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John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 & 6920S & SE Tractors Technical Manual (Diagnostics) (TM4741)


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TM4726 – John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 & 6920S & SE Tractors Technical Manual (Diagnostics) (TM4741)

TM4726 – John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 & 6920S & SE Tractors Technical Manual (Diagnostics).pdf
1,496 pages, bookmarked, Searchable, Printable, high quality PDF

For complete service information also see:
6020 to 6920S Tractors and SE Tractors Diagnostics . . TM4726
6020 to 6620 Tractors and SE Tractors Repair. . TM4750
6820, 6920 and 6920S Tractors Repair. . TM4756
Front-Wheel Drive Axles (AS and MS Series) . . CTM4687
Front-Wheel Drive Axles (700 Series) . . CTM4820
POWERTECH Engines . . CTM104
Mechanical Fuel Injection Systems . . CTM207
Electronic Fuel Injection Systems (Level 4) . . CTM170
Electronic Fuel Injection Systems (Level 1) . . CTM284
Electronic Fuel Injection Systems (Level 11). . CTM220
Electronic Fuel Injection Systems (Level 12). . CTM331
Alternators and Starting Motors . . CTM77

Complete Technical Manual (Diagnostics) for John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

Foreword
This diagnostics manual is valid for the following tractor types:
6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 and 6920S.
SE tractors: 6020, 6120, 6220, 6320, 6420 and 6520.

TABLE OF CONTENTS
SECTION 210—GENERAL INFORMATION
Group 05—Safety Information
SECTION 211—DIAGNOSTIC TROUBLE CODES
Group ATC—ATC Diagnostic Trouble Codes
Group BCU—BCU Diagnostic Trouble Codes
Group BIF—BIF Diagnostic Trouble Codes
Group ECU—ECU Diagnostic Trouble Codes
Group EPC—EPC Diagnostic Trouble Codes
Group JDL—JDL Diagnostic Trouble Codes
Group PLC—PLC Diagnostic Trouble Codes
Group PRF—PRF Diagnostic Trouble Codes
Group SFA—SFA Diagnostic Trouble Codes
Group SIC—SIC Diagnostic Trouble Codes
Group SSU—SSU Diagnostic Trouble Codes
Group TCU—TCU Diagnostic Trouble Codes
Group TEC—TEC Diagnostic Trouble Codes
Group UIC—UIC Diagnostic Trouble Codes
SECTION 212—OBSERVABLE SYMPTOMS
Group 20—Engine
Group 40—Electrical System
Group 50—SyncroPlus Transmission
Group 51—Power Reverser Transmission
Group 53—AutoPowr/IVT Transmission
Group 55—PowrQuad, PowrQuad Plus and
AutoQuad Transmissions
Group 56—Drive Systems
Group 60—Steering and Brakes
Group 70—Hydraulic System
Group 90—Operator’s Cab
SECTION 213—SYSTEM DIAGNOSTICS
Group 45—Electronics
INDX

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Caterpillar 924H, 924HZ, 928HZ and 930H Wheel Loaders Factory Service & Shop Manual


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Caterpillar 924H, 924HZ, 928HZ and 930H Wheel Loaders Factory Service & Shop Manual
Complete workshop & service manual with electrical wiring diagrams for Caterpillar 924H, 924HZ, 928HZ and 930H Wheel Loaders. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Caterpillar 924H, 924HZ, 928HZ and 930H Wheel Loaders service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

