John Deere Seed Metering CCS (Central Commodity System) for Air Seeders models 1690 CCS, 1890 CCS, 1990 CCS Diagnosis and Tests Service Technical Manual (TM2066)
Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 1690, 1890, 1990 Seed Metering Central Commodity System, with all the shop information to maintain, diagnose, and rebuild like professional mechanics.
John Deere Seed Metering CCS (Central Commodity System) for Air Seeders models 1690 CCS, 1890 CCS, 1990 CCS workshop Diagnosis & Tests technical 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.
tm2066 - John Deere 1690CCS, 1890CCS, 1990 Central Commodity System Seed Metering Technical Manual (Diagnosis and Tests).pdf
tm2066 - John Deere 1690CCS, 1890CCS, 1990 Central Commodity System Seed Metering Technical Manual (Diagnosis and Tests).epub
PRODUCT DETAILS:
Total Pages: 1,267 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
TABLE OF CONTENTS
Foreword
General Information
Safety
General Information
Lubricants
Specifications
Service Information Bulletins
Diagnostic Codes and Warnings
BMU - Control Unit
GS2 Warnings
Observed Symptoms
Electrical
Hydraulics
Electrical Diagnosis
How To Use This Diagnostic Information
2100-2600 GS2 Display
Diagnostic Trouble Codes
Diagnostic Addresses By Controller
Calibration Procedures
Auxiliary Power Diagnostics
CAN Bus Type Identification
CAN Bus Type A Diagnostics
CAN Bus Type B Diagnostics
CAN Bus Type C Diagnostics
CAN Bus Type D Diagnostics
Console Power Diagnostics
Electronic Population Rate Control Diagnostics
GreenStar Display and Stand-Alone Harness Diagnostics
Implement Height Sensor Diagnostics
Lighting - Overall Diagnostics
Meter Drive – Half-Width Disconnect Type Identification
Meter Drive – Half-Width Disconnect Type A
Meter Drive – Half-Width Disconnect Type B
Seed Population Monitoring Type Identification
Seed Population Monitoring Type A
Seed Population Monitoring Type B
SeedStar 2 Dual Rank Blockage Type Identification
SeedStar 2 Dual Rank Blockage Type A Diagnostics
SeedStar 2 Dual Rank Blockage Type B Diagnostics
SeedStar 2 Dual Rank Blockage Type C Diagnostics
SeedStar 2 Dual Rank Blockage Type D Diagnostics
SeedStar 2 Dual Rank Blockage Type E Diagnostics
SeedStar 2 Dual Rank Blockage Type F Diagnostics
SeedStar 2 Dual Rank Blockage Type G Diagnostics
SeedStar 2 Dual Rank Blockage Type H Diagnostics
SeedStar 2 Single Rank Blockage Diagnostics
Tank Filling Diagnostics
Tank Level Type Identification
Tank Level Type A Diagnostics
Tank Level Type B Diagnostics
Tank Level Type C Diagnostics
Connector Information
Component Identification
Hydraulic Diagnosis
General Information
Auxiliary Hydraulic Outlet Diagnostics
Metering Fan with Auxiliary Outlet Diagnostics
Metering Fan without Auxiliary Outlet Diagnostics
Component Location
TABLE OF CONTENTS................1
Section 210: General Information................242
Group 05: Safety................14
Recognize Safety Information................17
Understand Signal Words................18
Avoid High-Pressure Fluids................19
Stay Clear Of Air Hoses................20
Avoid Heating Near Pressurized Fluid Lines................21
Prepare for Emergencies................22
Support Machine Properly................23
Work in Clean Area................24
Wear Protective Clothing................25
Avoid Harmful Asbestos Dust................26
Service Machines Safely................27
Work In Ventilated Area................28
Illuminate Work Area Safely................29
Replace Safety Signs................30
Use Proper Lifting Equipment................31
Service Tires Safely................32
Practice Safe Maintenance................33
Use Proper Tools................34
Remove Paint Before Welding or Heating................35
Dispose of Waste Properly................36
Live With Safety................37
Group 10: General Information................242
Central Commodity System - Seed Metering System - Theory of Operation................1253
Group 20: Lubricants................14
Grease................43
Alternative and Synthetic Lubricants................44
Lubricant Storage................45
Group 30: Specifications................14
Specifications Specifications and design subject to change without notice.................14
Metric Bolt and Cap Screw Torque Values................48
Unified Inch Bolt and Cap Screw Torque Values................50
