Case IH AFX8010 Repair Manual
This manual has been produced by a new technical information system. This new system is designed to deliver technical information electronically through CDROM and in paper manuals. A coding system called ICE has been developed to link the technical information to other Product Support functions e.g. Warranty.
Technical information is written to support the maintenance and service of the functions or systems on a customers machine. When a customer has a concern on his machine it is usually because a function or system on his machine is not working at all, is not working efficiently, or is not responding correctly to his commands. When you refer to the technical information in this manual to resolve that customers concern, you will find all the information classified using the new ICE coding, according to the functions or systems on that machine. Once you have located the technical information for that function or system then you will find all the mechanical, electrical or hydraulic devices, components, assemblies and sub-assemblies for that function or system. You will also find all the types of information that have been written for that function or system, the technical data (specifications), the functional data (how it works), the diagnostic data (fault codes and troubleshooting) and the service data (remove, install adjust, etc.).
How to Use this Manual
This manual is divided into Sections. Each Section is then divided into Chapters. Contents pages are included at the beginning of the manual, then inside every Section and inside every Chapter. An alphabetical Index is included at the end of a Chapter. Page number references are included for every piece of technical information listed in the Chapter Contents or Chapter Index.
Contents of DISTRIBUTION SYSTEMS
- PRIMARY HYDRAULIC POWER SYSTEM A.10.A AFX8010
- SECONDARY HYDRAULIC POWER SYSTEM A.12.A AFX8010
- ELECTRICAL POWER SYSTEM A.30.A AFX8010
- LIGHTING SYSTEM A.40.A AFX8010
- ELECTRONIC SYSTEM A.50.A AFX8010
BASIC PRINCIPLES OF THE SYSTEM
Combines use a combination of Pressure Flow Compensated (PFC) and open-center hydraulics. In a PFC system, oil flow is minimal unless there is a hydraulic demand. In an open-center system, oil is constantly pumped through the system regardless of hydraulic demand.
Flow Across a Restriction
The hydraulic system of the combine uses the principle of flow across a restriction for some functions. It is important to understand this basic principle in order to understand how the system works, or more importantly, why the system may not be working.
- When oil flows through an unrestricted passage, the pressure in this passage, if any, will remain constant as long as pump flow remains constant.
- When oil in a passage flows across a restriction, the pressure after the restriction will be less than the pressure before that restriction. Flow must exist for this to happen. A restriction can occur by any component causing a resistance to flow.
Case IH AFX8010 Service Manual
The AFX Axial-Flow combines use a very extensive hydraulic system to operate machine functions that are normally associated with belts and chains, along with the normal hydraulic functions. This section will cover the basics of the hydraulic supply system, each actual function will be included with that functionís sections. This section will cover the reservoirs, filtration, gear pumps, PFC pump and cooling. Since the machine incorporates two reservoirs, the hydraulic system is easily broken into two separate systems.
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