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Mitsubishi FGC70K STC Forklift Service Manual (99739-7D100)

Format: PDF (Printable Document)

File Language: English

File Pages: 2991

File Size: 142.83 MB (Speed Download Link)

File Count: 112 PDF files

Brand: Mitsubishi

Model: FGC70K STC

Equipment Type: Forklift

Book No: 99739-7D100

Serial No: AF89B-10011-up

Type of Document: Service Manual

Categories: ,

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Mitsubishi FGC70K STC Forklift Service Manual (99739-7D100)

This Mitsubishi FGC70K STC is a big cushion-tire LPG counterbalance truck you see in foundries, steel warehouses, and heavy production plants. The service manual is what the tech reaches for when the truck is out of warranty and something expensive is acting weird: hard starting, no lift, dead hydraulics, mystery codes, or a transmission that slips hot. Around my shop, this is the book we use when we actually have to open something up, not just swap a filter and hope.

What this manual helps you do

  • Diagnose LPG engine issues, trace fuel and ignition problems, and follow the steps to tear down and reassemble the power unit
  • Check, adjust, and replace powershift transmission components, drive axle parts, and the reduction differential on the FGC70K STC
  • Trace electrical faults using wiring diagrams, verify sensor and switch signals, and chase down no-start or no-move complaints
  • Rebuild and adjust hydraulic valves, pumps, and cylinders, and pressure-test the hydraulic system for weak lift or tilt
  • Set steering, brake, and mast adjustments so the truck tracks straight, stops correctly, and the mast runs smooth and square

Who this is for

This is aimed at warehouse maintenance techs, dealer and independent shop mechanics, and rental fleet guys who actually wrench on FGC70K STC trucks. If you just need operating instructions or safety info, you want the operator's handbook, not this.

FAQ

Q: What format is it in, and can I search it and read the wiring diagrams?

A: You get 112 PDF files split by section, with a real text layer, so you can search and zoom in on wiring and hydraulic schematics.

Q: Will this cover my truck's serial number?

A: It's written for FGC70K STC trucks in the AF89B-10011-up range. If your plate shows that prefix and serial pattern, you're in the right place.

Q: Is this the right document if I'm doing full repairs?

A: Yes, this is the workshop-level service manual, meant for teardown, adjustment, and troubleshooting, not just basic checks.

If your truck is an FGC70K STC in that serial range and you're doing real repair work, this is the right manual. If the model or serial don't match, don't buy it.

Models covered by this manual

Mitsubishi publication 99739-7D100 is the factory service manual for the FGC70K STC, serial range AF89B-10011-up. The same publication covers 9 further forklift models: FGC35K, FGC40K, FGC40K STC, FGC45K C, FGC45K STC, FGC55K, FGC55K STC, FGC60K, FGC70K. Check the model and serial number on your data plate before ordering.

📘 Show Index

Table of Contents:

  • Chassis and Mast (99739-7D100)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle And Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast And Forks
    • Service Data
    • How To Read Circuit Diagrams
    • Circuit Diagrams
    • Engine Schematic
  • Chassis and Mast (99739-70130)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Masts and Forks
    • Service Data
  • Chassis and Mast (99739-72100)
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Transmission
    • Front Axle
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
  • 99739-72110
    • Chassis and Mast: Foreword
    • Chassis, Mast: General Information
    • Chassis and Mast: Cooling System
    • Chassis, Mast: Electrical System
    • Chassis and Mast: Power Train
    • Chassis, Mast: Powershift Transmission
    • Chassis and Mast: Front Axle and Reduction Differential
    • Chassis, Mast: Rear Axle
    • Chassis and Mast: Brake System
    • Chassis, Mast: Steering System
    • Chassis and Mast: Hydraulic System
    • Chassis, Mast: Mast and Forks
    • Chassis and Mast: Service Data
    • Chassis, Mast: How to Read Circuit Diagrams
  • Engine – GM 4.3L (G6) Fuel System Supplemental (99789-74111)
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System Operation
    • Gasoline Fuel System Operation
    • LPG Fuel System Diagnostics
    • Gasoline Fuel System Diagnostics
    • Symptom Diagnostics
    • Schematics
    • Wiring Diagram
    • Diagnostic Trouble Codes
    • Fuel System
  • Engine – GM 4.3L (G6) Gasoline (99789-74120)
    • Foreword
    • Determining When to Overhaul the Engine
    • Engine Replacement
    • Specifications
    • Major Nuts and Bolts Tightening Torque
    • Sealers, Adhesives, and Lubricants
    • Use of RTV and Anaerobic Sealer (Gasket Eliminator)
    • Diagnostic Information and Procedures
    • Valve Train Diagnosis (Noise Diagnosis)
    • Mechanical
    • Electrical Throttle and Governor Control System
    • ECU Error Code Description
    • Ignition System and Distributor
    • Alternator and V-Belt
    • Starter Motor
    • Fuel System – Gasoline
    • Fuel System – LP
    • Special Tools and Equipment
  • Engine – GM 4.3L (G6) LPG Fuel System Supplement (99789-74122)
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System
    • LPG System Diagnosis
    • LPG Symptom Diagnostics
    • Diagnostic Scan Tool
    • Wiring Schematic
    • Electrical Schematic
    • Wiring Harness Repair
    • Diagnostic Trouble Codes
    • Servicing the Fuel System
    • LPG Parts Diagram
    • Appendix
  • LPG Fuel Supplement (99789-74133)
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System
    • Fuel System Diagnosis
    • Diagnostic Scan Tool (DST)
    • Engine Wire Harness Repair
    • Diagnostic Trouble Codes (DTCs)
    • Definitions & Parts Illustration
    • Wiring Schematic

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