John Deere 755K Crawler Loader Workshop Repair Service Manual TM12052 PDF - MJODTM12052.zip

A full-service repair manual for the John Deere 755K Crawler Loader, containing every piece of shop data needed to service, fix, and overhaul the machine just like an expert technician would.

The John Deere 755K Crawler Loader workshop repair manual covers:

* 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.

* 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.

TM12052 - John Deere 755K Crawler Loader Technical Manual - Repair.PDF

TM12052 - John Deere 755K Crawler Loader Technical Manual - Repair.PDF

tm12053 - John Deere 755K Cargadora sobre orugas.pdf

tm12054 - John Deere Chargeuse chenille 755K.pdf

PRODUCT DETAILS:

Total Pages: 814 pages

File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)

Category: Repair

Language: Spanish English French

John Deere - Crawler - 1T0755KX_ _E192242—339206

MAIN SECTIONS

Foreword

Technical Information Feedback Form

General Information

Safety

Torque Values

Tracks

Track System

Axles and Suspension Systems

Drive Axle Housing and Support

Axle Shaft, Bearings and Reduction Gears

Transmission

Remove and Install

Control Linkage

Input Drive Shafts and U-Joints

Hydraulic System

Engine

Removal and Installation

Engine Auxiliary Systems

Cold Weather Starting Aid

Cooling System

Intake System

External Exhaust Systems

External Fuel Supply Systems

Park Brake

Park Brake

Control Linkage

Hydraulic System

Equipment Attaching

Drawbar

Frame or Supporting Structure

Frame Installation

Frame Bottom Guards

Chassis Weights

Operator’s Station

Removal and Installation

Operator Enclosure

Seat and Seat Belt

Heating and Air Conditioning

Sheet Metal

Hood and Engine Enclosures

Grille and Grille Housing

Safety and Convenience

Horn and Warning Devices

Vehicle Main Hydraulic System

Hydraulic System

Loader

Bucket

Frames

Loader Hydraulic System

Ground Conditioning Tool

Remove and Install

Blades, Teeth, and Shanks

Hydraulic System

Dealer Fabricated Tools

TABLE OF CONTENTS...1

Section 00: General Information...13

Group 0001: Safety...13

Recognize Safety Information...16

Follow Safety Instructions...17

Operate Only If Qualified...18

Wear Protective Equipment...19

Avoid Unauthorized Machine Modifications...20

Inspect Machine...21

Stay Clear of Moving Parts...22

Avoid High-Pressure Fluids...23

Avoid High-Pressure Oils...24

Work In Ventilated Area...25

Prevent Fires...26

Prevent Battery Explosions...27

Handle Chemical Products Safely...28

Decommissioning — Proper Recycling and Disposal of Fluids and Components...29

Exhaust Filter Ash Handling and Disposal...30

Prepare for Emergencies...31

Clean Debris from Machine...32

Add Cab Guarding for Special Uses...33

Use Steps and Handholds Correctly...34

Start Only From Operator's Seat...35

Use and Maintain Seat Belt...36

Prevent Unintended Machine Movement...37

Avoid Work Site Hazards...38

Keep Riders Off Machine...40

Avoid Backover Accidents...41

Avoid Machine Tip Over and Machine Damage...42

Operating or Traveling On Public Roads...44

Inspect and Maintain ROPS...45

Add and Operate Attachments Safely...46

Park and Prepare for Service Safely...47

Service Cooling System Safely...48

Remove Paint Before Welding or Heating...49

Make Welding Repairs Safely...50

Drive Metal Pins Safely...51

Clean Exhaust Filter Safely...52

Group 03: Torque Values...14

Metric Bolt and Cap Screw Torque Values...57

Additional Metric Cap Screw Torque Values...59

Unified Inch Bolt and Cap Screw Torque Values...61

Service Recommendations for 37° Flare and 30° Cone Seat Connectors...63

Service Recommendations for O-Ring Boss Fittings...65

O-Ring Boss Fittings In Aluminum Housing Service Recommendations—Excavators...67

Service Recommendations for Flared Connections—Straight or Tapered Threads...70

Service Recommendations For Flat Face O-Ring Seal Fittings...72

O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations...74

O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations...76

O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations...79

Service Recommendations for Metric Series Four Bolt Flange Fitting...82

Service Recommendations For Inch Series Four Bolt Flange Fittings...84

Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations...86

Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings...88

Service Recommendations For O-Ring Boss Fittings With Shoulder...91

Metric 24° O-Ring Seal DIN 20078 Service Recommendations...94

Section 01: Tracks...98

Group 0130: Track System...98

Welding On Machine...101

Track Guides and Rock Guards Remove and Install...102

Carrier Roller Wear Inspection...105

Carrier Roller Remove and Install...106

Carrier Roller Disassemble and Assemble...108

Metal Face Seal Inspection...114

Carrier Roller Leakage Test...116

Track Roller Wear Inspection...118

Track Roller Remove and Install...120

Track Roller Disassemble and Assemble...122

Track Roller Leakage Test...133

Track Grouser Wear Inspection...136

Track Shoe Remove and Install...137

Pivot Shaft Remove and Install...139

Pivot Shaft Disassemble and Assemble...141

Crossbar Remove and Install...143

Crossbar Bushings and Seals Remove and Install...149

Track Link Height Inspection...152

Bushing Outside Diameter for Lubricated Track Chain Inspection...153

Track Pitch for Lubricated Track Chain Inspection...155

Track Chain Remove and Install...156

Lubricated Track Chain to Turn Bushings and Lubricate Chain Disassemble...161

Lubricated Track Chain to Turn Bushings and Lubricate Chain Assemble...165

Lubricated Track Chain to Turn Pins and Bushings and Not Lubricate Disassemble and Assemble...174

