This highly detailed PDF manual covers all repairs, servicing and troubleshooting procedures. All technical details taken directly from the manufacturer can be found in this manual, It is the factory manual from the manufacturer. John Deere 9920, 9930 Cotton Picker Service Technical manual is the same manual used by professional technicians, mechanics and workshops around the world.
John Deere 9920, 9930 Cotton Picker Service Technical manual has easy-to-read text sections with top quality diagrams and instructions, will guide you through fundamentals of maintaining and repairing, step-by-step, to teach you what the factory trained technicians already know by heart. For that reason, you will not find it difficult to repair or to maintain some of the innovative features loaded on the vehicle when you have the manual. Using this repair manual is the true way to keep your vehicle working properly.
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Models Cover:
John Deere 9920 Cotton Picker
John Deere 9930 Cotton Picker
Manual Covers:
SECTION 10GENERAL
Group 05Safety
Group 10General Specifications
Group 15Fuels and Lubricants
SECTION 20ENGINE REPAIR
Group 05Remove and Install
Group 10Acquire Access to Cooling System
SECTION 30FUEL AND AIR REPAIR
Group 05Remove/Install Diesel Fuel System
SECTION 40ELECTRICAL REPAIR
Group 05MOTOROLA Charging Circuit Repair
Group 06NIPPONDENSO Charging Circuit Repair
Group 07BOSCH Charging Circuit Repair
Group 10Starting Circuit Repair
Group 15Lights, Instruments, and Accessory Circuit Repair
Group 20Monitor System Repair
Group 25Connector Repair
SECTION 50POWER TRAIN REPAIR
Group 05EATON Hydrostatic Drive
Group 06SUNDSTRAND Hydrostatic Drive
Group 10Transmission
Group 15Differential
Group 20Auxiliary Gear Case
Group 25Final Drive
SECTION 60STEERING AND BRAKE REPAIR
Group 05Remove and Install Steering Components
Group 06Steering Column Repair
Group 07Steering Metering Pump Repair
Group 08Steering Motor Repair (Single Wheel)
Group 09Steering Cylinder Repair (Dual Guide Wheel)
Group 10Brakes Repair
SECTION 70HYDRAULIC REPAIR
Group 05Hydraulic Pump Repair
Group 10Main Control Valve
Group 15ABasket Lift Cylinder
Group 15BPicking Unit Lift Cylinders
Group 15CVane Dump Control Cylinder
Group 20Hydraulic Motors
Group 25Height Control
Group 30Pressure Control Valve
Group 35Basket Compactor Control Valve
Group 40Vane Dump Control Valve
SECTION 80WHEEL AND AXLE REPAIR
Group 05Single Guide Wheel Axle
Group 10Dual Guide Wheel Axle
SECTION 90OPERATOR STATION REPAIR
Group 05DELCO R-12 Air Conditioning
Group 06NIPPONDENSO R-12 Air Conditioning System
Group 07R-12 Air Conditioning System
Group 08NIPPONDENSO R-134a Air Conditioning System
Group 10Heating System
Group 15Seat
Group 20Cab Repair
SECTION 100PICKING UNIT REPAIR
Group 05Picking Unit Removal and Installation
Group 10Grid Bars And Pressure Plates
Group 15Spindles and Picker Bars
Group 20Picker Drums, Drive Shafts, and Gears
Group 25Idler Gears and Bearings
Group 30Doffers, Stub Shaft, and Drive
Group 35Moistener Column
Group 40 Gear Cases, Universal Joints, and Countershafts
Group 45Picking Unit Cabinets And Cam Tracks
SECTION 110AIR SYSTEM REPAIR
Group 05Air System
SECTION 120WATER SYSTEM REPAIR
Group 05Water System
SECTION 130PICKING UNIT LUBRICATION SYSTEM REPAIR
Group 05Lubrication System9930
SECTION 199SPECIAL TOOLS
Group 05Fabricated Tools
SECTION 210OPERATIONAL CHECKOUT PROCEDURE
Group 05Machine Operational Checkout
SECTION 220ENGINE OPERATION AND TEST
Group 05Engine
SECTION 230FUEL/AIR OPERATION AND TEST
Group 05Air Intake System
Group 10Diesel Fuel System
SECTION 240ELECTRICAL OPERATION AND TEST
Group 05System Diagrams
Group 10Electrical System Diagnosis
Group 10AStarting Circuit
Group 10BCharging Circuit (9920; 9930, P.I.N. -12000)
Group 10CCharging Circuit (9930, P.I.N. 12001- )
Group 10DGauge Cluster
Group 10ELighting Circuit
Group 11Monitor System Diagnosis
Group 12Operators Presence System Diagnosis
Group 15Battery
Group 20Charging Circuit
Group 25Starting Circuit
Group 30Lights, Instruments, and Accessory Circuits
Group 35Monitor System
Group 40Operator Presence System
SECTION 250POWER TRAIN OPERATION AND TEST
Group 05EATON Hydrostatic Drive
Group 06SUNDSTRAND Hydrostatic Drive
Group 10Transmission
Group 15Auxiliary Gear Case
Group 20Final Drive
SECTION 260STEERING/BRAKES OPERATION AND TEST
Group 05Steering
Group 10Brakes
SECTION 270HYDRAULIC SYSTEM OPERATION AND TEST
Group 05Hydraulic System
Group 10Hydraulic Pump
Group 15Main Control Valve
Group 20Hydraulic Cylinders
Group 25Hydraulic Motors
Group 30Height Control
Group 35Pressure Control Valve
Group 40Basket Compactor Control Valve
Group 45Vane Dump Control Valve
SECTION 290OPERATOR STATION OPERATION AND TEST
Group 05Operators Station Operational Checks
Group 10Operators Station Diagnostics
Group 15AAir Conditioning Tests – R12
Group 15BAir Conditioning Tests – R134a
Group 15COperators Station Tests
Group 20Operators Station Adjustments
Group 25Operators Station Theory of Operation
SECTION 300PICKING UNIT OPERATION AND TEST
Group 05Picking Unit System
SECTION 310AIR SYSTEM OPERATION AND TEST
Group 05Air System
SECTION 320WATER SYSTEM OPERATION AND TEST
Group 05Water System
SECTION 330PICKING UNIT LUBRICATION SYSTEM OPERATION AND TEST
Group 05Picking Unit Lubrication System
SECTION 399SPECIAL TOOLS
Group 05Fabricated Tools
Index
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