Mitsubishi RB25KH Reach Truck Service Manual (WHSM0060)

On a real shift this Mitsubishi RB25KH reach truck is the one living in your narrow aisles, shuttling pallets in and out of racking all day. When it dies halfway up the mast or throws a Zapi fault in front of a dock door, you're the one dragging it out of the aisle and trying to get it back for the next wave. This service manual is what the shop reaches for when the problem is past "cycle the key" and into "meter and laptop time". You use it to stop guessing, get the right specs, and get the truck back in the air.

What this manual helps you do

• Diagnose Zapi controller and truck alarm codes, and trace them through the wiring diagrams
• Check and adjust mast staging, reach carriage, and pantograph clearances and operations
• Follow step-by-step procedures to remove, inspect, and reinstall traction and hoist motors and gear units
• Troubleshoot hydraulic issues, then pressure-test and set valves based on the correct spec ranges
• Set and verify truck parameters with TruckTool so travel, lift, and braking behave the way they should

Who this is for

This is for warehouse maintenance techs, dealer techs, independent forklift shops, and rental fleet mechanics looking after Mitsubishi RB25KH reach trucks. If you just need operating instructions or safety basics for drivers, you want the operator's handbook instead.

FAQ

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

A: It's 11 PDF files with a real text layer, so you can search and copy text. Wiring diagrams are in PDF as well, split into their own sections.

Q: How do I know if it covers my exact RB25KH truck?

A: It's written for the RB25KH reach truck family. For absolute confirmation on a specific serial number, match RB25KH and book code WHSM0060 against your data plate or dealer info.

Q: Is this the right document if I'm fixing faults and doing major repairs?

A: Yes. This is the workshop-level service manual, meant for diagnostics, teardown, adjustments, and parameter work, not parts lookups or driver training.

Bottom line: If you're maintaining or repairing an RB25KH reach truck in-house or in the field, this is the right manual. If your truck isn't an RB25KH, keep looking.

Models covered by this manual

Mitsubishi publication WHSM0060 is the factory service manual for the RB25KH. The same publication covers 9 further reach truck models: RB14K, RB14KC, RB14KE, RB14XC, RB14XE, RB16K, RB16KC, RB16KN, RB20K. Check the model and serial number on your data plate before ordering.

Table of Contents:

• Circuit diagrams
• Circuit diagrams: Cold store modifications
• Parameters: Traction controller – Zapi AC-2 Traction inverter 48V 350A RO 0.16 Adjustment instructions
• Parameters: Pump controller – Zapi AC-2 Pump inverter 48V 350A RO 0.16 Adjustment instructions
• Parameters: Steer controller – Zapi EPS AC 48V 40A (50A) RO 1.02-1.03 Adjustment instructions
• Parameters: Valve controller – Zapi MHYRIO 48V RO 1.07 Adjustment instructions
• Parameters: Display controller – Zapi SICOS RO 1.04-1.08 Adjustment instructions
• Manual: Traction & Pump controller – Zapi AC-2 User manual
• Manual: Steer controller – Zapi EPS AC User manual
• Manual: Valve controller – Zapi MHYRIO User manual
• Manual: Master/Display controller – Zapi SICOS User manual

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