Face Seal Fittings Assembly and Installation—All Pressure Applications................52
Metric Face Seal Fitting Torque Chart—Standard Pressure Applications................53
Metric Face Seal Fitting Torque Chart—High Pressure Applications................55
SAE Face Seal Fitting Torque Chart—Standard Pressure Applications................57
SAE Face Seal Fitting Torque Chart—High Pressure Applications................59
External Hexagon Port Plug Torque Chart................61
Service Recommendations For Flare-Type Tube Fittings................63
Group 40: Service Information Bulletins................15
Service Information Bulletins (S.I.B.)................65
Section 211: Diagnostic Codes and Warnings................66
Group BMU: BMU - Control Unit................66
BMU 000516.09 - Radar Speed Not Detected................66
BMU 000517.09 - GPS Speed Not Detected................66
BMU 002128.14 - GS2 Display Out of Memory................66
BMU 002845.12 - Member Module Communication Loss................66
BMU 002845.13 - New Member Module Detected................66
BMU 003509.03 - Member Module Sensor Supply Voltage High................66
BMU 003509.04 - Member Module Sensor Supply Voltage Low High................66
BMU 005117.02 - Member Module B1 Intermittent Communication................66
BMU 005117.12 - Member Module B1 Communication Loss................66
BMU 005118.02 - Member Module B2 Intermittent Communication................66
BMU 005118.12 - Member Module B2 Communication Loss................66
BMU 005119.02 - Member Module B3 Intermittent Communication................66
BMU 005119.12 - Member Module B3 Communication Loss................66
BMU 005120.02 - Member Module B4 Intermittent Communication................66
BMU 005120.12 - Member Module B4 Communication Loss................66
BMU 005121.02 - Member Module B5 Intermittent Communication................66
BMU 005121.12 - Member Module B5 Communication Loss................66
BMU 005122.02 - Member Module B6 Intermittent Communication................66
BMU 005122.12 - Member Module B6 Communication Loss................66
BMU 005123.02 - Member Module B7 Intermittent Communication................66
BMU 005123.12 - Member Module B7 Communication Loss................66
BMU 005124.02 - Member Module B8 Intermittent Communication................66
BMU 005124.12 - Member Module B8 Communication Loss................66
BMU 005128.02 - Member Module Sensor Supply Voltage B1 Erratic................66
BMU 005129.02 - Member Module Sensor Supply Voltage B2 Erratic................66
BMU 005130.02 - Member Module Sensor Supply Voltage B3................66
BMU 005131.02 - Member Module Sensor Supply Voltage B4................66
BMU 005132.02 - Member Module Sensor Supply Voltage B5 Erratic................66
BMU 005133.02 - Member Module Sensor Supply Voltage B6 Erratic................66
BMU 005134.02 - Member Module Sensor Supply Voltage B7 Erratic................66
BMU 005135.02 - Member Module Sensor Supply Voltage B8 Erratic................66
BMU 522972.31 - Module B8 Row 12 Sensor is Non-Operational................67
BMU 522973.31 - Module B8 Row 11 Sensor is Non-Operational................67
BMU 522974.31 - Module B8 Row 10 Sensor is Non-Operational................67
BMU 522979.31 - Module B8 Row 9 Sensor is Non-Operational................67
BMU 522980.31 - Module B8 Row 8 Sensor is Non-Operational................67
BMU 522981.31 - Module B8 Row 7 Sensor is Non-Operational................67
BMU 522982.31 - Module B8 Row 6 Sensor is Non-Operational................67
BMU 522983.31 - Module B8 Row 5 Sensor is Non-Operational................67
BMU 522984.31 - Module B8 Row 4 Sensor is Non-Operational................67
BMU 522985.31 - Module B8 Row 3 Sensor is Non-Operational................67
BMU 522986.31 - Module B8 Row 2 Sensor is Non-Operational................67
BMU 522987.31 - Module B8 Row 1 Sensor is Non-Operational................67
BMU 522988.31 - Module B7 Row 12 Sensor is Non-Operational................67
BMU 522989.31 - Module B7 Row 11 Sensor is Non-Operational................67
BMU 522990.31 - Module B7 Row 10 Sensor is Non-Operational................67
BMU 522991.31 - Module B7 Row 9 Sensor is Non-Operational................67
BMU 522992.31 - Module B7 Row 8 Sensor is Non-Operational................67
