John Deere 448 & 458 Standard Hay and Forage Round Balers Repair Service Manual TM1734 PDF - MJODTM1734.zip
The Complete Service Repair Technical Manual for John Deere Hay and Forage Standard Round Balers, Models 448 and 458, delivers all the shop-level detail needed to service, troubleshoot, fix, and overhaul these machines just like a trained professional technician.
Inside the John Deere 448 and 458 Standard Hay and Forage Round Balers workshop service and repair manual, you'll find:
* 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.
TM1734 - John Deere Hay and Forage Round Balers 448 Standard & 458 Standard Technical Manual (Repair).PDF
TM1734 - John Deere Hay and Forage Round Balers 448 Standard & 458 Standard Technical Manual (Repair).EPUB
Total Pages: 1,071 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
General
Safety
Specifications
General Information
Lubricants
Drive Train
General Information
Diagnosing Malfunctions
Drive Train Protection
PTO Driveline
Remove and Install Gear Case
Gear Case Repair - Iberica
Gear Case Repair - Comer
Roll Drives
Rolls
Miscellaneous
Hydraulics
General Information
Diagnosing Malfunctions
Operation and Tests
Tensioning Valve Repair
Cylinder Repair
Twine Mechanism-Hydraulic
General Information
Diagnosing Malfunctions
Twine Wrap System Adjustments
Twine Wrap System Repair
Twine Mechanism-Electric
General Information
Diagnosing Malfunctions
Twine Wrap System Adjustments
Twine Wrap System Repair
Electrical System
General Information
Common Electrical Tests and Checks
Diagnosing Malfunctions
Tests and Adjustments
Tests and Adjustments-BALETRAK Pro System
Electrical Diagrams
Electrical Diagrams-BALETRAK™ PRO System
BALETRAK Pro Monitor-Controller Operations
Repair-BALETRAK Pro System
Connector Repair
Pickup
General Information
Diagnosing Malfunctions
Regular Pickup Repair
MEGAWIDE PLUS Pickup Repair (448 Only)
Miscellaneous
Miscellaneous
Wheel Repair
Gate Repair
Tension Arm Repair
Tongue Repair
Belt Repair
Main Frame Repair
TABLE OF CONTENTS...1
Section 10: General...16
Group 05: Safety...16
Recognize Safety Information...19
Understand Signal Words...20
Follow Safety Instructions...21
Operate Baler Safely...22
Protect Bystanders...23
Handle Fluids Safely—Avoid Fires...24
Prepare for Emergencies...25
Fire Prevention...26
Fire Prevention—Welding...27
Avoid High-Pressure Fluids...28
Support Machine Properly...29
Wear Protective Clothing...30
Work in Clean Area...31
Service Machine Safely...32
Illuminate Work Area Safely...35
Replace Safety Signs...36
Use Proper Lifting Equipment...37
Remove Paint Before Welding or Heating...38
Avoid Heating Near Pressurized Fluid Lines...39
Service Tires Safely...40
Practice Safe Maintenance...41
Use Proper Tools...43
Construct Dealer-Made Tools Safely...44
Decommissioning — Proper Recycling and Disposal of Fluids and Components...45
Live With Safety...46
Group 10: Specifications...1045
Machine Specifications...1045
Metric Bolt and Screw Torque Values...53
Unified Inch Bolt and Screw Torque Values...55
Face Seal Fittings Assembly and Installation—All Pressure Applications...57
Metric Face Seal Fitting Torque Chart—Standard Pressure Applications...58
Metric Face Seal Fitting Torque Chart—High Pressure Applications...60
SAE Face Seal Fitting Torque Chart—Standard Pressure Applications...62
SAE Face Seal Fitting Torque Chart—High Pressure Applications...64
Service Recommendations For 37° Flare and 30° Cone Seat Connectors...66
Group 15: General Information...17
Machine Description...70
Group 20: Lubricants...17
Multipurpose Extreme Pressure (EP) Grease...73
Gear Case Oil...74
Alternative and Synthetic Lubricants...75
Mixing of Lubricants...76
