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Mitsubishi FG25 Forklift Service Manual (99719-11400)

Format: PDF (Printable Document)

File Language: English

File Pages: 1894

File Size: 117.64 MB (Speed Download Link)

File Count: 139 PDF files

Brand: Mitsubishi

Model: FG25

Equipment Type: Forklift

Book No: 99719-11400

Serial No: F17B-53947-up

Type of Document: Service Manual

Categories: ,

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Mitsubishi FG25 Forklift Service Manual (99719-11400)

This FG25 is a class 4 internal-combustion counterbalanced truck that spends its life loading trailers, staging pallets, and working the yard. The service manual is what I pull when I'm setting valve lash, chasing a no-start, or checking hydraulic pressures to sign off a warranty claim. If you're trying to keep an F17B-series FG25 safe, reliable, and within spec, this is the book you work from, not the little operator's booklet on the dash.

What this manual helps you do

  • Diagnose engine, ignition, and fuel issues on the LPG/gasoline powertrain and confirm repairs with the right checks
  • Trace wiring and check electrical components using the factory diagrams and test procedures
  • Follow step-by-step teardown and reassembly of the powershift transmission, drive axle, and brake components
  • Adjust steering, hydraulic valves, mast chains, and linkages to factory specs after parts replacement
  • Troubleshoot hydraulic problems, pressure-test circuits, and verify correct operation of mast and attachments

Who this is for

This is for warehouse or plant maintenance techs, dealer techs, independent forklift shops, and rental fleet mechanics working on Mitsubishi FG25 trucks in the F17B-53947-up serial range. If you just need operating instructions or safety decals, you want the operator's handbook, not this manual.

FAQ

Q: What format is it in, and can I search the text?

A: It's a multi-file PDF set, split by section. It's a scanned image manual, so you can zoom and print, but you can't text-search it.

Q: Will it match my exact truck?

A: It's written for FG25 trucks with serial numbers F17B-53947 and up. If your plate shows a different prefix or earlier range, this may not be the right one.

Q: Is this the right thing for routine checks and repairs?

A: Yes, if you're doing real shop work like diagnostics, adjustments, and rebuilds. For parts ordering, you still need the separate parts catalog.

Bottom line: If you have an FG25 in the F17B-53947-up range and you're the one turning wrenches on it, this is the correct service manual.

Models covered by this manual

Mitsubishi publication 99719-11400 is the factory service manual for the FG25, serial range F17B-53947-up. The same publication covers 13 further forklift models: FD10, FD15, FD18, FD20, FD25, FD30, FD35A, FG10, FG15, FG18, FG20, FG30 and 1 more. Check the model and serial number on your data plate before ordering.

📘 Show Index

Table of Contents:

  • Chassis, Mast and Options (99719-10100)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Clutches
    • Manual Transmission
    • PowerShift Transmissions
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Troubleshooting
    • Service Data
  • Chassis and Mast (99719-11400)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Electrical Schematics
    • Power Train
    • Clutches
    • Manual Transmission
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
  • Engine 4G33, 4G52, 4G54 (99719-42120)
    • Foreword
    • General Information
    • Engine Proper
    • Lubrication System
    • Fuel System
    • Cooling System
    • Electrical Equipment
    • Service Tools
    • Service Data
    • Trouble Shooting
    • Inspection Guide
  • Chassis (99719-53100)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Clutches
    • Manual Transmission
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Masts and Forks
    • Troubleshooting
    • Service Data
  • Chassis and Mast (99719-54100)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Electrical Schematics
    • Power Train
    • Clutches
    • Manual Transmission
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Troubleshooting
    • Service Data
  • Engine – 4G63, 4G64 Gasoline (99729-14110)
    • Foreword
    • General Information
    • Service Specifications
    • Tightening Torque
    • Sealant
    • Special Tools
    • Engine Adjustment
    • Alternator and Ignition System
    • Timing Belt
    • Fuel System
    • Intake Manifold
    • Exhaust Manifold and Water Pump
    • Rocker Arms and Camshaft
    • Cylinder Head and Valves
    • Front Case and Oil Pan
    • Piston and Connecting Rod
    • Crankshaft and Cylinder Block
    • Carburetor
    • Air Governor
    • Alternator
    • Starter Motor
    • Distributor
    • Troubleshooting
  • Engine – 4G63, 4G64 Gasoline (99729-74120)
    • Foreword
    • General Information
    • Service Specifications
    • Tightening Torque
    • Sealant
    • Special Tools
    • Engine Adjustment
    • Alternator and Ignition System
    • Spark Plug Cables
    • Timing Belt
    • Fuel System
    • Lubrication System
    • Cooling System
    • Intake Manifold
    • Exhaust Manifold and Water Pump
    • Rocker Arms and Camshaft
    • Cylinder Head and Valves
    • Front Case and Oil Pan
    • Piston and Connecting Rod
    • Crankshaft and Cylinder Block
    • Carburetor
    • Air Governor
    • Alternator
    • Starter Motor
    • Distributor
    • Troubleshooting
  • Liquefied Petroleum Gas Supplement (99729-75100)
    • Foreword
    • Types of LP Gas
    • Structure and Function
    • Actions to be taken in the event of a failure
    • Troubleshooting
    • Disassembly and Reassembly
    • Inspection and Adjustment
    • CARB Tier 1 Emissions Control System
    • Systems Operations
    • Subsystem Operating Principles
    • System Adjustments
    • S-15G Troubleshooting
    • Vacuum System Diagram and Wiring Schematics
    • Inspection and Adjustment

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