Complete repair manual for John Deere 4WD Loader 304H, with all the technical information to maintain, repair, and service like professional mechanics.

John Deere 4WD Loader 304H workshop service repair 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.
* 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.

TM1864 English - John Deere 304H 4WD Loader  Technical Manual - Repair.pdf
sp458vol2 English - Test and Service Specifications Manual

MAIN SECTIONS
Foreword
   Help!! Help!! Help!! Help!!
   General Information
      Safety Information
      General Specifications
      Torque Values
      Fuels and Lubricants
   Wheels
      Wheels and Fasteners
   Axles and Suspension System
      Removal and Installation
      Axle Shafts and U-Joints
      Axle Shaft, Bearings, and Rear Axle Reduction Gears
   Hydrostatic Transmission
      Hydrostatic Components Removal and Installation
      Hydrostatic Components Repair
   Engine
      Removal and Installation
      Fuel Injection System
   Engine Auxiliary Systems
      Cold Weather Starting Aids
      Cooling System
      Speed Controls
      Intake System
      External Exhaust System
      External Fuel Supply Systems
   Dampener Drive
      Removal and Installation
   Steering System
      Power Steering
      Hydraulic System
   Service Brakes
      Active Elements
      Hydraulic System
   Park Brake
      Active Elements
      Hydraulic System
   Electrical Systems
      Batteries, Support and Cables
      Alternator, Regulator and Charging System Wiring
      Lighting System
      Wiring Harness and Switches
      System Controls
      Motors and Actuators
      Sensors
   Frame or Supporting Structure
      Frame Installation
      Counterweights
   Operator`s Station
      Removal and Installation
      Operator Enclosure
      Seat and Seat Belts
      Heating and Air Conditioning
   Sheet Metal and Styling
      Hood or Engine Enclosure
      Miscellaneous Shields
   Safety and Convenience
      Mirrors
      Horn and Warning Devices
   Main Hydraulic System
      Hydraulic System
   Loader
      Bucket
      Attachment Coupler
      Frames
      Hydraulic System
   Dealer Fabricated Tools

