National Crane N85 Articulating Crane Service Manual

A National Crane N85 is an articulating knuckle-boom crane that mounts on a truck or base and folds down for transport. On a job site it sets steel, places materials and lifts loads where a straight boom can't reach. When one goes down, the person reaching for this manual is usually the one who has to get it working again: a fleet mechanic or shop technician who needs procedures, not guesses.

What this manual helps you do

• Troubleshoot hydraulic system problems by working through the fault-finding steps in order.
• Remove and replace worn components on the boom and extensions, with the procedure in front of you.
• Adjust controls and safety system settings after a repair.
• Check electrical system circuits when a function stops responding.
• Follow maintenance and adjustment routines so the crane stays documented and on schedule.

Who this is for

A rental fleet mechanic who repairs cranes in-house will get the most from it. It also suits independent repair shops, dealer technicians and plant maintenance crews who inherit an N85 with no paperwork.

FAQ

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

A: You get one PDF file of 102 pages in English. The publication number is CTRL059-01, so you can match it to your records.

Q: Which machine does it fit?

A: It is written for the National Crane N85 articulating crane. The title on the manual reads "N85 Series Articulating Crane Operation and Service Manual."

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

A: A manual like this usually gives you the procedures for removal, repair, adjustment and testing in one file. You'd expect to find the stabilizers, slewing system and mounting and base covered alongside the hydraulic and electrical work, so one reference can support a full teardown or a quick fault check.

Open the PDF at the bench or in the truck and work the repair from the procedures. Keep it in the fleet file for the next time the N85 comes in.

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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