Case Axial-Flow 7250 Tier 4B Final Combine Service Manual (51586252) (March 2019)

These 7250 Axial-Flow combines usually live in dusty fields, long days, short weather windows, and they don’t get to “take a break” when something sounds off. This service manual helps you trace faults step by step so you can verify what’s actually wrong before you start throwing parts at it. Say you’ve got a vibration through the driveline under load: instead of guessing at bearings, you’d follow the sequence, check alignment, isolate gearbox vs. power coupling, then test each section so you fix the right thing once.

Applications & Use Cases

• Track down hydraulic issues by tracing circuits, checking pressures in order, and isolating whether it’s a valve, pump, or a simple routing problem.
• Chase electrical gremlins by following diagrams, testing connectors, and verifying sensors before you replace a single control module.
• Inspect and align belts, chains, and drives so you don’t cook bearings or shred components mid-harvest.
• Bleed fuel and hydraulic systems correctly after filter or hose changes so you’re not fighting air locks all afternoon.
• Plan bigger repairs in the off-season by using the manual to test systems and spot wear early.

FAQ

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

A: It’s typically a searchable PDF, so you can jump to systems, use keywords, and zoom wiring diagrams on-screen.

Q: Can I print just a few sections to take out to the machine?

A: Yeah, most folks print the pages they’ll need, stick them in plastic sleeves, and keep the main file safe on the computer.

Safety Note

Always verify all stored energy is released—hydraulic, electrical, and mechanical—before you put hands near moving or suspended components.

Case Axial-Flow 7250 Tier 4B Final Combine Index:

• Contents
• INTRODUCTION
• Engine – 10
• Main gearbox and drive – 14
• Power coupling – 19
• Transmission – 21
• Front axle system – 25
• Rear axle system – 27
• Hydrostatic drive – 29
• Brakes and controls – 33
• Hydraulic systems – 35
• Steering – 41
• Wheels – 44
• Tracks and track suspension – 48
• Cab climate control – 50
• Electrical systems – 55
• Product feeding – 60
• Threshing – 66
• Separation – 72
• Residue handling – 73
• Cleaning – 74
• Crop storage / Unloading – 80
• Platform, cab, bodywork, and decals – 90
• SPECIAL TOOL INDEX
• ELECTRICAL SCHEMATIC – 51446765
• HYDRAULIC/HYDROSTATIC SCHEMATIC – 51586253

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