John Deere 824 832 840 Trailed Crop Sprayers Workshop Repair Service Manual TM4782 PDF - MJODTM4782.zip
John Deere Trailed Crop Sprayers Models 824, 832, 840 Diagnosis & Tests Service Manual (TM4782)
Service manual TM4782 in PDF format, covering the John Deere trailed crop sprayers Models 824, 832 and 840 equipped with the ELC-1, EHC-2 or EL-4 control unit and the TwinFluid spraying system. This technical manual focuses on diagnosis and testing procedures.
Complete Diagnosis & Tests manual with Electrical Wiring Diagrams for John Deere Trailed Crop Sprayers Models 824, 832, 840, with all the shop information to maintain, diagnostic, repair, refurbish/rebuild like professional mechanics.
John Deere Trailed Crop Sprayers Models 824, 832, 840 workshop Operation & Test manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
Total Pages: 1,068 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
Safety
Safety Information
General Information
Description of the Machine
Torques for Hardware
Specifications
Electrical System
Connector Repair
Electrical Control
Troubleshooting (General)
Troubleshooting – EL4 Control Unit
Troubleshooting – ELC-1/EHC-2 Control Units
GreenStar™ Programming and Info
GreenStar™ Caution and Warning Statements
Power Train
Compressor
Gearbox
Brake System
Hydraulic Brake System
Pneumatic Brake System
Hydraulic System
Hydraulic Functions
Hydraulic Cylinders
Control Valves
Accumulator
Sensors
Adjustments
Hydraulic Diagrams
Miscellaneous
Welding and Repair
Function Diagrams
Sprayboom
Sprayboom Adjustments
Center Frame
Track Width Adjustment
Axle
Drawbar Adjustments
Drawbar
Parallelogram
Tank and Accessories
Spraying Liquid Tank
Rinse Tank
Pump
Pump
Lines and Valves
Sprayline
Activation Systems
Sensors
Boom Tilt Cylinder
Ball Valves
Regulating Unit
Air Pressure Regulating Unit
Spray Nozzles
Spray Nozzles
VRS
Distributor Tube
tm4782 - 824, 832 and 840 Trailed Crop Sprayers withELC-1/EHC-2 Control Unit/ with EL-4 Control Unit/ with TwinFluid- Spraying System
Table of Contents
Foreword
Section 05: Safety
Group 05: Safety Information
Admissible Use
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Keep Riders Off Machine
Prepare for Emergencies
Use of Safety Lighting and Provisions
Work in Clean Area
Chemical Safety
Danger Symbols
Mechanical Safety
Non-Permissible Use
Operators
Working Area
Means of Personal Protection
Illuminate Work Area Safely
Respiratory Protection
Skin Protection
Maintenance of Means of Personal Protection
Tractor Cab
Use Proper Lifting Equipment
Safety During Maintenance Work
Avoid High-Pressure Fluids
Avoid Heating Near Pressurized Fluid Lines
Use Proper Tools
Construct Dealer-Made Tools Safely
Live With Safety
Service Machines Safely
Remove Paint Before Welding or Heating
Section 10: General Information
Group 05: Description of the Machine
Identification Views
Machine Composition
Group 10: Torques for Hardware
Unified Inch Bolt and Cap Screw Torque Values
Metric Bolt and Cap Screw Torque Values
Group 15: Specifications
Capacities
Dimensions and Weights
Sound Level
Electrical Connection Requirements
Products to be Processed
Materials Applied
Physical Operating Conditions
Storing Lubricants
Use Genuine John Deere Parts
Section 40: Electrical System
Group 05: Connector Repair
Special Tools
Electrical Connector Handling
Disconnecting Electrical Circuit
Replacing Connectors
Insulated and Non-Insulated Connectors
Replacing DEUTSCHDEUTSCH is a trademark of Deutsch Co. Connectors
Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact
Group 10: Electrical Control
Electrical Control - Diagram
Power Supply
Fitting Electrical Socket to Tractor
Group 15: Troubleshooting (General)
Replacing Fuses
Circuit Board Connectors
Connector Identification
Other Designations (Identification)
Troubleshooting
Blown Fuse
Colour Codes according to DIN 47100
Pressure Sensor
Air Pressure Sensor
Flow Sensor
Wheel Sensor
Sensors for Drawbar Steering
Hydraulic Valve Block
Locking System Pull Switch
Electrical Function Diagrams
Hydraulic Function Diagrams
Group 20: Troubleshooting – EL4 Control Unit
Legend for Electrical Diagrams
Section Survey
Circuit Board Survey
Wire Survey
EL-4 Control Unit with Hy-Select
EHS-1 Control Unit
EHB-2 Control Unit
Wire W1 - EL-4 Control Unit to Main Board
Connector Function, Wire W1
Wire W2 - Hy-Select Control Unit to Hy-Select Board
Wiring Diagram – Wire W2
Connector Function, Wire W2
Wire W3 - EHS-1 Control Unit
Wiring Diagram – Wire W3
Wire W4 - EHB-2 Control Unit
Wiring Diagram – Wire W4
Main Board A01 (Standard Version)
Main board A05 (Edge Nozzle Version)
Main board A06 (OC Nozzle Version)
Main Board LEDs
Board A02 (Control of Main Shut-Off Valve and VRS Valves)
Function Diagram, Board A02
Board A03 (Control of Hy-Select Valve Block)
LEDs and Fuses of Board A03 (Hy-Select)
Circuit State of Board A03 (Hy-Select)
Board A04 (Electrical Boom Tilt Correction via Rotary Switch)
Board A04 (Hydraulic Boom Tilt Correction via Rotary Switch)
Board A07 (Drawbar Steering)
LEDs and Fuses of Board A07 (Drawbar Steering)
Wiring Diagram, Main Power Supply
SE01 – Wiring Diagram, Sensors, Pressure Regulator up to SN 002478
SE02 – Wiring Diagram, Boom Section Valves
SE03 – Wiring Diagram, Main Shut-Off Valve/VRS Valves
SE04 – Wiring Diagram, Sensors for Drawbar Steering/Wire W2 (Hy-Select Control Unit to Board A03)
SE05 – Wiring Diagram, Hy-Select Solenoid Valves
SE06 – Wiring Diagram, Electrical Boom Tilt Correction via Rotary Switch
SE07 – Wiring Diagram, Electrical Boom Tilt Correction via Toggle Switch
SE08 – Wiring Diagram, Edge Nozzle Control
SE09 – Wiring Diagram, OC Nozzle Control
SE10 – Wiring Diagram, Wire W1
SE11 – Wiring Diagram, Sensors for Drawbar Steering/Wire W4 (EHB-2 Control Unit to Board A07)
SE12 – Wiring Diagram, Hydraulic Boom Tilt Correction via Rotary Switch
SE13 – Wiring Diagram, Sensors, Pressure Regulator from SN 002478
Edge Nozzle Control
OC Nozzle Control
Test Sequence
Electrical System Troubleshooting
Application Rate Too High/Too Low
Main shut-off valve M/VRS valves do not operate. Relays K6, K7 do not operate
Main shut-off valve M/VRS valves do not operate. Relays K6, K7 are OK
Main shut-off valve/VRS valves do not operate. Fuse F7 blown.