Lubricant Storage...77
Perform Lubrication and Maintenance...78
Section 20: Drive Train...79
Group 05: General Information...79
Drive Train Operation...85
Operating RPM...87
Group 10: Diagnosing Malfunctions...632
PTO Driveline Difficulties...89
Slip Clutch Alert Feature (If Equipped)...90
Slip Clutch Difficulties (If Equipped)...91
Shear Bolt Difficulties...92
Gear Case Difficulties...93
Drive Chain Difficulties...94
Group 15: Drive Train Protection...79
Service Parts Kits...418
Specifications...1045
Replace Driveline Shear Bolt...98
Repair PTO Driveline Hub—Shear Bolt Type...99
Check Slip Clutch Torque (MEGAWIDE PLUS)...102
Replace Pickup Slip Clutch...106
Repair PTO Driveline Hub—Slip Clutch Type (448 If Equipped)...110
Repair PTO Driveline Slip Clutch (448 If Equipped)...113
Adjust PTO Driveline Slip Clutch (448 If Equipped)...115
Slipping Seized PTO Driveline Slip Clutch (448 If Equipped)...117
Group 20: PTO Driveline...79
Other Material...895
Service Parts Kits...418
PTO Driveline Exploded View (W/Plastic Shields)—Shear Bolt Type...123
PTO Driveline Exploded View—Shear Bolt Type...125
PTO Driveline Exploded View—Slip Clutch Type...127
Repair Shields (Shear Bolt Type)...129
Install Shield...131
Repair U-joint (Shear Bolt Type)...133
Assemble U-joint...138
Repair PTO Lock-Back Collar Disconnect...141
Repair PTO Lock-Back Collar Disconnect (Shear Bolt Type)...143
Repair PTO Constant Velocity Joint...146
Repair PTO Constant Velocity Joint (Shear Bolt Type)...153
Disassemble and Assemble Constant Velocity Joint (Shear Bolt Type)...159
Replace Centralizer Bearing...165
Replace Centralizer Bearing...165
Group 25: Remove and Install Gear Case...171
Other Material...895
Specifications...1045
Remove Gear Case...169
Install Gear Case...171
Group 26: Gear Case Repair — Iberica...80
Service Equipment and Tools...1061
Other Material...895
Specifications...1045
Disassemble Iberica Gear Case...182
Inspect Iberica Gear Case...188
Assemble Iberica Gear Case...190
Group 27: Gear Case Repair — Comer...80
Essential or Recommended Tools...1043
Service Equipment and Tools...1061
Other Material...895
Specifications...1045
Disassemble Comer Gear Case...203
Inspect Comer Gear Case...214
Assemble Comer Gear Case...216
Group 30: Roll Drives...80
Specifications...1045
Adjust Lower Drive Roll Chain...235
Adjust Upper Drive Roll Chain (S.N.—370001)...236
Adjust Upper Drive Roll Chain (S.N. 370001—)...237
Check Starter Roll Drive Chain...238
Adjust Starter Roll Drive Chain...239
Replace Starter Roll Drive Chain...246
Check Upper Drive Roll Sprocket Alignment...248
Group 35: Rolls...81
Essential or Recommended Tools...1043
Service Equipment and Tools...1061
Other Material...895
Specifications...1045
Diagram of Rolls and Belt Routing-448...257
Diagram of Rolls and Belt Routing-458 Standard...259
Remove and Install Starter Roll...261
Remove and Install Belt Staggering Roll...271
Remove and Install Take-Up Arm Roll...275
Remove and Install Top Idler Roll...277
Remove and Install Auxiliary Take-Up Roll (If Installed)...279
Remove and Install Upper Rear Gate Roll...280
Remove and Install Lower Rear Gate Roll...282
Remove and Install Lower Front Gate Roll...284
Remove and Install Rear Roll of Tension Arm...286
Remove and Install Center and Front Rolls of Tension Arm...288
Replace Tension Arm Roll Shaft...290
Replace Stationary Shaft Roll Bearings...293
Remove and Install Lower Drive Roll...296
Install Lower Drive Roll Bearings With Internal Threads Recessed 44 mm (1-3/4 in.) From Shaft End...307
Install Lower Drive Roll Bearings With Internal Threads—Starting at End of Shaft...322
Remove and Install Upper Drive Roll...338
