Komatsu Forklift Truck FB25-12 FB30-12 service & repair manual

Description Komatsu Forklift Truck FB25-12 FB30-12 service & repair manual

Komatsu Forklift Truck FB25-12, FB30-12 pdf workshop service repair manual

Serial number 100001 and up

Technical data, specification, troubleshooting, maintenance, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

SERVICE MANUAL CONTENT:
Index and foreword
Foreword, safety, and general information
Safety notice
How to read the shop manual
Explanation of terms for maintenance standard
Handling of electric equipment and hydraulic component
How to read electric wire code
Precautions when carrying out operation
Standard tightening torque table
Conversion table

Specification
Specification dimensions drawing
Weight table
Oil and greasing chart
Table of fuel, coolant, and lubricants

Structure and function
Power train
Power train components
Front axle
Differential
Travel motor
Pump motor
Steering system
Steering piping diagram
Orbitrol valve
Power steering cylinder
Brake system
Brake control
Wheel brake
Brake master cylinder
Undercarriage and frame
Rear axle
Frame
Hydraulic system
Control valve piping diagram (tank to control valve)
Work equipment piping diagram (control valve to tilt cylinder/lift cylinder)
Attachment piping diagram
Work equipment control lever linkage
Hydraulic tank
Hydraulic pump
Control valve
Work equipment
Mast
Electrical system
Electrical control system
System component parts
Monitor system
KOMTRAX system
Sensor and switch

Standard value table

Testing and adjusting
Precautions before work
Related information on testing and adjusting
Tools for testing and adjusting
Power train
Adjusting accelerator pedal
Oil level check and changing oil in differential case
Brake system
Adjusting parking brake lever
Adjusting brake pedal
Adjusting wheel brake
Bleeding air from brake piping
Measuring brake performance
Hydraulic system
Releasing pressure from hydraulic piping
Testing steering oil pressure
Testing work equipment oil pressure
Checking oil level and change oil in hydraulic tank
Bleed air from lift cylinder
Emergency operation when lift lowering cannot be operated
Work equipment
Testing and adjusting work equipment lever
Measurement of amount of hydraulic drift and forward drift of hydraulic cylinder
Adjusting mast
Adjusting the lifting height detection sensor
Adjusting fork carriage
Electrical system
Checking battery electrolyte level
Checking fuse
Adjusting the charger to the source voltage tap
Special functions of monitor panel

Troubleshooting
Precautions before work
Information related to troubleshooting
Points to remember when troubleshooting
How to proceed in troubleshooting
Checks before troubleshooting
Classification and procedures of troubleshooting
Symptoms and troubleshooting numbers
Information described in troubleshooting table
Locations of fuses
Relay box arrangement and locations
Connector list
Location and removal of battery plug
Connector connection by pin No
T-box and T-adapter list
Failure codes table
Troubleshooting by failure code
Troubleshooting for hydraulic and mechanical system (E-mode)
Troubleshooting for hydraulic and mechanical system (H-mode)

Disassembly and assembly
Precautions before work
General information on disassembly and assembly
How to read this manual
Coating materials list
Special tools list
Sketches of special tools
Power train
Removal and installation of front axle assembly
Disassembly and assembly of front axle assembly
Removal and installation of pump motor
Steering system
Removal and installation of power steering cylinder assembly
Disassembly and assembly of power steering cylinder assembly
Disassembly and assembly of wheel brake assembly
Removal and installation of Orbitrol valve assembly
Disassembly and assembly of Orbitrol valve assembly
Brake system
Removal and installation of brake master cylinder assembly
Disassembly and assembly of brake master cylinder assembly
Removal and installation of parking brake lever
Undercarriage and frame
Removal and installation of rear axle assembly
Disassembly and assembly of rear axle assembly
Removal and installation of counterweight assembly
Removal and installation of hood assembly
Hydraulic system
Removal and installation of hydraulic tank assembly
Removal and installation of control valve assembly
Disassembly and assembly of control valve assembly
Removal and installation of lift cylinder assembly
Disassembly and assembly of lift cylinder assembly
Removal and installation of tilt cylinder assembly
Disassembly and assembly of tilt cylinder assembly
Disassembly and assembly of hydraulic pump assembly
Cab and its attachments
Removal and installation of operators seat assembly
Removal and installation of seat belt assembly
Removal and installation of head guard assembly
Work equipment
Removal and installation of mast assembly
Disassembly and assembly of mast assembly
Electrical system
Removal and installation of battery assembly
Removal and installation of master controller assembly
Removal and installation of inverter assembly
Removal and installation of monitor panel assembly
Removal and installation of KOMTRAX terminal
Removal and installation of combination switch assembly

Maintenance standard
Power train
Front axle
Differential
Travel motor
Pump motor
Steering system
Power steering cylinder
Brake system
Brake control
Wheel brake
Brake master cylinder
Undercarriage and frame
Rear axle
Hydraulic system
Hydraulic tank
Control valve
Work equipment
Tilt cylinder
Lift cylinder
Mast
Board

Yearly inspection criteria
Precautions before work

Diagrams and drawings
Hydraulic diagrams and drawings
Symbols used in hydraulic circuit diagrams
Hydraulic circuit diagram
Electrical diagrams and drawings
Symbols used in electrical circuit diagrams
Electric circuit diagram