BMU 522993.31 - Module B7 Row 7 Sensor is Non-Operational................67
BMU 522994.31 - Module B7 Row 6 Sensor is Non-Operational................67
BMU 522995.31 - Module B7 Row 5 Sensor is Non-Operational................67
BMU 522996.31 - Module B7 Row 4 Sensor is Non-Operational................67
BMU 522997.31 - Module B7 Row 3 Sensor is Non-Operational................67
BMU 522998.31 - Module B7 Row 2 Sensor is Non-Operational................67
BMU 522999.31 - Module B7 Row 1 Sensor is Non-Operational................67
BMU 523000.31 - Module B6 Row 12 Sensor is Non-Operational................67
BMU 523001.31 - Module B6 Row 11 Sensor is Non-Operational................67
BMU 523002.31 - Module B6 Row 10 Sensor is Non-Operational................67
BMU 523004.31 - Module B6 Row 9 Sensor is Non-Operational................67
BMU 523005.31 - Module B6 Row 8 Sensor is Non-Operational................67
BMU 523006.31 - Module B6 Row 7 Sensor is Non-Operational................67
BMU 523007.31 - Module B6 Row 6 Sensor is Non-Operational................67
BMU 523008.31 - Module B6 Row 5 Sensor is Non-Operational................67
BMU 523009.31 - Module B6 Row 4 Sensor is Non-Operational................67
BMU 523010.31 - Module B6 Row 3 Sensor is Non-Operational................68
BMU 523011.31 - Module B6 Row 2 Sensor is Non-Operational................68
BMU 523012.31 - Module B6 Row 1 Sensor is Non-Operational................68
BMU 523013.31 - Module B5 Row 12 Sensor is Non-Operational................68
BMU 523014.31 - Module B5 Row 11 Sensor is Non-Operational................68
BMU 523015.31 - Module B5 Row 10 Sensor is Non-Operational................68
BMU 523016.31 - Module B5 Row 9 Sensor is Non-Operational................68
BMU 523017.31 - Module B5 Row 8 Sensor is Non-Operational................68
BMU 523018.31 - Module B5 Row 7 Sensor is Non-Operational................68
BMU 523019.31 - Module B5 Row 6 Sensor is Non-Operational................68
BMU 523020.31 - Module B5 Row 5 Sensor is Non-Operational................68
BMU 523021.31 - Module B5 Row 4 Sensor is Non-Operational................68
BMU 523022.31 - Module B5 Row 3 Sensor is Non-Operational................68
BMU 523023.31 - Module B5 Row 2 Sensor is Non-Operational................68
BMU 523024.31 - Module B5 Row 1 Sensor is Non-Operational................68
BMU 523025.31 - Module B4 Row 12 Sensor is Non-Operational................68
BMU 523026.31 - Module B4 Row 11 Sensor is Non-Operational................68
BMU 523027.31 - Module B4 Row 10 Sensor is Non-Operational................68
BMU 523028.31 - Module B4 Row 9 Sensor is Non-Operational................68
BMU 523029.31 - Module B4 Row 8 Sensor is Non-Operational................68
BMU 523030.31 - Module B4 Row 7 Sensor is Non-Operational................68
BMU 523031.31 - Module B4 Row 6 Sensor is Non-Operational................68
BMU 523032.31 - Module B4 Row 5 Sensor is Non-Operational................68
BMU 523033.31 - Module B4 Row 4 Sensor is Non-Operational................68
BMU 523034.31 - Module B4 Row 3 Sensor is Non-Operational................68
BMU 523035.31 - Module B4 Row 2 Sensor is Non-Operational................68
BMU 523036.31 - Module B4 Row 1 Sensor is Non-Operational................68
BMU 523037.31 - Module B3 Row 12 Sensor is Non-Operational................68
BMU 523038.31 - Module B3 Row 11 Sensor is Non-Operational................68
BMU 523039.31 - Module B3 Row 10 Sensor is Non-Operational................68
BMU 523040.31 - Module B3 Row 9 Sensor is Non-Operational................68
BMU 523042.31 - Module B3 Row 8 Sensor is Non-Operational................68
BMU 523043.31 - Module B3 Row 7 Sensor is Non-Operational................68
BMU 523044.31 - Module B3 Row 6 Sensor is Non-Operational................69
BMU 523045.31 - Module B3 Row 5 Sensor is Non-Operational................69
BMU 523046.31 - Module B3 Row 4 Sensor is Non-Operational................69
BMU 523047.31 - Module B3 Row 3 Sensor is Non-Operational................69
BMU 523048.31 - Module B3 Row 2 Sensor is Non-Operational................69
BMU 523049.31 - Module B3 Row 1 Sensor is Non-Operational................69
BMU 523050.31 - Module B2 Row 12 Sensor is Non-Operational................69
BMU 523051.31 - Module B2 Row 11 Sensor is Non-Operational................69
