Mitsubishi FB20NT Forklift Service Manual (99759-5B110)

This Mitsubishi FB20NT is a small electric counterbalance truck you'll see in warehouses loading docks, tight production aisles, that kind of thing. The service manual is what you grab when the truck is out of warranty and you actually have to fix something, not just top off fluids. Around my shop we use this level of book when someone wants torque specs, wiring info, hydraulic pressures, and proper teardown steps so we don't eat labor on do-overs.

What this manual helps you do

• Trace and diagnose electrical faults in the traction and pump circuits using the wiring diagrams
• Check and set controller parameters, contactor logic, and safety interlocks on the FB20NT
• Follow step-by-step procedures to remove, inspect, and reinstall the drive unit, steer axle, and brakes
• Rebuild or replace hydraulic components, then pressure-test and adjust the mast and lift system
• Troubleshoot fault codes, verify sensor signals, and confirm the truck is within factory service data

Who this is for

This is aimed at warehouse maintenance techs, dealer and independent shop mechanics, and rental fleet guys who actually spin wrenches on Mitsubishi electrics. If you just need to know how to drive or do daily checks, you want the operator's handbook instead, not this.

FAQ

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

A: You get 17 PDF files, split by section. They're scanned page images, so you can zoom and print, but you can't text-search them.

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

A: It's written for FB20NT trucks in the EFB13-70001-up range. If your data plate shows that prefix and serial, you're in the right place.

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

A: Yes. This is the workshop service manual, not a parts book, and it's what you want for actual diagnostics, teardown, and reassembly work.

Bottom line: If you're working on an FB20NT in that serial range and you need repair procedures and wiring, this is the right manual. If you want operating tips or parts lists, it isn't.

Models covered by this manual

Mitsubishi publication 99759-5B110 is the factory service manual for the FB20NT, serial range EFB13-70001-up. The same publication covers 2 further forklift models: FB16NT, FB18NT. Check the model and serial number on your data plate before ordering.

Table of Contents:

• 99759-5B110
  • 00_FOREWORD
  • 01_GENERAL INFORMATION
  • 02_VEHICLE ELECTRICAL COMPONENTS
  • 03_POWER TRAIN
  • 04_TRANSFER UNITS
  • 05_REAR AXLE
  • 06_BRAKE SYSTEM
  • 07_STEERING SYSTEM
  • 08_HYDRAULIC SYSTEM
  • 09_MAST AND FORKS
  • 10_SERVICE DATA
  • 11_OPTIONS
• Controller (99759-5C111)
  • Foreword
  • Controller
  • Troubleshooting for Control Circuits
  • Troubleshooting for Control Circuits Schematics
  • Motors

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