Track Sag Adjustment...182

Track Adjuster Cylinder and Recoil Spring Remove and Install...185

Track Adjuster Recoil Spring Disassemble and Assemble...187

Track Adjuster Cylinder Disassemble and Assemble...196

Track Frame Remove and Install...200

Front Idler Wear Inspection...206

Front Idler Remove and Install...207

Front Idler Disassemble and Assemble...215

Front Idler Adjustment...225

Front Idler Leakage Test...231

Sprocket Segment Remove and Install...233

Section 02: Axles and Suspension Systems...235

Group 0201: Drive Axle Housing and Support...235

Final Drive Remove and Install...242

Group 0250: Axle Shaft, Bearings and Reduction Gears...235

Planet Carrier Remove and Install...250

Planet Carrier Disassemble and Assemble...252

Ring Gear and Hub Remove and Install...254

Ring Gear and Hub Disassemble and Assemble...256

Final Drive Metal Face Seal Remove and Install...258

Inner Final Drive Housing Remove and Install...266

Inner Final Drive Housing Cover Disassemble and Assemble...269

Final Drive Seal Leakage Check...276

Section 03: Transmission...280

Group 0300: Remove and Install...280

Hydrostatic Pump and Motor Initial Start-Up Procedure...283

Hydrostatic Pump Remove and Install...285

Hydrostatic Motor Remove and Install...292

Group 0315: Control Linkage...280

Transmission Control Lever (TCL) Remove and Install...299

Transmission Control Lever (TCL) Adjustment...305

Decelerator/Brake Pedal Remove and Install...307

Decelerator/Brake Pedal Disassemble and Assemble...308

Steering Pedal Remove and Install—If Equipped...315

Steering Pedal Disassemble and Assemble—If Equipped...317

Group 0325: Input Drive Shafts and U-Joints...280

Dampener Drive Remove and Install...322

Group 0360: Hydraulic System...280

Hydrostatic Pump Disassemble...339

Charge Pump Disassemble and Assemble...353

Pump Displacement Control Valve (PDCV) Disassemble and Assemble...359

Multi-Function Valve Remove and Install...361

Multi-Function Valve Disassemble and Assemble...362

Hydrostatic Pump Assemble...366

Hydrostatic Motor Disassemble...386

Hydrostatic Motor Assemble...393

Hydraulic Integrated Circuit (HIC) Valve Remove and Install...412

Hydraulic Integrated Circuit (HIC) Valve Disassemble and Assemble...417

Hydrostatic Reservoir Remove and Install...421

Hydrostatic Cold Start Valve Remove and Install...427

Section 04: Engine...429

Group 0400: Removal and Installation...429

John Deere Engine...431

Engine Remove and Install...432

Engine Mounts Remove and Install...442

Belt Routing...444

Section 05: Engine Auxiliary Systems...445

Group 0505: Cold Weather Starting Aid...445

Engine Coolant Heater Remove and Install...448

Group 0510: Cooling System...445

Cooling Package Plenum Remove and Install...453

Cooling Package Remove and Install...456

Charge Air Cooler Remove and Install...464

Radiator Remove and Install...466

Hydraulic Oil Cooler Remove and Install...470

Hydrostatic Oil Cooler Remove and Install...473

Fuel Cooler Remove and Install...475

Group 0520: Intake System...445

Air Cleaner Remove and Install...480