BMU 523052.31 - Module B2 Row 10 Sensor is Non-Operational................69
BMU 523053.31 - Module B2 Row 9 Sensor is Non-Operational................69
BMU 523054.31 - Module B2 Row 8 Sensor is Non-Operational................69
BMU 523055.31 - Module B2 Row 7 Sensor is Non-Operational................69
BMU 523056.31 - Module B2 Row 6 Sensor is Non-Operational................69
BMU 523057.31 - Module B2 Row 5 Sensor is Non-Operational................69
BMU 523058.31 - Module B2 Row 4 Sensor is Non-Operational................69
BMU 523059.31 - Module B2 Row 3 Sensor is Non-Operational................69
BMU 523060.31 - Module B2 Row 2 Sensor is Non-Operational................69
BMU 523061.31 - Module B2 Row 1 Sensor is Non-Operational................69
BMU 523062.31 - Module B1 Row 12 Sensor is Non-Operational................69
BMU 523063.31 - Module B1 Row 11 Sensor is Non-Operational................69
BMU 523064.31 - Module B1 Row 10 Sensor is Non-Operational................69
BMU 523065.31 - Module B1 Row 9 Sensor is Non-Operational................69
BMU 523066.31 - Module B1 Row 8 Sensor is Non-Operational................69
BMU 523067.31 - Module B1 Row 7 Sensor is Non-Operational................69
BMU 523068.31 - Module B1 Row 6 Sensor is Non-Operational................69
BMU 523069.31 - Module B1 Row 5 Sensor is Non-Operational................69
BMU 523070.31 - Module B1 Row 4 Sensor is Non-Operational................69
BMU 523071.31 - Module B1 Row 3 Sensor is Non-Operational................69
BMU 523072.31 - Module B1 Row 2 Sensor is Non-Operational................69
BMU 523073.31 - Module B1 Row 1 Sensor is Non-Operational................69
BMU 523194.10 - Member Module Row Sensors are Non-Operational................69
BMU 523319.03 - Master Blockage Control Unit Supply Voltage High................69
BMU 523319.04 - Master Blockage Control Unit Supply Voltage Low................69
BMU 523418.31 - CCS Tank Level Low................70
BMU 523651.02 - Software Memory Intermittent Loss................70
BMU 523651.11 - Chassis Ground Circuit Open Software Memory Loss................70
BMU 523673.05 - Chassis Ground Circuit Open................70
BMU 524054.14 - Acres to Zero................70
BMU 524055.11 - NOVRAM Memory Default Reset................70
Group 1: GS2 Warnings................70
GS2 - Acres to Zero................70
GS2 - Low Tank Level................70
GS2 - Some Seed Sensors Are Being Ignored................70
Section 212: Observed Symptoms................212
Group 240: Electrical................212
Auxiliary Power Diagnostics................268
Console Power Diagnostics................442
Electronic Population Rate Control Diagnostics................449
Half Width Disconnect Diagnostics................212
Lighting Tank Fill Diagnostics................212
Lighting - Overall Diagnostics................491
Low Tank Level Warning Diagnostics................212
Group 270: Hydraulics................212
Auxiliary Hydraulic Outlet Diagnostics................1240
Metering Fan with Auxiliary Outlet Diagnostics................1246
Metering Fan without Auxiliary Outlet Diagnostics................1255
Section 240: Electrical Diagnosis................225
Group 05: How To Use This Diagnostic Information................225
General Information................242
Group 10A: 2100-2600 GS2 Display................225
General Information................242
Group 10B: Diagnostic Trouble Codes................225
Accessing GREENSTAR 2 Diagnostic Trouble Codes................246
Diagnostic Trouble Codes — BMU — Blockage Master Control Unit................248
Group 10C: Diagnostic Addresses By Controller................225
Accessing GREENSTAR 2 Diagnostic Addresses................257
Diagnostic Addresses — BMU — Blockage Master Control Unit................259
Group 10D: Calibration Procedures................225
Implement Height Switch Calibration Check................263
Tank Meter Calibration Check................264
Group 15A: Auxiliary Power Diagnostics................268
Theory of Operation................1253
Electrical Schematic................521
Auxiliary Power Diagnostics................268
Group 15B: CAN Bus Type Identification................272
CAN Bus Type Identification................272
Group 15C: CAN Bus Type A Diagnostics................279
CAN Bus Type A Theory of Operation................1253
