This manual provides detailed technical information for Mitsubishi Forklift Trucks, specifically focusing on the Wet Disc Brake System Supplement for the FD, FG, and FGE series. These robust material handling vehicles, designed for demanding industrial environments, offer reliable performance and durability, with lift capacities ranging from 2.0 to 3.5 tons. The models covered include FG20N, FG20HN, FG25N, FG25HN, FG30N, FG35N, FD20N, FD25N, FD30N, and FD35N, with specific serial number ranges provided for precise identification. Mitsubishi Forklift Trucks are engineered for efficiency and safety, with the wet disc brake system being a key feature that ensures consistent braking performance and extended component life.
This service manual supplement is designed to assist service technicians, mechanics, and maintenance personnel in understanding, maintaining, and repairing the specified Mitsubishi Forklift Truck models. It offers comprehensive coverage of the wet disc brake system, including detailed procedures for disassembly, reassembly, hydraulic pressure measurement, and parking brake release. Additionally, the manual provides information on the electrical system, controllers and diagnostic codes (D-codes), powertrain for MC models, torque converter drive, transmission adjustments, front axle and reduction differential servicing, and general maintenance schedules and specifications. Its structured format and detailed technical data aim to ensure accurate diagnostics and efficient repairs, contributing to the optimal performance and longevity of the equipment.
Make:
Mitsubishi Forklift Trucks
Product Name:
Mitsubishi FD FG & FGE Series Forklift Truck - Wet Disc Brake System Supplement
Product Format:
PDF Download
Vehicle Type:
Forklift Truck
Applicable Models And Serial Numbers:
FG20N (EF17DL-01001-up), FG20HN (EF17DL-01001-up), FG25N (EF17DL-53001-up), FG25HN (EF17DL-53001-up), FG30N (EF13FL-02001-up), FG35N (EF13FL-51001-up), FD20N (EF18C-01001-up), FD25N (EF18C-55001-up), FD30N (EF14E-03001-up), FD35N (EF14E-52001-up)
Series Designations:
FD, FG, FGE
Target Audience:
Service technicians, mechanics, and maintenance personnel responsible for Mitsubishi Forklift Trucks.
Industry Segment:
Material handling equipment, specifically internal combustion engine forklifts.
Value Proposition:
Provides specialized, in-depth information on the critical wet disc brake system, supplementing general service manuals for enhanced repair accuracy and efficiency.
System Specialization:
Dedicated focus on the wet disc brake system, a key component for forklift performance and safety.
Complementary Information:
References other service manuals for 1.5-3.5 ton models, indicating a systematic approach to documentation and encouraging comprehensive understanding.
Primary Focus:
Wet Disc Brake System
Secondary Coverage:
General Overview, Electrical System (Wiring, Instrument Panel, Schematics), Controllers (Functions, D-codes), Power Train (MC models), Torque Converter Drive, Transmission (Brake Pedal/Inching Pedal Adjustment), Front Axle and Reduction Differential (Removal, Installation, Disassembly, Reassembly), Brake System (Disassembly, Reassembly, Hydraulic Pressure Measurement, Parking Brake Release), Service Data (Maintenance Schedule, Inspected Parts, Oil Standards, Special Tools)
Other Systems Reference:
Directs users to consult main service manuals for 1.5 - 3.5 tons models for items other than wet disc brakes, implying this is a focused supplement.
Estimated Pages:
Not explicitly stated, but inferred to be comprehensive for the specified systems. Likely 100+ pages based on chapter index.
Type:
Service Manual Supplement
Purpose:
Technical guide for maintenance, repair, and troubleshooting.
Language:
English (assumed from product description and standard industry practice)
Brake System Details:
Detailed procedures for wet disc brake system disassembly, reassembly, hydraulic pressure measurement, and forcible release of the parking brake.
Electrical System:
Vehicle Electronic System Wiring, Instrument Panel, Electrical Schematics.
Controller Systems:
Main functions of each controller and a list of diagnostic codes (D-codes).
Powertrain And Transmission:
Removal and installation procedures for MC models, torque converter drive, and brake/inching pedal adjustment.
Axle And Differential:
Removal, installation, disassembly, and reassembly procedures for the front axle and reduction differential.
General Overview:
Provides a foundational understanding of the forklift's systems.
Power Train Mc Models:
Includes removal and installation procedures for specific Power Train (MC) models, indicating a broader scope than just brakes for certain configurations.
Maintenance:
Maintenance schedule, periodically inspected parts, supply oil standards.
Diagnostics:
Troubleshooting based on D-codes for controllers, hydraulic pressure measurement for brake system.
Repair And Rebuild:
Disassembly and reassembly procedures for brake system, front axle, and reduction differential. Power train removal and installation for MC models.
