The CLARK CQ20D, CQ20L, CQ25D, CQ25L, CQ30D, and CQ30L series represent a line of robust Internal Combustion Forklifts engineered for efficient material handling. These forklifts are powered by reliable internal combustion engines, offering a range of fuel options including Diesel, Petrol, and LPG, with engine displacements varying across models. Designed for demanding operational environments, they provide a load-rated capacity between 2000-3000KG. The engineering quality of these CLARK forklifts is evident in their comprehensive systems, encompassing hydraulic, braking, steering, electrical, fuel, and structural components, all built to ensure durability and performance in material handling applications.
This Workshop Service Repair Manual provides essential information for the maintenance and repair of CLARK CQ20D, CQ20L, CQ25D, CQ25L, CQ30D, and CQ30L forklifts. It covers a wide array of critical areas, including detailed maintenance schedules, specific engine maintenance procedures, and a comprehensive troubleshooting guide to address operational issues. The manual also delves into the technical specifications of various systems, such as the hydraulic, braking, steering, electrical, and fuel systems, along with details on structural components and wheel/tire systems. Its purpose is to equip owners, mechanics, and technicians with the knowledge required to effectively maintain, service, and repair these internal combustion forklifts, ensuring their continued optimal performance and longevity.
CLARK CQ 20 25 30 D & L COMBUSTION FORKLIFT WORKSHOP SERVICE REPAIR MANUAL
APPLICABLE MODEL:
CLARK CQ20D, CQ20L
CLARK CQ25D, CQ25L
CLARK CQ30D, CQ30L
LOAD/RATED CAPACITY: 2000-3000KG
ENGINE COVERED:
3.053L 4-CYLINDER VERTICAL IN-LINE, LIQUID-COOLED, YANMAR 4TNE94L EPA TIER-2 DIESEL ENGINE
3.319L 4-CYLINDER VERTICAL IN-LINE, LIQUID-COOLED, YANMAR 4TNE98 EPA TIER-3 DIESEL ENGINE
2.350L 4-CYLINDER IN-LINE, 4-CYCLE, WATER-COOLED, OHC, 4G64 PETROL POWERED ENGINE
2.350L 4-CYLINDER IN-LINE, 4-CYCLE, WATER-COOLED, OHC, 4G64 LPG POWERED ENGINE
2.359L 4-CYLINDER IN-LINE, WATER-COOLED, DOHC, HMC(HYUNDAI) THETA LPG POWERED ENGINE
CONTENTS:
GENERAL INFORMATION
PERIODIC SERVICE
MAINTENANCE SCHEDULE
SAFETY & PRE-CAUTION
ENGINE SPECIFICATION
ENGINE SYSTEM
FUEL SYSTEM
COOLING SYSTEM
LUBRICATION SYSTEM
STARTER MOTOR SYSTEM
ALTERNATOR SYSTEM
ENGINE OVERHAUL
ENGINE REMOVAL
ENGINE RE-INSTALLATION
RPM-VACUUM-STALL TEST
ENGINE TUNE-UP
ELECTRICAL SYSTEM
EMISSION CONTROL
ENGINE OIL & FILTER
RADIATOR-LPG CARBURETOR