CAN Bus Type A Schematic................277
CAN Bus Type A Harness Layout................278
CAN Bus Type A Diagnostics................279
Group 15D: CAN Bus Type B Diagnostics................316
CAN Bus Type B Theory of Operation................1253
CAN Bus Type B Schematic................314
CAN Bus Type B Diagnostics................316
Group 15E: CAN Bus Type C Diagnostics................359
CAN Bus Type C Theory of Operation................1253
CAN Bus Type C Schematic................357
CAN Bus Type C Diagnostics................359
Group 15F: CAN Bus Type D Diagnostics................411
CAN Bus Type D Theory of Operation................1253
CAN Bus Type D Schematic................409
CAN Bus Type D Harness Layout................410
CAN Bus Type D Diagnostics................411
Group 15G: Console Power Diagnostics................442
Theory of Operation................1253
Electrical Schematic................521
Console Power Diagnostics................442
Group 15H: Electronic Population Rate Control Diagnostics................449
Theory of Operation................1253
Electrical Schematic................521
Electronic Population Rate Control Diagnostics................449
Group 15I: GreenStar Display and Stand-Alone Harness Diagnostics................226
GreenStar Display and Stand-Alone Harness Theory of Operation................1253
GreenStar Display and Stand-Alone Harness Schematic................458
GreenStar Display and Stand-Alone Harness Diagnostic................460
Group 15J: Implement Height Sensor Diagnostics................226
Implement Height Sensor Theory of Operation................1253
Implement Height Switch Schematic................481
Implement Height Switch Diagnostics................482
Group 15K: Lighting - Overall Diagnostics................491
Theory of Operation................1253
Electrical Schematic................521
Lighting - Overall Diagnostics................491
Group 15L: Meter Drive – Half-Width Disconnect Type Identification................518
Meter Drive – Half-Width Disconnect Type Identification................518
Group 15M: Meter Drive – Half-Width Disconnect Type A................226
Theory of Operation................1253
Electrical Schematic................521
Half Width Disconnect Type A Diagnostics................522
Group 15N: Meter Drive – Half-Width Disconnect Type B................227
Meter Drive – Half-Width Disconnect Type B Theory of Operation................1253
Meter Drive – Half-Width Disconnect Type B Schematic................533
Meter Drive - Half-Width Disconnect Type B Diagnostics................534
Group 15NN: Meter Drive – Half-Width Disconnect Type C................227
Meter Drive – Half-Width Disconnect Type C Theory of Operation................1253
Meter Drive – Half-Width Disconnect Type C Schematic................567
Meter Drive – Half-Width Disconnect Type C Diagnostics................568
Group 15O: Seed Population Monitoring Type Identification................595
Seed Population Monitoring Type Identification................595
Group 15P: Seed Population Monitoring Type A................597
Seed Population Monitoring Type A................597
Group 15Q: Seed Population Monitoring Type B................227
Seed Population Monitoring Type B Theory of Operation................1253
Seed Population Monitoring Type B Diagnostics................600
Group 15R: SeedStar 2 Dual Rank Blockage Type Identification................603
SeedStar 2 Dual Rank Blockage Type Identification................603
Group 15S: SeedStar 2 Dual Rank Blockage Type A Diagnostics................612
SeedStar 2 Dual Rank Blockage Type A Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type A Schematics................609
SeedStar 2 Dual Rank Blockage Type A Diagnostics................612
Group 15T: SeedStar 2 Dual Rank Blockage Type B Diagnostics................653
SeedStar 2 Dual Rank Blockage Type B Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type B Schematics................650
SeedStar 2 Dual Rank Blockage Type B Diagnostics................653
Group 15U: SeedStar 2 Dual Rank Blockage Type C Diagnostics................690
SeedStar 2 Dual Rank Blockage Type C Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type C Schematics................687
SeedStar 2 Dual Rank Blockage Type C Diagnostics................690
