, and how to interpret electrical schematics.
Technical Depth
Depth:
Detailed technical information suitable for professional technicians, including disassembly, assembly, inspection, and adjustment procedures.
Special Tools:
Chapter 12 lists 'Special Service Tools' required for specific maintenance and repair procedures on components like the Powershift Transmission, Front Axle, Brake System, Steering System, and Hydraulic System.
📊 Manual Specifications
File Format
Format:
PDF (Portable Document Format)
Searchability:
Searchable Text
Print Quality
Printability:
Printable without restrictions
Binding Type
Binding:
Digital Download (PDF)
Paper Type
Paper Type Recommendation:
Recommended for printing on high-quality paper for durability in workshop environments
Navigation
Bookmarks:
Included for easy navigation within PDF documents
⚙️ Engine Specifications
Primary Engine
Engine Types:
Gasoline/LPG, Diesel (specific engine models vary by forklift configuration)
Gasoline Lpg Engine Details:
K15, K21, K25 series engines (detailed in the Engine Service Manual).
Performance
Performance Data:
Specifications for horsepower, torque, and fuel consumption are detailed within the engine service manual chapters.
Fuel System
Fuel Types:
Gasoline, Liquefied Petroleum Gas (LPG), Diesel
Fuel System Coverage:
Manual covers fuel system components, diagnosis, and repair for both gasoline/LPG and diesel variants.
Cooling System
Cooling System Coverage:
Detailed instructions for radiator, fan belt, cooling hoses, and coolant maintenance and repair.
Electrical System
Electrical System Coverage:
Coverage of battery, charging system, starter system, lighting, gauges, switches, and detailed circuit diagrams for Gasoline/LPG and Diesel models.
Engine Control
Engine Control Coverage:
The Engine Service Manual includes a section on 'EC ENGINE CONTROL', covering electronic engine management and diagnostic procedures for applicable models.
🔧 Transmission
Standard
Transmission Type:
Powershift Transmission
Optional
Optional Types:
Not specified as optional, but details for different engine configurations (Dual Gas/LPG vs. Diesel) may imply variations.
Features
Torque Converter:
Includes detailed structure, disassembly, assembly, and inspection of the torque converter.
Control Valve:
Comprehensive coverage of the control valve, including its structure, disassembly, assembly, and troubleshooting.
Powershift Transmission Disassembly:
Detailed steps for disassembling the torque converter transmission, including removing transmission accessories, oil pump, housing, shafts, and gears.
Powershift Transmission Assembly:
Comprehensive assembly instructions for the torque converter transmission, including component reassembly, installation, and adjustments.
Maintenance
Service Data:
Includes service data for transmission components such as pump boss, pilot boss, oil pump, flexible plate, clutches, and input shaft.
📐 Dimensions
Exterior
General Dimensions:
Chapter 1 includes 'Dimensions' for applicable truck models, likely covering overall length, width, height, and mast height.
Wheel Alignment Steering:
Chapter 7 (Rear Axle) includes 'Specifications for Wheel Alignment and Steering Angle', vital for ensuring proper handling and tire wear.
Weights
Weight Specifications:
Chapter 1 includes 'Technical Data' which likely encompasses curb weight and load capacities relevant to the FG20S, FG25S, and FG30S models.
Cargo
Load Capacity:
The model designations FG20S, FG25S, and FG30S indicate nominal load capacities of 2000 kg, 2500 kg, and 3000 kg respectively (approximately 4000, 5000, and 6000 lbs).
🛡️ Safety Features
Ratings
Safety Features Coverage:
While specific safety ratings are not listed, the manual covers critical safety systems such as Brakes, Steering, and Hydraulic systems, essential for safe operation.
Active Features
Active Safety Systems:
Brake system (master cylinder, wheel brakes, fluid lines), parking brake, steering system (valve, cylinder).
Passive Features
Passive Safety Systems:
Overhead guard (mentioned in powertrain removal), seat belt (implied for operator safety).
💡 Technology Features
Infotainment
Infotainment Systems:
N/A (Industrial forklift, focus is on operational mechanics rather than user interface technology)
Driver Assistance
Driver Assistance Features:
Basic operational controls (steering wheel, pedals), direction (FNR) switch, GAS/LPG select switch. Advanced driver-assistance systems are not typically found in this class of equipment.
Connectivity
Connectivity Features:
N/A (Industrial forklift, focus is on operational mechanics rather than user interface technology)
Electrical System Features
Meter Panel:
Detailed coverage of the meter panel, including disassembly, assembly, bulb replacement, warning lamps, indicators, hour meter, and fuel gauge.
Wiring Diagrams:
Comprehensive wiring diagrams are provided for both Gasoline/LPG and Diesel engine models, crucial for electrical system diagnostics and repair.
🔧 Maintenance
Service Intervals
Scheduled Maintenance:
Chapter 12 includes a 'Maintenance Schedule' which outlines recommended service intervals for various components and systems.
Fluid Specifications
Lubrication Chart:
Chapter 12 provides a 'Lubrication Chart' detailing recommended lubricants for different points and intervals.
Fuel Lubricant Specs:
Chapter 12 details 'Fuel and Lubricant Specifications', including recommended types and capacities for engine oil, transmission fluid, hydraulic fluid, and grease.
Oil Capacity:
Chapter 12 provides 'Adjustment Value and Oil Capacity' for various systems, including the engine and transmission.
Known Issues
Common Problems:
Troubleshooting sections within each system chapter (e.g., Electrical System, Powershift Transmission, Hydraulic System) provide guidance for diagnosing and resolving common operational issues.
Component Replacement
Periodic Replacement Parts:
Chapter 12 lists 'Periodic Replacement Parts', including 'Safety Critical Parts', advising on routine replacement to ensure operational safety and reliability.
Tightening Torques
Torque Specifications:
Chapter 12 provides 'Tightening Torques for Standard Bolts and Nuts' (Metric Fine Thread and Metric Coarse Thread), essential for correct assembly and preventing component damage.
📚 Vehicle History
Brand Heritage
Manufacturer:
Mitsubishi Forklift Trucks, a division of Mitsubishi Heavy Industries, is a globally recognized manufacturer with a long history in industrial equipment.
Model Evolution
Series Designation:
The FG-Series represents Mitsubishi's line of internal combustion engine (ICE) forklifts, specifically designed for versatility and reliability in various material handling applications.
Production
Serial Number Location:
Manual provides specific locations for serial number identification, crucial for tracking production and specific configurations.
🏆 Awards & Recognition
Recognitions
Industry Recognition:
Mitsubishi Forklift Trucks is a recognized leader in the material handling industry, known for producing durable and reliable equipment.
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