Install Upper Drive Roll Bearings...347
Group 40: Miscellaneous...81
Service Equipment and Tools...1061
Specifications...1045
Adjust Lower Front Gate Roll Scraper...363
Adjust Starter Roll Scraper (If Equipped)...365
Adjust Idler Roll Scraper (If Equipped)...367
Check for Twisted Gate...369
Check And Adjust Belt Tracking...370
Section 30: Hydraulics...371
Group 05: General Information...371
Hydraulic System Description and Diagram...374
Tensioning Valve...376
Low Pressure Relief Valve (Non-Adjustable)...377
High Pressure Relief Valve (Non-Adjustable)...378
Pilot-Operated Check Valve...379
Install Inline Orifice Correctly (458 STD Only)...380
Group 10: Diagnosing Malfunctions...632
Diagnosing Hydraulic Malfunctions...383
Group 15: Operation and Tests...371
Essential or Recommended Tools...1043
Specifications...1045
Hydraulic System Operation...388
Low Pressure Relief Valve Test...392
High-Pressure Relief Valve Test—Field Test...394
High-Pressure Relief Valve Test—Shop Test...396
Test Tension/Gate Cylinder for Leakage...400
Test Hydraulic Twine Arm and Pickup Lift Cylinders for Leakage...402
Group 20: Tensioning Valve Repair...371
Remove and Install Tensioning Valve...407
Disassemble and Inspect Tensioning Valve...410
Assemble Tensioning Valve...412
Check Condition of Valve Seat and Poppet...414
Group 25: Cylinder Repair...371
Essential or Recommended Tools...1043
Service Parts Kits...418
Remove and Install Gate Cylinder...419
Disassemble and Assemble Tension Arm Cylinder...422
Disassemble and Assemble Gate Cylinder...433
Disassemble and Assemble Twine Arm Cylinder...447
Section 40: Twine Mechanism—Hydraulic...454
Group 05: General Information...454
Twine Wrap System Description...528
Operating Twine Wrap Control...459
Adjust Twine Spacing (Double Twine Wrap)...461
Group 10: Diagnosing Malfunctions...632
Diagnosing Twine Wrap Malfunctions...474
Group 15: Twine Wrap System Adjustments...454
Specifications...1045
Adjust Twine Arm-to-Starter Roll, Cutter Link Support, and Twine Arm Stop...561
Adjust Twine Arm Distance From Right Sidesheet...568
Adjust Twine Cutter-to-Twine Arm Clearance...494
Adjust Twine Cutter Knife...572
Adjust Twine Cutter Contact Tab...575
Adjust Clearance Between Cutter Link Support and Twine Arm...578
Adjust Twine Cutter Tension...580
Adjust Front Twine Arm (Double Twine Arms)...508
Adjust Twine Indicator Retaining Strap...588
Adjust Twine End Spacing with Mechanical Twine Guides (448 Only)...512
Group 20: Twine Wrap System Repair...454
Other Material...895
Specifications...1045
Remove Hydraulic Twine Arm Cylinder...516
Install Hydraulic Twine Arm Cylinder...518
Attach Hydraulic Cylinder End Block to Twine Arm...521
Adjust Initial Length of Hydraulic Twine Arm Cylinder...523
Install Twine Arm Stop...599
Section 41: Twine Mechanism—Electric...526
Group 05: General Information...526
Twine Wrap System Description...528
Operate Twine Wrap Controller...529
Group 10: Diagnosing Malfunctions...632
Twine Wrap Difficulties...648
BALETRAK Pro Monitor-Controller Difficulties...639
Group 15: Twine Wrap System Adjustments...526
Specifications...1045
Adjust Twine Arm-to-Starter Roll, Cutter Link Support, and Twine Arm Stop...561
Adjust Twine Arm Distance From Right Sidesheet...568
Adjust Twine Cutter-to-Twine Arm...570
Adjust Twine Cutter Knife...572
Adjust Twine Cutter Contact Tab...575
Adjust Clearance Between Cutter Link Support and Twine Arm...578
Adjust Twine Cutter Tension...580
Adjust Front Twine Arm...585
Adjust Twine Indicator Retaining Strap...588
Adjust Twine Guide(s) (If Equipped)...589
Adjust Twine Spacing (Double-Twine Wrap)...590
Group 20: Twine Wrap System Repair...526
Specifications...1045