Precleaner Remove and Install—If Equipped...483

Group 0530: External Exhaust Systems...445

Exhaust Tube Remove and Install...486

JDG11335 Bellows Alignment Fixture...488

Exhaust Bellows Alignment Procedure...495

Diesel Particulate Filter (DPF) Remove and Install...499

Exhaust Filter Remove and Install...501

Service Filter Cleaning...503

Group 0560: External Fuel Supply Systems...445

Fuel Tank Remove and Install...509

Fuel Tank Cover Remove and Install...514

Primary Fuel Filter and Water Separator Remove and Install...516

Final Fuel Filter Remove and Install...518

Auxiliary Fuel Filter and Water Separator Remove and Install—If Equipped...520

Fast Fill Fuel System Disassemble and Assemble...522

Section 11: Park Brake...523

Group 1100: Park Brake...523

Park Brake Remove and Install...526

Group 1115: Control Linkage...523

Park Lock Lever Remove and Install...530

Park Lock Lever Disassemble and Assemble...532

Group 1160: Hydraulic System...523

Park Brake Disassemble and Assemble...544

Section 15: Equipment Attaching...552

Group 1511: Drawbar...552

Retrieval Clevis Remove and Install...554

Retrieval Hitch Remove and Install—If Equipped...555

Section 17: Frame or Supporting Structure...556

Group 1740: Frame Installation...556

Welding Repair of Major Structure...559

Group 1746: Frame Bottom Guards...556

Bottom Guards Remove and Install...563

Group 1749: Chassis Weights...556

Rear Counterweight Remove and Install...567

Section 18: Operator’s Station...569

Group 1800: Removal and Installation...569

Cab/ROPS Remove and Install...578

Group 1810: Operator Enclosure...569

Windowpanes Remove and Install...588

Wiper Motor Remove and Install...591

Washer Pump Remove and Install...595

Hand Pump Bleed Procedure...596

Group 1821: Seat and Seat Belt...569

Seat Remove and Install...599

Seat Belt Remove and Install...601

Group 1830: Heating and Air Conditioning...569

Proper Refrigerant Handling...604

R134a Refrigerant Cautions...605

R134a Compressor Oil Charge Check...606

R134a Compressor Oil Removal...608

R134a Component Oil Charge...609

Leakage Testing...611

Refrigerant Hoses and Tubing Inspection...612

R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure...613

Recover R134a System...615

Evacuate R134a System...617

Charge R134a System...619

Air Conditioner System Cleaning Procedures...621

Purge R134a System...622

Flush R134a System...623

Evaporator or Heater Core Remove and Install...626

Expansion Valve Remove and Install...629

Air Conditioner Freeze Switch Remove and Install...631

Cab Heater Blower Motor and Blower Motor Speed Resistor Remove and Install...632

Cab Upper Heater Components...634

Cab or ROPS Under Seat Heater Disassemble and Assemble...636

Receiver-Dryer Remove and Install...639

Condenser Remove and Install...640

Compressor Remove and Install...642

Compressor Clutch Disassemble and Assemble...644

Clutch Hub Clearance Check...646

Section 19: Sheet Metal...647

Group 1910: Hood and Engine Enclosures...647

Engine Side Door Assembly Remove and Install...650

Hood Remove and Install...652