MANUAL LIST:
KENR7603 – Disassembly and Assembly (924H, 924HZ, 928HZ and 930H Wheel Loaders Engine Supplement)
KENR7604 – Specifications (924H, 924HZ, 928HZ and 930H Wheel Loaders Power Train)
KENR7605 – Systems Operation (924H, 924HZ, 928HZ and 930H Wheel Loaders Power Train)
KENR7605 – Testing and Adjusting (924H, 924HZ, 928HZ and 930H Wheel Loaders Power Train)
KENR7606 – Disassembly and Assembly (924H, 924HZ, 928HZ and 930H Wheel Loaders Power Train)
KENR7607 – Specifications (924H, 924HZ, 928HZ and 930H Wheel Loaders Braking and Hydraulic Fan System)
KENR7607 – Systems Operation (924H, 924HZ, 928HZ and 930H Wheel Loaders Braking and Hydraulic Fan System)
KENR7607 – Testing and Adjusting (924H, 924HZ, 928HZ and 930H Wheel Loaders Braking and Hydraulic Fan System)
KENR7610 – Specifications (924H, 924HZ, 928HZ and 930H Wheel Loaders Hydraulic System)
KENR7613 – Specifications (930H Wheel Loader Steering System)
KENR7613 – Systems Operation (930H Wheel Loader Steering System)
KENR7613 – Testing and Adjusting (930H Wheel Loader Steering System)
KENR7616 – Systems Operation (930H Wheel Loader Hydraulic System)
KENR7616 – Testing and Adjusting (930H Wheel Loader Hydraulic System)
KENR7617 – Disassembly and Assembly (924H, 924Hz, 928Hz and 930H Wheel Loaders Machine Systems)
KENR7620 – Schematic (930H Wheel Loader Hydraulic System (for DHC1-2516 and FTD1-UP)
KENR7621 – Troubleshooting (924H, 924HZ, 928HZ and 930H Wheel Loaders)
KENR7623 – Schematic (924H, 924HZ, 928HZ, and 930H Wheel Loader Electrical System (for HXC1-835, JTM1-789, PED1-564, BYD1-384, CXK1-430, DHC1-966, and FTD1-995. All other Serial Numbers 1-UP)
KENR7625 – Systems Operation (924H, 924HZ, 928HZ and 930H Wheel Loaders Monitoring System)
KENR7625 – Testing and Adjusting (924H, 924HZ, 928HZ and 930H Wheel Loaders Monitoring System)
KENR7626 – Specifications (924H, 924HZ, 928HZ and 930H Wheel Loaders Machine Systems)
KENR7626 – Systems Operation (924H, 924HZ, 928HZ and 930H Wheel Loaders Machine Systems)
KENR9440 – Disassembly and Assembly (924H, 924HZ, 928HZ and 930H Wheel Loaders Machine Systems)
KENR9535 – Schematic (924H, 924HZ, 928HZ, and 930H Wheel Loader Electrical System)
UENR5397 – Schematic (930H Wheel Loader Hydraulic System (For Serial Numbers DHC2517-UP)

EXCERPT:
14. Remove bolt (17) .
15. Remove nut (16) .
16. Disconnect harness assemblies (18) and (19) .
Illustration 11
17. Disconnect wires (20) .
18. Remove bolt (23) .
19. Remove nut (22) .
20. Remove blower assembly (21) from the case assembly.

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Caterpillar 308D CR Series Excavators Factory Service & Shop Manual


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Caterpillar 308D CR Series Excavators Factory Service & Shop Manual
Complete workshop & service manual with electrical wiring diagrams for Caterpillar 308D CR Series Excavators. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

Caterpillar 308D CR Series Excavators service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

MANUAL LIST:
KENR6164 – Systems Operation (308D CR Excavator Hydraulic System)
KENR6165 – Testing and Adjusting (308D CR Mini Hydraulic Excavator Hydraulic System)
KENR6799 – Specifications (308D, 314D, 321D and 328D Excavators Air Conditioning and Heating)
KENR6799 – Systems Operation (308D, 314D, 321D and 328D Excavators Air Conditioning and Heating)
KENR6799 – Testing and Adjusting (308D, 314D, 321D and 328D Excavators Air Conditioning and Heating)
KENR7708 – Schematic (308D Excavator Hydraulic System)
KENR8224 – Schematic (308D CR SB Excavator Electrical System)
RENR9740 – Disassembly and Assembly (308D CR Excavator Engine Supplement)
RENR9741 – Disassembly and Assembly (308D CR Excavator Machine Systems)

EXCERPT:
Blade RAISE
During a BLADE RAISE operation, the oil delivery from main pump (20) flows through line (19) to parallel feeder passage (5) in main control valve (2). Oil flows to blade control valve (12) .
Pilot pump (21) supplies oil to pilot control valve (16) through line (15). When the joystick for the blade is moved to the full BLADE RAISE position, the pilot oil flows from pilot control valve (16) through pilot line (13). The pilot oil flows to blade control valve (12) .
The pilot oil flow shifts blade control valve (12) for BLADE RAISE operation. The oil delivery from the main pump in parallel feeder passage (5) flows through passage (8) through blade control valve (12). The oil delivery from the main pump then flows through line (6) to the head end of blade cylinder (1) .
Return oil from the rod end of blade cylinder (1) flows through line (11) to blade control valve (12). The oil then flows through passage (9) and through return line (17) and line (18) to the hydraulic tank (23) .
Blade FLOAT
In the FLOAT position, no pump oil is supplied to the blade cylinder. No hydraulic control is used on the blade cylinder. The mass (size and weight) of the blade causes the blade to stay on the ground. The FLOAT position is suitable for levelling work on a soft surface.
When the blade control lever is moved forward into the detent position, the blade is placed in the FLOAT position. Blade control valve (12) shifts for the FLOAT operation. This allows oil to flow from the rod end of the cylinder and the head end of the cylinder through blade control valve (12).