Edge nozzle and/or last nozzle do not operate (main board A05)
OC nozzle does not operate (main board A06)
Drawbar steering not correct
Boom section valves do not operate. Fuse F8 OK
Boom section valve does not operate. Fuse F8/2A blown.
Boom folding/unfolding does not operate
Spraying pressure cannot be adjusted at the pressure regulator
Boom tilt correction via toggle switch does not operate
Boom tilt correction via rotary switch does not operate
Boom tilt system moves boom to left-hand or right-hand end position, regardless of rotary switch (potentiometer) position.
Control unit without operating voltage. Operating voltage present at main board/X101.
Spraying computer on control unit without operating voltage
Group 25: Troubleshooting – ELC-1/EHC-2 Control Units
Legend for Electrical Diagrams
Section Survey
Circuit Board Survey
Wire Survey
EHC-2 Control Box
Wire W1 – Main Power Supply
Functional Schematic – Main Power Supply
Connection Identification – Main Connector X1
Wire W2 – T-Splitter
Wire W4 – Main Connection of Main Board A03
Wire W5 – Board Main Power Supply
Wires W6, W7, W8 - Powerlink Extension
Board A01 - CAN-BUS
Board A02 - Powerlink Extension
Board A03 – Main Functions
Board A04 – Electrical Options (Standard Version)
Board A05 - Control of Main Shut-Off Valve / VRS Valves
Function Diagram of Board A05 - Control of Main Shut-Off Valve / VRS Valves
Connectors of board A05
Board A06 – Hydraulic Functions
Board A07 - TF Sections
SE01 - Wiring Diagram - Sensors, Pressure Regulator
SE02 - Wiring Diagram - Boom Section Valves (Spraying Liquid)
SE03 - Wiring Diagram - Main Shut-Off Valve/VRS Valves
SE04 - Wiring Diagram – Sensors, Electrical Boom Tilt Correction
SE05 - Wiring diagram – Sensors, Hydraulic Boom Tilt Correction
SE06 - Wiring Diagram – Electrical Options (Hydraulic Boom Tilt Correction)
SE07 - Wiring Diagram – Electrical Options (Electrical Boom Tilt Correction)
SE08 - Wiring Diagram – Hydraulic Functions
SE09 - Wiring diagram - TF Sections
SE10 - Wiring Diagram - Edge Nozzle
SE11 - Wiring Diagram - OC Nozzle
SE12 – Wiring Diagram – Electrical Boom Tilt Correction
SE13 - Wiring Diagram – Hydraulic Boom Tilt Correction
SE14 - Wiring Diagram – Automatic Filling
SE15 - Wiring Diagram - Semi-Automatic Filling
Test Sequence
Electrical System Troubleshooting
Control unit not operating
Control switch on control unit not operating
Application rate too high/too low
Main shut-off valve M/VRS valves do not operate. Relays K501, K502 do not operate.
Edge nozzle and/or last nozzle do not operate
OC nozzle does not operate
Drawbar steering does not operate correctly
Boom section valves do not operate.
Spraying pressure cannot be adjusted at the pressure regulator
Check Powerlink Boards for Proper Operation
Group 30: GreenStar™ Programming and Info
GREENSTARGREENSTAR is a trademark of Deere & Company Display and Keypad
Display and Keypad Function Identification
General Information
Quick Reference Chart RUN Page
RUN
Quick Reference Chart SETUP Page
SETUP
SETUP JD Sprayer
SETUP Job Settings
SETUP Tank Filling
SETUP Machine Settings
SETUP Sensor Calibration
SETUP Flow Sensor
SETUP Liquid Pressure Sensor
SETUP Wheel Sensor
SETUP Tank Sensor
SETUP Air Pressure Sensor
SETUP Spray Boom Settings
SETUP Nozzle Presets
SETUP Tank Settings
SETUP Regulation Settings
SETUP OEM Settings
SETUP Sensor Configuration
SETUP Spray Boom Configuration
SETUP Boom Balance PAGE 1
SETUP Boom Balance PAGE 2
SETUP Tank Configuration
SETUP Tank Shape
SETUP Regulation Details
SETUP Alarm Configuration
SETUP Language
SETUP GreenStar Display