Total Pages: 722 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English

TABLE OF CONTENTS
Section 00: General Information....15
  Group 0001: Safety Information....15
    Handle Fluids Safely-Avoid Fires....18
    Prevent Battery Explosions....19
    Prepare for Emergencies....20
    Prevent Acid Burns....21
    Handle Chemical Products Safely....23
    Avoid High-Pressure Fluids....24
    Park Machine Safely....25
    Support Machine Properly....26
    Wear Protective Clothing....27
    Work in Clean Area....28
    Service Machines Safely....29
    Work In Ventilated Area....30
    Illuminate Work Area Safely....31
    Replace Safety Signs....32
    Use Proper Lifting Equipment....33
    Remove Paint Before Welding or Heating....34
    Avoid Heating Near Pressurized Fluid Lines....35
    Keep ROPS Installed Properly....36
    Service Tires Safely....37
    Avoid Harmful Asbestos Dust....38
    Practice Safe Maintenance....39
    Use Proper Tools....40
    Dispose of Waste Properly....41
    Live With Safety....42
  Group 0002: General Specifications....716
    304H Loader Specifications....716
    Drain and Refill Capacities....47
  Group 0003: Torque Values....15
    Hardware Torque Specifications....716
    ROPS Torque Specifications....716
    Metric Bolt and Cap Screw Torque Values....51
    Additional Metric Cap Screw Torque Values....52
    Service Recommendations For Metric 24° O-Ring Seal DIN 20078....54
    Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings....56
    Service Recommendations For O-Ring Boss Fittings With Shoulder....59
    Service Recommendations for Metric Series Four Bolt Flange Fitting....62
    Service Recommendations For Inch Series Four Bolt Flange Fittings....64
  Group 0004: Fuels and Lubricants....16
    Diesel Fuel....67
    Lubricity of Diesel Fuel....68
    Low Sulfur Diesel Fuel Conditioner....69
    Diesel Fuel Storage....70
    Fuel Tank....71
    Do Not Use Galvanized Containers....72
    Diesel Engine Coolant....73
    Diesel Engine Oil....74
    Hydraulic System, Park Brake, and Differential Oil....75
    Service Brake Oil....76
    Grease....77
    Alternative and Synthetic Lubricants....78
    Lubricant Storage....79
    Mixing of Lubricants....80
Section 01: Wheels....81
  Group 0110: Wheels and Fasteners....81
    Service Equipment and Tools....706
    Specifications....716
    Remove and Install Wheel....85
    Remove and Install Tire....86
Section 02: Axles and Suspension System....88
  Group 0200: Removal and Installation....88
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Front Axle....93
    Remove and Install Rear Axle....96
  Group 0225: Axle Shafts and U-Joints....88
    Specifications....716
    Remove and Install Drive Shaft Assembly....109
    Remove and Install Drive Shaft Carrier Bearing....111
  Group 0250: Axle Shaft, Bearings, and Rear Axle Reduction Gears....88
    Essential Tools....714
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Disassemble and Assemble Front Axle Planetary Drive....119
    Remove and Install Front Axle Differential....130
    Disassemble and Assemble Front and Rear Axle Differential....145
    Disassemble Rear Axle Wheel Hub with Planetary Drive and Knuckle Housing....152
    Disassemble and Assemble Rear Axle Constant Velocity Joint and Axle Shaft....158
    Rear Axle Wheel Hub with Planetary Drive and Knuckle Housing Exploded View....160
    Assemble Rear Axle Wheel Hub with Planetary Drive and Knuckle Housing....162
    Remove and Install Rear Axle Reduction Gear Housing....171
    Remove and Install Rear Axle Differential....176
Section 03: Hydrostatic Transmission....192
  Group 0300: Hydrostatic Components Removal and Installation....192
    Essential Tools....714
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Hydrostatic Pump Valves....198
    Remove and Install Directional Control Valve....203
    Remove and Install Charge Pump....205
    Remove Hydrostatic Pump....213
    Install Hydrostatic Pump....217
    Remove and Install Hydrostatic Motor....221
    Remove and Install Inching Valve....227
    Hydrostatic Start-Up Procedure....229
    Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy....680
  Group 0360: Hydrostatic Components Repair....192
    Essential Tools....714
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Disassemble and Assemble Directional Control Valve....238
    Disassemble Hydrostatic Pump....240
    Assemble Hydrostatic Pump....257
    Hydrostatic Motor Components....274
    Replace Hydrostatic Motor Control Valve Assembly O-Rings and Seals....275
    Replace Hydrostatic Motor Flushing Valve Assembly O-Rings and Servo Piston Seals....277
    Replace Hydrostatic Motor Shaft Seal....280
    Disassemble Hydrostatic Motor....282
    Inspect and Recondition Hydrostatic Motor Rotating Group....284
    Assemble Hydrostatic Motor....288
Section 04: Engine....290
  Group 0400: Removal and Installation....290
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    POWERTECHPOWERTECH is a registered trademark of Deere & Company Yanmar (4TNE98) Engine-Use CTM119....290
    Remove Engine....296
    Install Engine....305
  Group 0413: Fuel Injection System....290
    Specifications....716
    Remove and Install Fuel injection Pump....314
Section 05: Engine Auxiliary Systems....319
  Group 0505: Cold Weather Starting Aids....319
    Remove and Install Engine Intake Air Pre-Heater....321
  Group 0510: Cooling System....319
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Alternator and A/C Compressor Belts....326
    Remove and Install Hydraulic Cooling Fan Pump....329
    Disassemble and Assemble Hydraulic Cooling Fan Pump....331
    Remove and Install Cooling Fan and Cooling Fan Motor....334
    Disassemble and Assemble Cooling Fan Motor....337
    Remove and Install Radiator/Oil Cooler....341
  Group 0515: Speed Controls....319
    POWERTECH® Yanmar (4TNE98) Engine-Use CTM119....348
    JT05801 Clamp-On Electronic Tachometer Installation....349
    Remove and Install Speed Control Linkage....350
    Speed Control Linkage Adjustment....354
