Mitsubishi FG30NM Forklift Engine Service Manual (99789-77100)

This is the engine service manual for a Mitsubishi FG30NM LPG forklift, not the full truck manual. Around my yard, this is what you grab when the truck runs badly, throws engine faults, or needs deeper work than filters and plugs. Techs use it to keep an out-of-warranty unit in the rotation without guessing at specs or teardown order, and to get an engine back together right the first time so it doesn't come back on a hook.

What this manual helps you do

• Diagnose hard-start, no-start, low-power, or stalling issues on the FG30NM engine
• Trace and check engine-related wiring, sensors, and control components
• Follow step-by-step teardown and rebuild of the engine and bolt-on engine parts
• Adjust and verify engine settings, timing-related items, and related controls
• Troubleshoot engine fault codes and confirm repairs with the right test procedures

Who this is for

This is for warehouse maintenance techs, dealer techs, independent shops, and rental fleet mechanics working on the FG30NM engine. If you need mast, hydraulics, transmission, axles, or basic operating instructions, this is the wrong book; you'd want the chassis service manual or the operator's handbook instead.

FAQ

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

A: You get 9 PDF files with a real text layer, so they're searchable and you can copy text. Engine wiring diagrams and schematics are clear enough to zoom and read.

Q: Will it cover my exact FG30NM by serial or variant?

A: It's written for the FG30NM engine family in general. If your data plate says FG30NM, this is more or less the right engine book, but always match details to your truck.

Q: Is this the right manual if I'm chasing hydraulic or drive issues?

A: No. This only covers the engine. For mast, hydraulics, steering, or drive train work, you need the separate chassis service manual.

Bottom line: Buy this if you're working on how the FG30NM runs. Don't buy it expecting mast, axle, or hydraulic coverage.

Models covered by this manual

Mitsubishi publication 99789-77100 is the factory service manual for the FG30NM. The same publication covers 6 further forklift models: FG15NM, FG18NM, FG20CNM, FG20NM, FG25NM, FG35NM. Check the model and serial number on your data plate before ordering.

Table of Contents:

• Foreword
• General Information
• Maintenance
• Tune Up
• Mechanical
• Control
• Lubrication and Cooling
• Fuel
• Electrical

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