Group 15V: SeedStar 2 Dual Rank Blockage Type D Diagnostics................734
SeedStar 2 Dual Rank Blockage Type D Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type D Schematics................731
SeedStar 2 Dual Rank Blockage Type D Diagnostics................734
Group 15W: SeedStar 2 Dual Rank Blockage Type E Diagnostics................773
SeedStar 2 Dual Rank Blockage Type E Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type E Schematics................769
SeedStar 2 Dual Rank Blockage Type E Diagnostics................773
Group 15X: SeedStar 2 Dual Rank Blockage Type F Diagnostics................821
SeedStar 2 Dual Rank Blockage Type F Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type F Schematics................818
SeedStar 2 Dual Rank Blockage Type F Diagnostics................821
Group 15Y: SeedStar 2 Dual Rank Blockage Type G Diagnostics................863
SeedStar 2 Dual Rank Blockage Type G Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type G Schematics................859
SeedStar 2 Dual Rank Blockage Type G Diagnostics................863
Group 15Z: SeedStar 2 Dual Rank Blockage Type H Diagnostics................908
SeedStar 2 Dual Rank Blockage Type H Theory of Operation................1253
SeedStar 2 Dual Rank Blockage Type H Schematics................905
SeedStar 2 Dual Rank Blockage Type H Diagnostics................908
Group 15AA: SeedStar 2 Single Rank Blockage Diagnostics................948
SeedStar 2 Single Rank Blockage Theory of Operation................1253
SeedStar 2 Single Rank Blockage Schematics................946
SeedStar 2 Single Rank Blockage Diagnostics................948
Group 15AB: Tank Filling Diagnostics................228
Tank Filling Theory of Operation................1253
Tank Filling Schematic................986
Tank Filling Diagnostic................987
Group 15AC: Tank Level Type Identification................995
Tank Level Type Identification................995
Group 15AD: Tank Level Type A Diagnostics................1000
Tank Level Type A Schematic................998
Tank Level Type A Diagnostics................1000
Group 15AE: Tank Level Type B Diagnostics................1017
Tank Level Type B Theory of Operation................1253
Tank Level Type B Schematic................1016
Tank Level Type B Diagnostics................1017
Group 15AF: Tank Level Type C Diagnostics................1043
Tank Level Type C Theory Of Operation................1041
Tank Level Type C Schematic................1042
Tank Level Type C Diagnostics................1043
Group 20A: Connector Information................229
X1 to X99 Connector Information................1064
X100 to X199 Connector Information................1084
X200 to X299 Connector Information................1152
X300 to X399 Connector Information................1163
X400 to X499 Connector Information................1171
X600 to X699 Connector Information................1188
X3000 to 3999 Connector Information................1209
Group 20B: Component Identification................1222
Component Identification................1222
Section 270: Hydraulic Diagnosis................1227
Group 05: General Information................242
How To Use This Section................1229
Hydraulic Cautions................1230
Testing Precautions................1231
Hydraulic Symbols................1232
Component Names................1234
Glossary................1235
Preliminary Checks................1236
Group 15A: Auxiliary Hydraulic Outlet Diagnostics................1240
Theory of Operation................1253
Hydraulic Schematic................1254
Auxiliary Hydraulic Outlet Diagnostics................1240
Group 15B: Metering Fan with Auxiliary Outlet Diagnostics................1246
Theory of Operation................1253
Hydraulic Schematic................1254
Metering Fan with Auxiliary Outlet Diagnostics................1246
Group 15C: Metering Fan without Auxiliary Outlet Diagnostics................1255
Theory of Operation................1253
Hydraulic Schematic................1254
Metering Fan without Auxiliary Outlet Diagnostics................1255
Group 20: Component Location................1227
Hydraulic Component Location................1262
John Deere Seed Metering CCS (Central Commodity System) for Air Seeders models 1690 CCS, 1890 CCS, 1990 CCS Diagnosis and Tests Service Technical Manual (TM2066)
