John Deere 7440 and 7445 Cotton Strippers Technical Manual (TM1282)

Table of Contents:
   GENERAL
      Safety
      General Specifications
      Fuels and Lubricants
   ENGINE REPAIR
      Remove and Install Engine
      Cooling System
   FUEL AND AIR REPAIR
      Diesel Fuel System
   ELECTRICAL REPAIR
      MOTOROLA Charging Circuit Repair
      NIPPONDENSO Charging Circuit Repair
      BOSCH Charging Circuit Repair
      Starting Circuit Repair
      Monitor System Repair
      Tachometer and Gauges
      Lights and Accessory Circuit Repair
      Connector Repair
   POWER TRAIN REPAIR
      EATON Hydrostatic Drive
      SUNSTRAND Hydrostatic Drive
      Transmission
      Differential
      Final Drive
   STEERING AND BRAKES REPAIR
      Remove and Install Steering Components
      Steering Column Repair
      Steering Metering Pump Repair
      Steering Cylinder Repair
      Brake Repair
   HYDRAULIC REPAIR
      Hydraulic Pump
      Main Control Valve— 7440 Stripper
      Main Control Valve— 7445 Stripper
      A— Basket Lift Cylinder
      B— Rockshaft Lift Cylinders
      C— Height Control Cylinder
      D— Boli Box Cylinder
      G— Axle Stabilizer Cylinder
      H— Vane Compactor Cylinder
      Hydraulic Motors
      Height Control
      Basket Interlock Valve— 7445
      Stabilizer Valve
   AXLES AND WHEEL REPAIR
      Guide Wheel Axle— 7440 and 7445 (S.N. — 4000)
      Guide Wheel Axle— 7445 (S.N. 4001— )
   OPERATOR STATION REPAIR
      DELCO R-12 Air Conditioning System
      NIPPONDENSO R-12 Air Conditioning System
      R-12 Air Conditioning System
      NIPPONDENSO R-134 Air Conditioning System
      Heating System
      Seat Repair
      Cab Repair
   STRIPPING UNITS REPAIR
      Unit Removal and Installation
      Unit Repair
      Cross Augers and Slip Clutch
      Input Shafts and Slip Clutches— 7440 Stripper
      Input Shafts and Slip Clutches— 7445 Stripper
   AIR SYSTEM REPAIR
      Air System
   CLEANER REPAIR
      Cleaner Repair
   OPERATIONAL CHECKOUT PROCEDURE
      Machine Operational Checkout
   ENGINE OPERATION AND TESTS
      Engine
   FUEL/ AIR OPERATION AND TESTS
      Air Intake System
      Diesel Fuel System
   ELECTRICAL OPERATION AND TESTS
      System Information
      Electrical System Diagnosis
      A— Starting Circuit
      B— Charging Circuit (7440; 7445, PIN. -12000)
      C— Charging Circuit (7445, PIN.12001- )
      D— Gauge Cluster
      E— Lighting Circuit
      F— Accessory Circuit
      Monitor System Diagnosis
      Battery
      Charging Circuit
      Starting Circuit
      Tachometer
      Monitor System
      Lights, Instruments, and Accessory Circuits
   POWER TRAIN OPERATION AND TESTS
      Eaton Hydrostatic Drive
      Sundstrand Hydrostatic Drive
      Transmission
      Final Drive
   STEERING/BRAKES OPERATION AND TESTS
      Steering
      Brakes
   HYDRAULIC SYSTEM OPERATION AND TEST
      Hydraulic System
      Hydraulic Pump
      Main Control Valve
      Main Control Valve
      Hydraulic Cylinders
      Hydraulic Motors
      Height Control
   OPERATORS STATION OPERATION AND TESTS
      Operator’ s Station Operational Checks
      Operator’ s Station Diagnostics
      A— Air Conditioning Tests - R12
      B— Air Conditioning Testing - R134a
      C— Operator’ s Station Tests
      Operator’ s Station Adjustments
      Operator’ s Station Theory of Operation
   STRIPPING UNIT OPERATION AND TESTS
      Stripping Unit System
   AIR SYSTEM OPERATION AND TESTS
      Air System
   CLEANER OPERATION AND TESTS
      Cleaner
   SPECIAL TOOLS
      Fabricated Tools