Description

Komatsu FB13M-2R, FB15-2R, FB15M-2R, FB16-2R, FB16M-2R 2008 Workshop Manual

If you have a Komatsu FB13M-2R, FB15-2R, FB15M-2R, FB16-2R, or FB16M-2R forklift sitting in your shop and the lift motor code is flashing or the transmission reducer is leaking, you need the factory data. Aftermarket PDFs will give you generic wire colors and torque values that might be close but aren’t the real specs. That costs time and money. This is the official 2008 Workshop Manual — 378 pages of Komatsu’s own documentation, not a third-party rehash.

I’ve seen forklifts come in with the wrong encoder gap because some online guide said “0.5 mm is fine.” Page 11-26 of this manual gives you the exact air gap for the traction motor encoder. That kind of precision is why I keep a printed copy in my toolbox. This manual covers the entire 4032 series, including the five models you’re likely to run into: FB13M-2R, FB15-2R, FB15M-2R, FB16-2R, and FB16M-2R.

7 Systems Covered – From Diagnostics to Safety

Section 00 is General Information. That’s where you find the forklift capacities for 1300 kg three-wheel trucks all the way up to 2000 kg four-wheel trucks, plus tyre inflation pressures, battery dimensions, and safety features. Section 01 covers the service schedule — the preliminary operations before commissioning and the Synoptic Table of Maintenance Operations. If you’re doing a 500-hour service, that table tells you what to inspect and at what interval. No guesswork.

Section 02, Diagnostics, is worth the price alone. It walks you through connecting a PC to the forklift via the WINPCCONSOLE software. You get the PARAMETER menu description, the TESTER menu, and the full list of alarms. When the truck goes into an alarm state, the manual tells you exactly what the controller sees and how to clear it. I’ve used the “TESTER / Diagnostics Function” section to trace a bad temperature sensor (KTY84) on the traction motor without pulling the whole drive unit.

Traction Motor and Front Axle: Factory Rebuild Data

Section 11 covers the asynchronous traction motor. You’ll find technical data for the traction motor, decomposition steps, encoder replacement, and insulation testing. The manual is explicit about the electrical connections and the temperature sensor. If you’re swapping a traction motor, you absolutely need the torque specs for the mounting bolts — they’re listed in the “Traction motor technical data” subsection. I’ve seen guys strip those bolts because they used chassis specs instead of motor specs. Don’t be that guy.

Section 22, Transmission, gets into the front axle and reducer gearbox. It includes the topography of the front axle reducer and the removal/assembly procedures for the drive wheel reducer gearbox. Oil change intervals and reduction gear disassembly are spelled out. For reference, a Manual Transmission might share some principles, but the Komatsu reducer has specific clearances that only the factory manual provides. Manual Transmission

Does This Manual Cover the Lifting Hydraulics and Steering?

Yes. Section 02’s parameterization section includes parameterisation of the lifting function, hydraulically assisted steering function, tilt, side shift (SLI), and 4th lever functions. That means if you need to recalibrate the lift speed or steering response after replacing a controller, the WINPCCONSOLE settings are listed. I’ve used those parameter tables to fix a jerky tilt on an FB16-2R that a “repair shop” couldn’t diagnose. They’d replaced the valve spool and it still acted up. One parameter change and it was smooth.

Section 31, Truck, covers counterweight removal and reassembly, cover topography, and step plate removal. It’s not glamorous, but if you need to get to the distributor coil or the main harness, the cover removal steps save you from breaking plastic clips. Komatsu WA65-5 WA70-5 WA80-5 2005 Workshop Manual

Safety Precautions and OEM Authenticity

Section 00 includes a full safety precautions chapter with descriptions of safety symbols, operations preliminary to maintenance, and general safety regulations. Komatsu does not mess around with safety — the manual explicitly warns about high voltage in the traction system and battery handling. If you’re a home garage enthusiast working on a forklift, read that section first. I don’t care how many years you’ve been turning wrenches; the electrical hazard on these AC drive trucks is no joke.

This is an original OEM print, not a scanned copy that lost pages. The publication date is 05/2008, so it’s the final revision for this series. Aftermarket manuals often skip the diagnostic software descriptions because they can’t afford to license the screenshots. This PDF has the full WINPCCONSOLE menu tree. For context, a generic Manual Transmission guide won’t tell you how to read encoder signals. This one does. Manual Transmission

Related manuals: Komatsu WH609-1E0 WH613-1E0 WH713-1E0 WH714H-1E0 WH716-1E0 Workshop Manual and Komatsu PW95R-2 Workshop Manual – 520 Pages of Factory Specs

FAQ – Quick Answers from the Bench

Where do I find the torque specs for the traction motor mounting bolts?

Check the technical data subsection in Section 11. It lists all fasteners. If you don’t see a specific torque, look at the front axle reducer section — the flywheel bolts are covered there.

Can I use this manual for the FB18-2R or FB20-2R models?

The manual covers FB13M-2R through FB16M-2R. The FB18-2R and FB20-2R are listed in the product code header but the detailed capacity tables go up to 2000 kg. Use a dedicated manual for those larger models.

If you’re tired of chasing inconsistent data from forum posts and secondhand PDFs, get the real deal. Access the Factory Manual now and keep it on your tablet or print it out. Your forklift will thank you.