Case 580N, 580SN WT, 580SN, 590SN Tier 4B Final Tractor Loader Backhoe Service Manual (48038048) (October 2016)

These Case 580N/580SN/590SN backhoes usually live in the dirt—utility work, site prep, farm jobs, road crews—running all day in dust, mud, and cold starts. This service manual helps you trace faults step by step so you can verify what’s actually bad before you start hanging parts. Say the boom’s drifting down at rest: you’ll follow a sequence to check valve leakage, cylinder condition, and hydraulic pressure instead of guessing and buying a cylinder you don’t need.

Applications & Use Cases

• Track down hydraulic issues by tracing pump supply, checking relief operation, and testing circuits so you isolate a bad section instead of tearing the whole system apart.
• Chase electrical faults by routing through proper test points, verifying power and ground, and using the given sequences so you don’t just keep throwing sensors at it.
• Diagnose engine performance problems by inspecting fuel and air systems in order, then testing controls so you know if it’s a simple restriction or something deeper.
• Sort out drivetrain complaints by checking pressures, engagement, and linkages in a set order, which usually saves hours of backtracking.
• Plan bigger repairs by seeing what actually has to come off, how to align components on reassembly, and where you’ll need help or special tools.

FAQ

Q: Is this a PDF I can search on my laptop or tablet?

A: Yes, it’s typically a searchable PDF, so you can jump to systems or keywords instead of flipping pages.

Q: Can I print just the sections I need for a job?

A: You usually can; most folks print the relevant procedures, stick them in a sleeve, and keep the full file on a device in the truck.

Safety Note

Always bleed off hydraulic pressure and secure raised components before you crack any lines or start loosening hardware.

Case 580N, 580SN WT, 580SN, 590SN Tier 4B Final Tractor Loader Backhoe Index:

• Contents
• INTRODUCTION
• Engine – 10
• Transmission – 21
• Front axle system – 25
• Rear axle system – 27
• Brakes and controls – 33
• Hydraulic systems – 35
• Frames and ballasting – 39
• Steering – 41
• Wheels – 44
• Cab climate control – 50
• Electrical systems – 55
• Front loader and bucket – 82
• Booms, dippers, and buckets – 84
• Platform, cab, bodywork, and decals – 90
• SPECIAL TOOL INDEX
• Electrical Schematic Poster – 48038070
• Electrical Schematic Poster – 48038072
• Hydraulic Schematic Poster – 84390774
• Hydraulic Schematic Poster – 84390777
• Hydraulic Schematic Poster – 84597463
• Hydraulic Schematic Poster – 84597464

CNH