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John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual (Operation and Tests) (TM4741)


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John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual (Operation and Tests) (TM4741)

TM4741 – John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual (Operation and Tests).pdf
3,474 pages, bookmarked, Searchable, Printable, high quality PDF

For complete service information also see:
6020 to 6920S Tractors and SE Tractors Diagnostics . . TM4726
6020 to 6620 Tractors and SE Tractors Repair. . TM4750
6820, 6920 and 6920S Tractors Repair. . TM4756
Front-Wheel Drive Axles (AS and MS Series) . . CTM4687
Front-Wheel Drive Axles (700 Series) . . CTM4820
POWERTECH Engines . . CTM104
Mechanical Fuel Injection Systems . . CTM207
Electronic Fuel Injection Systems (Level 4) . . CTM170
Electronic Fuel Injection Systems (Level 1) . . CTM284
Electronic Fuel Injection Systems (Level 11). . CTM220
Electronic Fuel Injection Systems (Level 12). . CTM331
Alternators and Starting Motors . . CTM77

Complete Technical Manual (Operation and Tests) for John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

Foreword
This “Operation and Tests” manual applies to the following tractor types:
6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 and 6920S.
SE tractors: 6020, 6120, 6220, 6320, 6420 and 6520.
This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.

TABLE OF CONTENTS
SECTION 210—GENERAL INFORMATION
Group 05—Safety Measures
Group 15—General References
SECTION 250—SYNCROPLUS TRANSMISSION
Group 05—Introductory Checks
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 220—ENGINE
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
SECTION 230—FUEL, AIR INTAKE AND COOLING SYSTEMS
Group 15—Tests and Adjustments
Group 20—Descriptions
SECTION 251—POWER REVERSER
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 240—ELECTRICAL SYSTEM
Group 10—Sub-System Diagnostics (Cab)
Group 10A—Sub-System Diagnsotics (Open Operator’s Station)
Group 10B—Sub-System Diagnostics (SE Tractor)
Group 15—Component Testing
Group 25—Functional Schematics (AutoPowr/IVT Transmission)
Group 25A—Functional Schematics (PowrQuad Plus & AutoQuad Transm.)
Group 25B—Functional Schematics (Open Operator’s Station)
Group 25C—Functional Schematics (SE Tractor)
Group 26—Wiring Harnesses
SECTION 253—AUTOPOWR/IVT TRANSMISSION
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 245—ELECTRONIC CONTROL UNITS
Group 05—Operation and General Information on Diagnostics
Group 10—Data BUS Systems, Diagnosis
Group 20—Data BUS Systems, Theory of Operation
Group BCU—BCU – Basic Control Unit
Group BIF—BIF – Basic Informator
Group ECU—ECU – Engine Control Unit
Group EPC—EPC – Control Unit for PowrQuad Plus and AutoQuad Transmissions
Group JDL—JDL – Control Unit for JDLink
Group PLC—PLC – Park Lock Controller
Group PRF—PRF – Performance Monitor
Group SFA—SFA – Control Unit for Front-Wheel Drive Axle and Cab Suspension
Group SIC—SIC – E-SCV/E-ICV Controller
SECTION 255—POWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation 245
SECTION 256—DRIVE SYSTEMS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation 250
SECTION 260—STEERING AND BRAKES
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 270—HYDRAULIC SYSTEM
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 280—MISCELLANEOUS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
Continued on next page
SECTION 290—OPERATOR’S CAB
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 299—SPECIAL TOOLS
(Dealer-Fabricated)
Group 05—Special Tools (Dealer-Fabricated)

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John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors Repair Technical Manual (TM4750)


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John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors Repair Technical Manual (TM4750)

TM4750 – John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors Technical Manual (Repair).pdf
1,948 pages, bookmarked, Searchable, Printable, high quality PDF