VAPORIZER & REGULATOR
AIR GOVERNOR SYSTEM
LPG SYSTEM OVERVIEW
LPG INSTALLATION SYSTEM
AIR INDUCTION SYSTEM
EXHAUST SYSTEM
TRANSAXLE SYSTEM
IGNITION SYSTEM
ELECTRICAL COMPONENTS
INSTRUMENT POD
WHEELS & TIRES
BRAKE SYSTEM
INCHING PEDAL & LINKAGES
PARKING BRAKE SYSTEM
STEERING COLUMN
STEERING GEAR SYSTEM
STEER AXLE SYSTEM
HYDRAULIC SUMP & FILTER
HYDRAULIC PUMP SYSTEM
HYDRAULIC CONTROL VALVE
LIFT CIRCUIT SYSTEM
HYDRAULIC DIAGRAM
TILT CYLINDER SYSTEM
UPRIGHT & CARRIAGE
COUNTERWEIGHT SYSTEM
OPERATORS CELL & GUARD
FLOORBOARD-COWLS-SEAT
SERVICE TOOLS OVERVIEW
TROUBLESHOOTING
ELECTRICAL CIRCUIT DIAGRAM
This is a very comprehensive manual (DOWNLOAD in PDF format) for CLARK CQ 20 25 30 D & L COMBUSTION FORKLIFT, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
CLARK CQ 20 25 30 D & L COMBUSTION FORKLIFT WORKSHOP SERVICE REPAIR MANUAL
APPLICABLE MODEL:
CLARK CQ20D, CQ20L
CLARK CQ25D, CQ25L
CLARK CQ30D, CQ30L
LOAD/RATED CAPACITY: 2000-3000KG
ENGINE COVERED:
3.053L 4-CYLINDER VERTICAL IN-LINE, LIQUID-COOLED, YANMAR 4TNE94L EPA TIER-2 DIESEL ENGINE
3.319L 4-CYLINDER VERTICAL IN-LINE, LIQUID-COOLED, YANMAR 4TNE98 EPA TIER-3 DIESEL ENGINE
2.350L 4-CYLINDER IN-LINE, 4-CYCLE, WATER-COOLED, OHC, 4G64 PETROL POWERED ENGINE
2.350L 4-CYLINDER IN-LINE, 4-CYCLE, WATER-COOLED, OHC, 4G64 LPG POWERED ENGINE
2.359L 4-CYLINDER IN-LINE, WATER-COOLED, DOHC, HMC(HYUNDAI) THETA LPG POWERED ENGINE
CONTENTS:
GENERAL INFORMATION
PERIODIC SERVICE
MAINTENANCE SCHEDULE
SAFETY & PRE-CAUTION
ENGINE SPECIFICATION
ENGINE SYSTEM
FUEL SYSTEM
COOLING SYSTEM
LUBRICATION SYSTEM
STARTER MOTOR SYSTEM
ALTERNATOR SYSTEM
ENGINE OVERHAUL
ENGINE REMOVAL
ENGINE RE-INSTALLATION
RPM-VACUUM-STALL TEST
ENGINE TUNE-UP
ELECTRICAL SYSTEM
EMISSION CONTROL
ENGINE OIL & FILTER
RADIATOR-LPG CARBURETOR
VAPORIZER & REGULATOR
AIR GOVERNOR SYSTEM
LPG SYSTEM OVERVIEW
LPG INSTALLATION SYSTEM
AIR INDUCTION SYSTEM
EXHAUST SYSTEM
TRANSAXLE SYSTEM
IGNITION SYSTEM
ELECTRICAL COMPONENTS
INSTRUMENT POD
WHEELS & TIRES
BRAKE SYSTEM
INCHING PEDAL & LINKAGES
PARKING BRAKE SYSTEM
STEERING COLUMN
STEERING GEAR SYSTEM
STEER AXLE SYSTEM
HYDRAULIC SUMP & FILTER
HYDRAULIC PUMP SYSTEM
HYDRAULIC CONTROL VALVE
LIFT CIRCUIT SYSTEM
HYDRAULIC DIAGRAM
TILT CYLINDER SYSTEM
UPRIGHT & CARRIAGE
COUNTERWEIGHT SYSTEM
OPERATORS CELL & GUARD
FLOORBOARD-COWLS-SEAT
SERVICE TOOLS OVERVIEW
TROUBLESHOOTING
ELECTRICAL CIRCUIT DIAGRAM
This is a very comprehensive manual (DOWNLOAD in PDF format) for CLARK CQ 20 25 30 D & L COMBUSTION FORKLIFT, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
