National Crane N105 Articulating Crane Service Manual

A National Crane N105 is a knuckle-boom crane that sits on a truck or base and folds down for transport. On a job site it lifts and places loads where a straight boom can't reach easily. When one comes in for repair, the person with the wrench wants the workshop procedures in front of them before anything gets unbolted. That's usually a shop fixing the crane in-house or a tech sorting out a unit that arrived with no paperwork.

What this manual helps you do

• Diagnose hydraulic system faults by working through the troubleshooting steps a service manual like this usually provides.
• Replace worn components in the boom and extensions, the slewing system or the stabilizers, following the removal and installation sequence.
• Adjust controls and safety system settings so the crane responds the way it should.
• Check the electrical system step by step when a function drops out.
• Follow the maintenance and adjustment routines to bring a used crane back into service.

Who this is for

A crane service technician, rental fleet mechanic or independent repair shop will get the most from it. It also suits a dealer technician or plant maintenance crew who keep an N105 running and do their own repairs.

FAQ

Q: What do I receive and how is it organised?

A: You get 1 PDF file of 118 pages, in English. The title on the manual is "N105 Series Operation and Service Manual," publication number CTRL061-01.

Q: Which machine does it fit?

A: It's written for the National Crane N105 articulating crane. Check the model on your crane's data plate against N105 and you're set.

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

A: If you're pulling a component, setting an adjustment or chasing a fault, you'd expect to find the procedures for it here. Keep it open on a tablet or print the pages you need and take them to the crane.

Open it before you start the teardown, and work from the procedures instead of guesswork on your N105.

Click here to view the preview (PDF)

Table of Contents:

General outline of the sections covered in a service manual of this type. Actual chapter numbering and section names vary by model and edition.

• Foreword and safety information
• General information and specifications
• Mounting and base
• Hydraulic system
• Slewing system
• Boom and extensions
• Stabilizers
• Controls and safety system
• Electrical system
• Maintenance and adjustment
• Troubleshooting
• Service data

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