For complete service information also see:
6020 to 6920S Tractors and SE Tractors Operation and Tests . .TM4741
6020 to 6920S Tractors and SE Tractors Diagnostics . .TM4726
Front-Wheel Drive Axles (AS and MS Series) . .CTM4687
Front-Wheel Drive Axles (700 Series) . .CTM4820
POWERTECH  Diesel Engines . .CTM104
Mechanical Fuel Injection Systems . .CTM207
Electronic Fuel Injection Systems Level 1 . .CTM284
Level 4 . .CTM170
Level 11 . .CTM220
Level 12 . .CTM331
Alternators and Starting Motors (available in English only). .CTM77

Complete Technical Manual (Repair) for John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors Technical Manual (Repair) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

TABLE OF CONTENTS
SECTION 05—SAFETY
Group 05—Safety Measures
SECTION 10—GENERAL INFORMATION
Group 05—Specifications
Group 10—Tune-Up
Group 15—Predelivery Inspection
AutoPowr/IVT Transmission
05—Transmission Shift Controls
10—Input Housing
15—Output Housing
20—Assembling the Differential Drive Shaft
SECTION 55—POWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS
Group 00—Removal and Installation of Components
Group 05—Transmission Shift Controls
Group 10—PowrQuad Module
Group 15—Creeper Transmission
Group 20—Option Transmission
Group 25—Range Transmission
SECTION 20—ENGINE
Group 00—Engine Removal and Installation
SECTION 30—FUEL, AIR INTAKE, COOLING AND EXHAUST SYSTEMS
Group 05—Speed Control Linkage
Group 10—Fuel System
Group 15—Air Intake System
Group 20—Cooling System
Group 25—Cold-Weather Starting Aids
Group 30—Exhaust System
SECTION 56—DRIVE SYSTEMS
Group 00—Removal and Installation of Components
Group 05—U-Jointed Shafts and Torsion Damper
Group 10—Front-Wheel Drive Clutch
Group 15—Differential
Group 20—Hydraulic Pump Drive
Group 25—Final Drives
Group 30—Rear PTO Options
Group 35—Front PTO
Group 40—Front Implement Drive
SECTION 40—ELECTRICAL SYSTEM
Group 05—Connectors
Group 10—Wiring Harnesses
Group 15—Charging Circuit
Group 20—Starter Motor Circuit
Group 25—Fuses, Relays and Switches
Group 30—Monitoring Systems
Group 40—Electrical Components
SECTION 60—STEERING AND BRAKES
Group 05—Hydrostatic Steering
Group 10—Steering Cylinder(s)
Group 15—Brake Valve
Group 20—Rear Brakes
Group 25—Handbrake
Group 30—Hydraulic Trailer Brake
Group 35—Air Brakes
SECTION 50—SYNCROPLUS TRANSMISSION
Group 00—Removal and Installation of
Transmission Components
Group 05—Transmission Shift Controls
Group 10—Perma Clutch II Module
Group 15—Gear Transmission
SECTION 51—POWER REVERSER TRANSMISSION
Group 00—Removal and Installation of Power
Reverser Module
Group 05—Transmission Shift Controls
Group 10—Power Reverser Module
Group 15—Gear Transmission
SECTION 70—HYDRAULIC SYSTEM
Group 05—Controls
Group 10—Hydraulic Pump and Charge Pump (PFC
Hydraulic System)
Group 11—Hydraulikpumpe (PC-Hydrauliksystem)
Group 15—Valves
SECTION 53—AUTOPOWR/IVT TRANSMISSION
Group 00—Removing and Installing the
Continued on next page
Group 20—Rockshaft
Group 25—Selective Control Valves and Couplers
Group 30—Independent Control Valve
SECTION 80—MISCELLANEOUS
Group 00—Removal and Installation of Components
Group 05—Main Frame
Group 10—Front Axle
Group 15—Front and Rear Wheels
Group 20—Trailer Mounting and Swinging Drawbar
Group 25—Triple Link Suspension (TLS) of Front-Wheel Drive Axle
Group 30—Pick-Up Hitch
SECTION 90—OPERATOR’S CAB
Group 00—Removal and Installation of Components
Group 05—Controls and Instruments
Group 10—Air-Conditioning System
Group 15—Heating System
Group 20—Seats
Group 25—Operator’s Cab
Group 30—Cab Suspension
SECTION 99—SPECIAL TOOLS
(DEALER-FABRICATED)
Group 05—Special Tools (Dealer-Fabricated)