Mitsubishi RB14NH Reach Truck Service Manual (WHSM0014)

This RB14NH is a narrow-aisle electric reach truck for warehouse work, tight racking, and fast pallet turns. The service manual is what I grab in the yard when a reach truck is down and needs to go back on rent without surprises. People use it to chase error codes, check pressures and voltages, and make sure masts and pantographs go back together right the first time.

What this manual helps you do

• Diagnose Zapi controller and truck alarm codes, then trace them through the electrical system
• Check and adjust mast staging, reach carriage, and pantograph so it runs straight and quiet
• Follow hydraulic tests and adjustment procedures when lift, reach, or steering acts weak or jerky
• Rebuild or replace traction and hoist motors, then set parameters so the truck drives correctly
• Troubleshoot wiring and sensor issues using the reach truck schematics and TruckTool references

Who this is for

If you're maintaining or repairing a Mitsubishi RB14NH reach truck in-house, this is the service manual you want. If you're looking for daily operating instructions or safety training for drivers, you need the operator's handbook instead, not this set.

FAQ

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

A: It's 11 PDF files split by section. Most of the set is searchable, but some scanned pages aren't; wiring diagrams are in PDF and readable on a laptop or tablet.

Q: How do I know it fits my truck?

A: It's written for the Mitsubishi RB14NH reach truck family. For edge serial numbers or special options, you may still need to confirm with your dealer.

Q: Is this the right document if I'm doing real repairs, not just checks?

A: Yes, this is the workshop-level service manual, meant for fault-tracing, adjustments, and component repair, not a parts list.

Bottom line: if you're wrenching on an RB14NH reach truck, this is the right manual. If you just need operating or parts info, it's the wrong one.

Models covered by this manual

Mitsubishi publication WHSM0014 is the factory service manual for the RB14NH. The same publication covers 10 further reach truck models: RB14N, RB16N, RB16NC, RB16NH, RB16NHC, RB16NHS, RB16NS, RB20NH, RB25NH, RBM20K. Check the model and serial number on your data plate before ordering.

Table of Contents:

• Contents
  • RB14N-RB25NH Errors
  • RB14N-RB25NH warnings
  • TH77 0206
• 920000
  • Cold store modification
• 110212
  • P
• Chassis (WHSM0014)
  • Introduction
  • Operating the truck
  • Regular maintenance
  • Electrical operation
  • Hydraulic operation
  • Hydraulic operation

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