John Deere CTS Combines Repair Technical Manual (TM4521)

Table of Content (Technical Manual – TM4521)

Section 10—General
Group 05—Safety
Group 10—Identification Number Location
Group 15—Specifications
Group 20—Tune Up and Adjustment
Group 25—Fuels and Lubricants

Section 20—Engine
Group 05—Remove and Install Engine
Group 10—Cooling System
Group 15—Lower Engine Repair

Section 30—Fuel and Air Repair
Group 05—Air Intake System
Group 10—Diesel Fuel System

Section 40—Electrical System
Group 05—Components
Group 10—Bulbs and Switches
Group 15—Batteries
Group 20—Harness and Connector Repair
Group 25—Gauges and Monitors
Group 30—Wiper and Radio
Group 35—Alternator
Group 40—Starting Motor
Group 45—Electrical Engine Control

Section 50—Power Train Repair
Group 05—Engine Gearcase and Valve
Group 10—Transmission and Differential
Group 15—Ring and Pinion Final Drive
Group 20—Hydrostatic System
Group 25—Cam Lobe Motor

Section 60—Power Steering and Brakes
Group 05—Steering
Group 10—Brakes

Section 70—Hydraulic Repair
Group 05—Hydraulic Reservoir
Group 10—Hydraulic Pumps
Group 15—Hydraulic Valves
Group 20—Hydraulic Cylinders
Group 25—Motors
Group 30—Accumulator
Group 35—Reel Pump Drive

Section 80—Separator Shell
Group 05—Gull Wing Doors
Group 10—Cleaning Fan Shields

Section 90—Operator Station Repair
Group 10—Air Conditioning System (R134a)
Group 15—System Components
Group 20—Cab

Section 110—Feeder House Repair
Group 05—Feeder House/Conveyor
Group 10—Feeder House Conveyor Drum
Group 15—Conveyor Shaft and Slip Clutch
Group 20—Feeder House Drives and Reverser Gear Case
Group 25—Contour Master™ Platform Driveshafts
Group 30—Contour Master™ Tilt Cylinder
Group 35—Contour Master™ Tilt Frame

Section 120—Separator Repair
Group 05—Beaters
Group 10—Cylinder Drives
Group 15—Tine Separator Module
Group 20—Tine Separators
Group 25—Engine Gearcase to Module Drives
Group 30—Tine Separator Gearboxes
Group 35—Shoe Supply Augers, Cleaning Fan and Chaffer and Sieve Frame
Group 40—Tailings Elevator and Augers
Group 45—Primary Countershaft Gearcase
Group 50—Header Electromagnetic Clutch

Section 130—Grain Tank and Unloading System Repair
Group 05—Grain Tank Cross Augers
Group 10—Unloading Auger System Drives
Group 15—Vertical Unloading Auger and Lower Gearcase
Group 20—Horizontal Unloading Auger and Gearcase
Group 25—Upper Clean Grain Elevator
Group 30—Grain Tank and Extensions
Group 35—Clean Grain Elevator and Loading Auger Gear Case

Section 140—Chaff Spreader
Group 05—Chaff Spreader

Section 210—General Electrical System Checkout
Group 05—Diagnostic/Testing Procedures
Group 10—Electrical System Operational Checkout

Section 220—Engine Operation and Tests
Group 10—Cooling System and Rotary Screen Operation
Group 15—6081 Engine Operation—Bosch

Section 230—Fuel/Air Operation and Tests
Group 05—Air Intake System
Group 10—Fuel System

Section 240—Electrical System
Group 05—General Information
Group 06—Test Equipment
Group 10—Functional Schematic and Harness Diagrams
Group 15A—Current Supply/Starting Motor
Group 15B—Cold-Weather Starting Aid
Group 15C—Engine Control
Group 15D—Warning Devices and Monitors
Group 15E—Instruments
Group 15F—Light Functions
Group 15G—Flasher Functions
Group 15H—Wiper/Washer System
Group 15I—Fan, Air-Conditioning
Group 15K—Air Suspension Seat
Group 15L—Electric Fuel Transfer Pump
Group 15M—Separator Engagement
Group 15N—Header Engagement
Group 15O—Unloading Drive
Group 15P—Concave Adjustment
Group 15Q—Fan Speed Adjustment
Group 15R—Straw Chopper Deflector Adjustment
Group 15S—Four-Wheel Drive
Group 15T—Reel Speed Control Knob
Group 15U—Swinging the Unloading Tube In/Out
Group 15V—Cylinder Speed Adjustment
Group 15W—Contourmaster
Group 15X—Speed Monitoring System
Group 15Y—Grain Loss Monitor
Group 15Z—Radio
Group 15AA—Warning Light Module
Group 15AB—Horn, Back-Up Alarm and Brake Light
Group 15AC—Grain Tank Extension
Group 15AD—Electric Mirrors

Section 250—Power Train Operation and Tests
Group 00—Power Train Diagnostic Specifications
Group 10—Hydrostatic Drive System Adjustments
Group 15—Hydrostatic Drive System Operational Tests
Group 20—Transmission Lubrication Pump Diagnostics
Group 25—Hydrostatic Drive System Theory of Operation

Section 255—Four-Wheel Drive
Group 00—Four-Wheel Drive
Group 05—Four-Wheel Drive System Operational Checks
Group 10—Four-Wheel Drive System Theory of Operation

Section 260—Service Brakes System Operation and Tests
Group 00—Service Brake System Specifications and Adjustments
Group 05—Service Brake System Theory of Operation
Group 10—Mechanical Park Brake Specifications and Adjustments
Group 15—Mechanical Park Brake Theory of Operation

Section 270—Hydraulic Operation and Tests
Group 05—Hydraulic System Diagnostics
Group 10—Hydraulic System Diagnostic Specifications
Group 15—Hydraulic System Operational Tests and Adjustments
Group 20A—Backshaft Speed Theory of Operation
Group 20B—Chaff Spreader—Theory of Operation
Group 20C—Cylinder Speed Adjust Theory of Operation
Group 20D—Header Raise/Lower Theory of Operation
Group 20E—Header Tilt Theory of Operation
Group 20F—Overheating Theory of Operation
Group 20G—Overall Hydraulic System Theory of Operation
Group 20H—Reel Speed Theory of Operation
Group 20I—Reel Fore/Aft Theory of Operation
Group 20J—Reel Raise/Lower Theory of Operation
Group 20K—Unloading Auger Swing Theory of Operation

Section 275—Engine Gearcase Systems Operation and Test
Group 00—Engine Gearcase Systems Diagnostics
Group 05—Main Engine Gearcase Hydraulic Specifications
Group 10—Steering System Theory of Operation
Group 15—Separator Drive System Theory of Operation
Group 20—Engine Gearcase Hydraulic Theory of Operation
Group 25—Engine Gearcase Control Valve Theory of Operation
Group 30—Unloading Auger Engage System Theory of Operation

Section 290—Heating/Air Conditioning Operation and Tests
Group 05—Specifications and Special Tools
Group 10—Heating/Air Conditioning System Diagnostic Information
Group 15—Heating/Air Conditioning System—Diagnostics
Group 20—Heating/Air Conditioning—Theory of Operation