Description
John Deere 9400 9500 9600 Technical Manual is the factory diagnostics and service publication TM1402S for the specified 9400 SideHill, 9500 SideHill, 9500 MAXIMIZER and 9600 MAXIMIZER combines. Written for experienced technicians, agricultural engineers and combine workshops, it provides detailed repair information for selected mechanical and hydraulic assemblies together with electrical operation, testing and diagnostic material.
The publication is arranged in numbered sections and groups, allowing technicians to locate the relevant repair or diagnostic subject by system. Its coverage includes hydrostatic power transmission components, hydraulic solenoid controls, the operator’s cab, CONTOUR MASTER feeder house assemblies, separator components, grain handling equipment and electronic control diagnostics.
This is a focused technical publication containing the sections and groups listed below. It should be selected by publication number and model applicability, particularly where a workshop already holds other John Deere technical literature for the combine.
GENERAL AND SAFETY
The opening section provides the safety information required when carrying out inspection, diagnosis and repair work on the covered combines.
- General workshop safety information
- Safety precautions associated with service work
- Guidance applicable before dismantling or testing machinery
POWER TRAIN AND HYDROSTATIC REPAIR
Section 50 covers repair information for the combine’s hydrostatic system. This material supports workshop attention to the hydrostatic drive components identified within the manual.
- Hydrostatic system repair
- System component identification
- Service and repair information
- Relevant dismantling and assembly guidance
HYDRAULIC AND OPERATOR STATION REPAIR
The hydraulic repair section deals with the solenoid control valve stack, while the operator station section contains cab repair information. These groups are useful when work involves hydraulic control components or the cab structure and associated fittings.
- Hydraulic solenoid control valve stack
- Valve stack repair information
- Hydraulic control component servicing
- Operator’s cab repair
- Cab component access and service information
CONTOUR MASTER FEEDER HOUSE REPAIR
Dedicated CONTOUR MASTER coverage addresses the principal feeder house tilt and drive assemblies listed in the publication. It provides system-specific repair material rather than generic combine information.
- Platform driveshafts
- Tilt cylinder
- Tilt frame
- CONTOUR MASTER feeder house
- Feeder house tilt-system components
- Mechanical drive and frame assemblies
SEPARATOR AND CLEANING SYSTEM
Separator coverage concentrates on the crop-cleaning assemblies named in Section 120. This information assists with repair work involving material transfer to the cleaning system and the principal air and sieve components.
- Shoe supply augers
- Cleaning fan
- Chaffer
- Sieve frame
- Cleaning-system assembly relationships
- Repair information for the listed separator components
GRAIN TANK AND UNLOADING SYSTEM
Section 130 contains repair information for the upper clean grain elevator, a key part of the clean-grain transfer path to the grain tank.
- Upper clean grain elevator
- Elevator assembly identification
- Repair and service information
- Clean-grain handling component coverage
JOHN DEERE 9400 9500 9600 TECHNICAL MANUAL DIAGNOSTICS
The electrical operation and tests section provides structured diagnostic groups for the engine control, header-height and feeder house tilt systems. It also includes an index for Combine Data Center diagnostics.
- Engine Control Unit and injection pump system identification
- Bosch engine control diagnostics, Type C
- Concave position adjustment diagnostics
- Dial-A-Matic diagnostics
- Dial-A-Matic Type A diagnostics
- Dial-A-Matic Type B diagnostics
- Dial-A-Matic Type C diagnostics
- CONTOUR MASTER tilt control system identification
- CONTOUR MASTER Type A and Type B diagnostics
- Combine Data Center diagnostics index
TESTING AND TROUBLESHOOTING
The diagnostic groups are organised around system identification and fault diagnosis. They provide model-specific information for tracing problems in the covered electronic controls rather than relying on general electrical assumptions.
- Identification of applicable control systems
- Engine control diagnostic references
- Concave position control diagnosis
- Header control diagnosis through Dial-A-Matic groups
- Feeder house tilt-control diagnosis
- Control-system type differentiation
- Combine Data Center diagnostic indexing
MODELS COVERED
- John Deere 9400 SideHill Combine
- John Deere 9500 SideHill Combine
- John Deere 9500 MAXIMIZER Combine
- John Deere 9600 MAXIMIZER Combine
MANUAL DETAILS
- Manufacturer: John Deere
- Publication number: TM1402S
- Manual type: Diagnostics and Service Technical Manual
- Machine type: Combine harvester
- Language: English
- Serial range: Not stated
- Page count: Not stated
Publication TM1402S is appropriate for workshops needing the exact repair and diagnostic groups listed above. The combination of component repair sections and control-system diagnostics makes it particularly relevant to faults involving CONTOUR MASTER, Dial-A-Matic, engine control and selected separator or grain-handling assemblies.
Always confirm the publication number and model designation against the combine before use. John Deere 9400 9500 9600 Technical Manual coverage is defined by the listed models and systems; no serial-number restriction is given in the available publication details.

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