Equipment Type:
Industrial Material Handling Equipment
Target User:
Forklift technicians, mechanics, maintenance engineers, and fleet managers.
Competitor Brands Forklifts:
Toyota, Komatsu, Hyster, Yale, Caterpillar (for forklifts of similar capacity).
Engine Market Position:
Mitsubishi's 4G series engines are known for their reliability and are widely used in various automotive and industrial applications, including forklifts.
Manual Value Proposition:
Provides essential, in-depth technical information for maintaining and repairing the Mitsubishi FG35A forklift, specifically focusing on the 4G63/4G64 gasoline engines.
Technical Accuracy:
Authoritative source for correct procedures, specifications, and troubleshooting guidance, crucial for efficient and safe operation.
Engine Mechanical:
Disassembly, inspection, assembly, overhaul procedures for 4G63 and 4G64 gasoline engines, including cylinder head, block, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system.
Engine Fuel System:
Fuel pump, carburetor (if applicable to specific FG35A variants), fuel injectors, fuel lines, fuel filter replacement, fuel system diagnosis.
Engine Ignition System:
Spark plugs, ignition coils, distributor (if applicable), ECU ignition control, ignition timing adjustment.
Engine Emission Control:
EGR system, PCV system, catalytic converter (if fitted), emission control component testing and diagnosis.
Cooling System:
Radiator, thermostat, water pump, hoses, fan, coolant specifications, system flushing and maintenance.
Lubrication System:
Oil pump, oil filter, oil pan, oil pressure specifications, oil change intervals and specifications.
Transmission System:
Forklift transmission (type not specified, but would cover operation, maintenance, fluid checks, and common repair procedures).
Hydraulic System:
Lift and tilt cylinders, hydraulic pump, control valves, hydraulic fluid specifications, troubleshooting and repair of hydraulic functions.
Electrical System:
Battery, starter, alternator, wiring diagrams, lighting system, safety interlocks, diagnostic connectors.
Chassis And Steering:
Steering column, tie rods, steering linkage, chassis lubrication, frame inspection.
Braking System:
Brake pedal, master cylinder, brake lines, calipers/wheel cylinders, brake pads/shoes, parking brake, brake fluid specifications.
Mast And Attachments:
Mast assembly, forks, side shifter (if applicable), roller maintenance, lubrication, inspection.
Scheduled Maintenance:
Routine checks, fluid level checks, filter replacements, lubrication points, service intervals.
Diagnostic Troubleshooting:
Step-by-step guides for identifying and resolving common faults and issues across all covered systems.
Component Removal Installation:
Detailed instructions for the removal and installation of major and minor components.
Overhaul Rebuild:
Comprehensive procedures for the complete disassembly, inspection, repair, and reassembly of engine and other major components.
Torque Specifications:
Essential torque values for critical fasteners throughout the forklift.
Special Tools:
Identification and usage of specialized tools required for certain repair or maintenance tasks.
Depth:
Comprehensive (covers from basic maintenance to complete engine rebuilds and major system overhauls).
Diagnostics:
Advanced diagnostic procedures, including electrical circuit tracing and component testing.
Specifications:
Detailed technical specifications, tolerances, clearances, and performance data.
Engine Family:
Mitsubishi 4G Series
Engine Displacement 4G63:
2.0 L (1997 cc)
Engine Displacement 4G64:
2.4 L (2351 cc)
Engine Configuration:
Inline 4-cylinder, SOHC or DOHC depending on specific variant.
Horsepower Range Approx:
Typically in the 70-90 HP range for forklift applications, depending on specific engine tune and load.
Torque Range Approx:
Torque delivery optimized for forklift operation, emphasizing low-end grunt.
Fuel Delivery:
Could be carburetor or fuel injection depending on the FG35A model year and specification. Manual will detail specific system.
Ignition System:
Distributor-based or distributorless ignition system (DIS), depending on variant.
Engine Oil Change:
Typically every 250-500 operating hours, or annually. Manual will specify exact interval.
Air Filter Replacement:
Dependent on operating environment, but recommended at regular intervals or when visually inspected as dirty.
Spark Plug Replacement:
Typically every 500-1000 operating hours, or as per manual recommendation.
Engine Oil Spec:
Likely SAE 10W-30 or 10W-40 API SG/SH or higher. Manual will provide exact specification (e.g., Mitsubishi Genuine Oil).
Coolant Spec:
Ethylene Glycol based antifreeze, mixed 50/50 with distilled water. Manual will confirm capacity and type.
Hydraulic Fluid Spec:
ISO VG 32 or 46 hydraulic oil is common. Manual will specify type and capacity for the FG35A's hydraulic system.
Engine 4G6X Common Issues:
Head gasket leaks, oil consumption in higher mileage engines, timing belt (if belt-driven) wear, ignition component failures.
Forklift Fg35A Common Issues:
Hydraulic system leaks, mast chain adjustments, brake wear, wear on lift mechanism components.