Adjustments:
Brake pedal and inching pedal adjustment.
Hydraulic Pressure:
Includes measurement of hydraulic pressure within the brake system, a critical diagnostic step.
Depth Of Information:
Comprehensive, covering disassembly, reassembly, diagnostics, and maintenance for the specified systems. Designed for service professionals and technicians.
Diagnostic Codes:
Provides a list of D-codes, enabling technicians to diagnose electronic control unit (ECU) related issues within the forklift's systems.
Searchability:
PDF format allows for text search, enabling quick location of specific information.
Printability:
PDF is typically printable, allowing for hard-copy reference.
Accessibility:
Digital format allows for easy distribution and access for technicians worldwide.
Illustrations:
Expected to include detailed diagrams and illustrations common in Mitsubishi service manuals.
Physical Manual Binding:
N/A (Digital PDF)
Physical Manual Paper:
N/A (Digital PDF)
Engine Designations:
EF17DL, EF13FL, EF18C, EF14E (specific engine models vary by forklift model)
Engine Type Indicator:
Engine codes (EF17DL, EF13FL, etc.) suggest specific Mitsubishi industrial engines, likely gasoline-powered variants for the FG series and potentially diesel for the FD series. This supplement focuses on the brake system, not engine specifics.
Horsepower And Torque:
Specific figures not provided in this supplement, but are essential for technicians to consult the main service manual or datasheets.
Fuel Type:
Likely gasoline (indicated by 'FG' series and engine designations) and potentially diesel ('FD' series), though this supplement is not engine-specific.
Transmission Type:
Automatic transmission (Torque Converter Drive) is implied by the mention of 'Torque Converter Drive' and 'Brake Pedal (Inching Pedal) Adjustment'.
Inching Functionality:
The manual covers adjustment of the inching pedal, which is a critical feature for precise load handling and maneuvering in forklifts.
Optional Transmission:
N/A (This supplement focuses on a specific component, not transmission variants).
Lift Capacities:
Implied lift capacities range from 2.0 to 3.5 tons based on model numbers (e.g., FG20N, FD35N).
Model Capacities Range:
2.0 to 3.5 tons.
Vehicle Weight:
Specific weight data not provided in this supplement, but is typically detailed in main service manuals.
Safety Standards:
Focus on brake system maintenance directly contributes to operational safety and compliance with industrial equipment safety standards.
Braking Performance:
The wet disc brake system is designed for reliable and consistent performance in demanding industrial environments, offering superior heat dissipation and durability compared to dry brakes.
Brake System Type:
Wet Disc Brake System, known for its durability, consistent performance, and resistance to contamination.
Parking Brake:
Includes procedures for forcible release of the parking brake, a crucial safety and maintenance function.
Infotainment Systems:
N/A - Forklift truck technology is focused on operational efficiency and safety, not consumer infotainment.
Braking Enhancements:
The wet disc brake system itself is an advanced technological feature providing enhanced durability and performance over traditional braking systems.
Diagnostic Interface:
The mention of 'D-codes' implies an electronic diagnostic system that can be accessed, likely via a specialized interface on the forklift.
Brake System Checks:
While specific intervals are not listed here, the manual emphasizes regular and proper servicing, implying that brake system checks are a routine part of maintenance schedules.
Hydraulic Fluid Type:
The manual details procedures for 'Supply Oil Standard,' which would include specifications for the hydraulic fluid used in the wet disc brake system. This fluid is typically specialized for wet brake applications to ensure proper friction and cooling.
Brake Fluid Type:
Likely a specialized hydraulic fluid formulated for wet brake applications, such as ISO VG 46 or similar, requiring specific viscosity and lubrication properties.
Common Brake Problems:
While not explicitly listed, the detailed diagnostic and repair sections for the wet disc brake system suggest common areas of concern might include fluid contamination, seal wear, or adjustments related to braking performance.
Common Wet Brake Issues:
Potential issues include premature wear of friction plates and seals if incorrect fluid is used, overheating due to insufficient cooling (though wet brakes mitigate this), and contamination of the brake fluid.
Tool Requirements:
The 'List of Special Tools' section indicates that specific tools are required for proper servicing of the brake system and other components, a hallmark of professional service documentation.
Manufacturer:
Mitsubishi Forklift Trucks is a globally recognized manufacturer with a long history of producing robust and reliable material handling equipment.
Series Context:
The FD, FG, and FGE series represent a range of internal combustion engine forklifts, with this supplement focusing on a specific, important component common across these lines.
Production Era:
Serial numbers indicate models produced from the early 2000s onwards, but exact production years are not specified.
Industry Awards:
Mitsubishi Forklift Trucks generally receives accolades for durability and reliability, which are indirectly reflected in the quality of their service documentation.
