Caterpillar EC25N Forklift Service Manual (99759-6K110)

An EC25N is an electric counterbalanced forklift for moving and stacking loads around a warehouse, plant, or loading area. When one comes into my shop, the service manual is what the technician uses to trace faults, make adjustments, and carry out repairs instead of guessing. This set covers the EC15N, EC18N, EC20N, EC25N, EC25EN, EC25LN, and EC30N models.

What this manual helps you do

• Trace electrical faults through truck wiring, controls, and safety circuits.
• Diagnose traction motor, controller, braking, steering, and drive-unit problems.
• Follow procedures for hydraulic systems, mast work, forks, and lift-related repairs.
• Check service data and troubleshooting information while testing a truck.
• Adjust, replace, and rebuild assemblies during shop or field repairs.

Who this is for

This suits a warehouse maintenance technician, dealer technician, independent forklift repair shop, plant mechanic, or rental fleet mechanic working on Cat electric trucks. It is a workshop service manual, not an operator handbook, and the operator handbook and related Cat companion volumes are also available.

FAQ

Q: What do I receive, and how is it organized?

A: You receive two Cat publications in a set, delivered as 16 PDF files split by section, with 427 pages total. The PDFs can be printed and zoomed, and the set has a real text layer for searching and copying text.

Q: Which trucks does it fit?

A: The manual's cover identifies EC15N, EC18N, EC20N, EC25N, EC25EN, EC25LN, and EC30N. That makes it a direct match for an EC25N and closely related trucks in the same model family.

Q: How does it fit the job I'm doing?

A: Use it for in-house troubleshooting, electrical diagnosis, hydraulic and mast work, drive-unit repairs, and service adjustments. It gives the working mechanic the repair procedures and service information needed at the truck.

For an EC25N repair job, this is the kind of documentation you want beside the truck. It lets you test, adjust, and repair the lift with a Cat-specific reference instead of working from guesswork.

Models covered by this manual

Caterpillar publication 99759-6K110 is the factory service manual for the EC25N. The same publication covers 6 further forklift models: EC15N, EC18N, EC20N, EC25EN, EC25LN, EC30N. Check the model and serial number on your data plate before ordering.

Table of Contents:

• N·m
• V, 48 V
• Turning on key switch in RUN mode
• Setting SUO #1 (checking and changing data)
• N-m (3.5 kgf-m) 34.8 ft-lb
• N-m (7.1 kgf-m) 51.4 ft-lb
• N·m for UVW
• Pump Motor Over-current (Transistor Control Type Only) …. 2 – 31
• Pump Contactor Fault (Contactor Control Type Only) ………. 2 – 40
• Pump Motor Open (Transistor Control Type Only) …………….. 2 – 45

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