Case 7230-9230 Series Axial-Flow Combine Service Training Manual

These Axial-Flow combines spend their lives in dust, heat, and long harvest days, and when they quit, you don’t have time to guess. This service training manual helps you think like the machine: how systems interact, what usually fails first, and how to prove it before you start swapping parts. For example, if you’re chasing an intermittent loss of threshing performance, this book guides you to trace the problem through sensors, hydraulics, and control logic instead of just cranking up settings and hoping it clears.

Applications & Use Cases

• Build diagnostic habits so you can isolate electrical, hydraulic, or mechanical faults in a logical order.
• Understand system theory to see how changes in one area (like rotor speed control) affect crop flow and losses.
• Use diagnostic profiles to verify what the controller “thinks” is happening versus what you see on the machine.
• Improve test planning, deciding which checks to run in the yard and which to confirm in the field under load.
• Train new techs, giving them a structured way to approach combine complaints during peak season.

FAQ

Q: Is this useful in the field, or just in a classroom?

A: It’s great for both; many techs study it in the shop, then use the concepts and test profiles on a tablet at the machine.

Q: Can I print only the pages I need for a job?

A: Yes, most users print key diagnostic charts or profiles and keep them in a binder or plastic sleeve on the service truck.

Safety Note

Always lock out, block, and verify zero energy before inspecting or testing any moving or hydraulic system on the combine.

Case 7230-9230 Series Axial-Flow Combine Index:

STM 5208 book 1
Diagnostic Profile and Test
Productivity Profile and Test
Workbook
Acronyms and Symbols
01 – Introduction
02 – General Information
11 – 9L Engine
12 – 13L Engine
13 – SCR
14 – Air Compressor
25 – Ground Drive
29 – Hydro Drive
30 – Hydraulic Symbols
35 – General Hydraulics
50 – Electrical Symbols
54 – Auto Guide
55 – Electrical Schematics
62 – Feeder Operations
63 – Fix Speed Feeder
66 – Threshing Operations
67 – Cleaning & Residue Operations
74 – Unloading Operations
80 – Auto Crop Settings
81 – Yield Monitor
90 – Header Information
STM 5208 Book 2
Acronyms and Symbols
39 – Hydraulic Schematics
40 – Pro-700 Loading
41 – Engine EST Tool
42 – Machine Configurations
51 – Connector Guide
53 – Electrical Schematics
56 – Diagnostics
57 – Code Listing

CNH