Model:
20D-7, 25D-7, 30D-7, 33D-7 Forklift Truck
Model Codes:
20D-7, 25D-7, 30D-7, 33D-7
Platform:
Specific to 7-Series Forklift Trucks
Segment:
Industrial Forklift Trucks (Diesel powered)
Users:
Owner/operators, maintenance personnel, repair technicians.
Usability:
Easy to read type, provides all necessary information for correct procedure execution.
Maintenance Benefit:
Emphasizes saving time and money through preventive maintenance, preventing premature failure and unnecessary repairs.
Scope:
Comprehensive workshop service and repair
Specific Models:
Hyundai 20D-7, 25D-7, 30D-7, 33D-7 Forklift Trucks
Estimated Pages:
Detailed, but specific page count not provided in product info; extensive coverage implied.
Type:
Workshop Service Repair Manual
Purpose:
Repair and Service Manual
Delivery Method:
Digital Download
Primary Systems:
Power Train System, Brake System, Steering System, Hydraulic System, Electric System
General Systems:
General Information (Safety, Specifications, Periodic Replacement), Unit Function (Structure, Removal/Installation)
Power Train:
Structure and Operation, Troubleshooting, Disassembly and Assembly of the power train system.
Brake System:
Structure and function, Operational checks and troubleshooting, Test and adjustment.
Steering System:
Structure and function, Operational checks and troubleshooting, Disassembly and assembly.
Hydraulic System:
Structure and function, Operational checks and troubleshooting, Disassembly and assembly.
Electric System:
Component location, Electrical circuit diagrams, Component specifications, Troubleshooting.
General Info:
Safety Hints, Specifications, Periodic Replacement.
Unit Function:
Structure, Removal and installation of units.
Maintenance:
Periodic maintenance, preventive maintenance
Repair And Diagnostics:
Troubleshooting, Disassembly and Assembly, Test and Adjustment, Removal and Installation
Installation:
Removal and installation of key units and components.
Troubleshooting:
Detailed troubleshooting guides for all major systems including Power Train, Brake, Steering, Hydraulic, and Electric.
Depth:
Suitable for amateur to professional technicians; covers structure, operation, troubleshooting, and repair procedures.
Diagnostic Capability:
Advanced diagnostic procedures and troubleshooting guides for all major systems.
Component Level Repair:
The 'Disassembly and assembly' sections indicate a high level of detail for component-level repair and rebuild.
Searchable:
PDF format typically allows for text searching of keywords, enhancing usability.
Operating Systems:
All Versions of Windows & Mac
Software Required:
Adobe PDF Reader
Quality:
Assumed high quality digital reproduction suitable for clear printing and on-screen viewing.
Clarity Of Diagrams:
PDF format usually ensures clarity of technical diagrams and schematics essential for repair.
Engine Type:
Diesel (implied by 'D' in model name)
Displacement And Power:
Models indicate different capacity ratings (e.g., 2.0, 2.5, 3.0, 3.3 ton capacity), suggesting varied engine displacements and power outputs across the range.
Engine Manufacturer:
Likely powered by an industrial diesel engine from a reputable manufacturer such as Yanmar, Isuzu, or similar, specified in the manual.
Torque:
Specific torque figures for engine components would be detailed within the manual's disassembly and assembly sections.
Horsepower:
Horsepower ratings would vary by specific engine model used in each forklift variant and are documented in the manual's specifications.
Type:
Likely hydrostatic or torque converter automatic transmission, common in industrial forklifts.
Operation:
Covered under 'Power Train System' with structure, operation, troubleshooting, disassembly, and assembly details.
Load Capacity:
2.0 to 3.3 metric tons (indicated by model numbers 20D-7, 25D-7, 30D-7, 33D-7).
General Size:
Specific dimensions are not provided but are extensively detailed within the manual's 'Specifications' section.
Lift Height:
Lift height specifications would be included in the 'Specifications' section of the manual.
Fork Length:
Fork length specifications are typically provided in the manual's 'Specifications' section.
Operating Weight:
Operating weight and gross vehicle weight ratings are found in the manual's specifications.
Manual Coverage:
Dedicated 'Safety Hints' group within the General section, covering operational and maintenance safety procedures.
Features:
Standard safety features for forklifts of this era would include load stability controls, operator presence systems, ROPS (Roll-Over Protective Structure), and audible/visual warnings. Detailed specifications would be in the manual.
Components And Diagnostics:
Detailed coverage includes component location, electrical circuits, component specifications, and troubleshooting for the electric system.
Controls:
The manual covers steering, brake, and hydraulic controls, implying detailed information on their operation and adjustment.
Features:
Not applicable for industrial forklift trucks in this context.
Preventive Maintenance:
Covered under 'Periodic replacement' and implies detailed schedules for routine checks and component replacements to prevent premature failure.
Engine Oil Change:
Typically every 250-500 operating hours, detailed in the 'Periodic replacement' section.
Filter Replacement:
Scheduled replacement for oil filters, fuel filters, and hydraulic filters alongside fluid changes.
Hydraulic Filter Replacement:
Regular replacement of hydraulic filters is critical for system longevity and is detailed in the manual.
Lubricants And Fluids:
Specific fluid types, capacities, and change intervals (e.g., engine oil, hydraulic fluid, transmission fluid, coolant, brake fluid) are detailed in the 'Specifications' and 'Periodic replacement' sections.
Engine Oil Grade:
Likely SAE 15W-40 or similar diesel engine oil, as per specifications in the manual.
Hydraulic Fluid Type:
Typically AW ISO VG 32 or VG 46 hydraulic oil, detailed in the manual.
Transmission Fluid Type:
Specific transmission fluid (e.g., ATF Dexron III/Mercon, or specialized gear oil) will be listed in the manual.
Common Faults:
The troubleshooting sections within each system chapter are designed to address common issues and provide diagnostic procedures.
Diagnostic Tools:
The manual would likely detail specific diagnostic procedures and potentially required special tools for troubleshooting.
Manufacturer:
Hyundai Heavy Industries (Forklift Division)
Series Designation:
The '7' designation indicates the 7-Series of Hyundai forklift trucks, representing a specific generation of design and technology.
Estimated Production Period:
The '7-Series' designation suggests a specific generation, likely produced in the 2000s or early 2010s, with exact years detailed in the manual's history or specifications.
