This comprehensive workshop manual for Toyota Forklift Trucks, specifically models in the 5FG/5FD 10-30 series, provides detailed instructions, illustrations, and circuit diagrams to assist with operation, maintenance, and repair tasks. This manual covers a wide range of topics, including:

* **General Information:** This section covers essential information such as exterior views, vehicle listing, abbreviations, operational tips, standard bolt and nut tightening torque, high-pressure hose fitting tightening torque, frame number, wire rope suspension angle list, safe load for each wire rope suspension angle, component weight, and recommended lubricant quantity and type.
* **Periodic Maintenance and Replacement:** This section outlines the necessary periodic maintenance tasks and provides guidance on replacing lubricants and parts.
* **Engine:** Featuring in-depth information on engine performance, disassembly and assembly procedures for various engine types, tune-up instructions, and maintenance for components such as the air cleaner, radiator, muffler and exhaust pipe, battery, starting motor, alternator, accelerator pedal, clutch, clutch cover, clutch release cylinder, clutch master cylinder, clutch booster, and oil clutch system (optional).
* **Torque Converter:** This section covers hydraulic circuit diagrams, specifications, troubleshooting, component breakdown, removal, disassembly, measurement tests, and modifications.
* **Clutch:** Covering the clutch pedal, cylinders (1-ton vehicle), and lift cylinders (V-SV, FSV-FV), providing specifications, inspection guidance, and relevant information.
* **Oil Pump (1-ton vehicle):** This section outlines the specifications, components, and procedures for the oil pump.
* **Oil Control Valve:** Detailed information on specifications, components, troubleshooting, and procedures for removal, disassembly, inspection, assembly, and adjustment.
* **Three-Way Catalytic Exhaust Emission Control System:** This section explains the system's functionality and provides information for gasoline and LPG engine exhaust emission control systems.
* **Transmission:** Provides specifications, components, removal, disassembly, inspection, assembly, and adjustment instructions related to the transmission assembly, shift lever, propeller shaft, and differential.
* **Front Axle:** Covers specifications, components, removal, disassembly, inspection, assembly, and procedures for the front axle shaft hub and differential housing.
* **Rear Axle:** Detailed information on specifications, components, removal, disassembly, inspection, assembly, and procedures for the rear axle assembly, rear axle hub, steering knuckle, and king-pin.
* **Steering:** Includes specifications, components, removal, disassembly, inspection, assembly, and adjustment instructions related to the steering gear box, power cylinder, and steering link.
* **Brake:** This section covers specifications, components, removal, inspection, and assembly procedures for the front brake system, air bleeding instructions, and information about the master cylinder, brake booster, parking brake, and brake pedal.
* **Body:** Provides information about the body frame, combination meter, and wiring diagrams.
* **Material Handling System:** This section includes information on the hydraulic piping, return filter, suction strainer, natural drop test, natural forward tilt test, oil leak test, mast assembly (V, FV, FSV, SV), lift cylinder (V), rear lift cylinder (FSV-FV), tilt cylinder (V/FSV=FV), front lift cylinders (FSV=FV), and oil pump.
* **Oil Pump:** Covers specifications, components, removal, disassembly, inspection, assembly, and adjustments for the oil pump.
* **Oil Control Valve:** This section outlines specifications, components, removal, disassembly, inspection, assembly, installation, and adjustment procedures for the oil control valve and its associated link.
* **Appendix:** Includes additional supporting information.

This manual provides complete repair and maintenance information, enabling technicians and mechanics to efficiently and effectively address any issues with their Toyota Forklift Trucks.