    Slow and Fast Idle Adjustment....355
  Group 0520: Intake System....319
    Service Equipment and Tools....706
    Specifications....716
    Remove and Install Air Cleaner Assembly....360
    Air Intake System Leakage Test....362
  Group 0530: External Exhaust System....319
    Remove and Install Exhaust System....364
  Group 0560: External Fuel Supply Systems....319
    Specifications....716
    Remove and Install Fuel Tank....367
    Remove and Install Primary Fuel Filter (Water Separator)....369
    Bleed Fuel System....371
Section 07: Dampener Drive....372
  Group 0700: Removal and Installation....372
    Other Material....715
    Specifications....716
    Remove and Install Dampener Drive....376
Section 09: Steering System....378
  Group 0920: Power Steering....378
    Specifications....716
    Remove and Install Steering Link Assembly....381
    Replace Tie Rod Ends....383
    Adjust Steering Alignment....385
  Group 0960: Hydraulic System....378
    Essential Tools....714
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Steering Valve....395
    Disassemble Steering Valve....404
    Cross Section of Steering Valve....409
    Assemble Steering Valve....411
    Remove and Install Steering Column....417
    Remove and Install Steering Cylinder....418
    Disassemble and Assemble Steering Cylinder....422
    Remove and Install Steering Cylinder Bushings....426
Section 10: Service Brakes....427
  Group 1011: Active Elements....427
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Service Brake Pads....432
    Remove and Install Service Brake Calipers and Disks....435
    Disassemble and Assemble Service Brake Caliper....441
  Group 1060: Hydraulic System....427
    Remove and Install Brake Valve....448
    Disassemble and Assemble Brake Valve....452
    Remove and Install Service Brake Reservoir....455
    Bleed Service Brakes....457
Section 11: Park Brake....460
  Group 1111: Active Elements....460
    Other Material....715
    Specifications....716
    Remove and Install Park Brake Caliper and Pads....464
    Disassemble and Assemble Park Brake Caliper....467
    Remove and Install Park Brake Actuator....469
  Group 1160: Hydraulic System....460
    Remove and Install Park Brake Solenoid Valve....473
Section 16: Electrical Systems....474
  Group 1671: Batteries, Support and Cables....474
    Service Equipment and Tools....706
    Specifications....716
    Service Batteries Carefully....479
    Charge Battery....481
    Remove and Install Batteries....482
    Remove and Install Battery Disconnect Switch....484
  Group 1672: Alternator, Regulator and Charging System Wiring....474
    Alternators And Starting Motors-Use CTM119....518
    Remove and Install Alternator....487
  Group 1673: Lighting System....474
    Remove and Install Brake, Turn, and Tail Lights....491
  Group 1674: Wiring Harness and Switches....474
    Essential Tools....714
    Specifications....716
    Replace DEUTSCHDEUTSCH is a trademark of the Deutsch Co. Connectors....474
    Replace DEUTSCHDEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors....474
    Install DEUTSCHDEUTSCH is a trademark of Deutsch Co. Contact....474
    Replace CINCHCINCH is a trademark of the Cinch Co. Connectors....474
    Install CINCHCINCH is a trademark of the Cinch Co. Contact....474
    Remove Connector Body From Blade Terminals....507
  Group 1675: System Controls....474
    Other Material....715
    Remove and Install Display Monitor....510
    Remove and Install FNR and Combination Switch....513
  Group 1677: Motors and Actuators....474
    Specifications....716
    Alternators And Starting Motors-Use CTM119....518
    Remove and Install Starting Motor....519
    Remove and Install Front Windshield Wiper Motor....521
  Group 1678: Sensors....475
    Other Material....715
    Specifications....716
    Remove and Install Speed Sensor....527
Section 17: Frame or Supporting Structure....528
  Group 1740: Frame Installation....528
    Service Equipment and Tools....706
    Specifications....716
    Separate Loader and Rear Frames....532
    Remove and Install Rotational Torque Spring....551
    Remove and Install Upper Pivot Bushing Assembly....552
    Remove and Install Lower Pivot Bushing Assembly....554
  Group 1749: Counterweights....528
    Specifications....716
    Remove and Install Counterweight....557
Section 18: Operator's Station....561
  Group 1800: Removal and Installation....561
    Service Equipment and Tools....706
    Specifications....716
    Remove and Install Cab-with Platform....566
    Remove and Install Cab-without Platform....578
  Group 1810: Operator Enclosure....561
    Service Equipment and Tools....706
    Other Material....715
    Remove and Install Front, Rear, and Side Windshields....586
    Remove and Install Lower Door Windowpanes....589
    Remove and Install Upper Door Windowpanes....590
    Adjust Front Windshield Wiper....592
  Group 1821: Seat and Seat Belts....561
    Disassemble and Assemble Seat and Seat Belts....595
  Group 1830: Heating and Air Conditioning....561
    Essential Tools....714
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    R134a Refrigerant Cautions....602
    Proper Refrigerant Handling....603
    R134a Compressor Oil Charge Check....604
    R134a Compressor Oil Removal....605
    R134a Component Oil Charge....606
    Leak Testing....607
    Refrigerant Hoses and Tubing Inspection....608
    R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure....609
    Recover R134a System....611
    Evacuate R134a System....613
    Charge R134a System....615
    Air Conditioning System Cleaning Procedures....617
    Purge Air Conditioning System....618
    Flush Air Conditioning System....619
    Air Conditioning System Exploded View....622
    Remove and Install Heater Control Valve....624
    Remove and Install Heater Core....625
    Remove and Install Heater Control Cable....626
    Remove and Install Blower Assembly....629
    Remove and Install Air Conditioning Compressor....630
    Remove and Install Receiver-Dryer and Condenser....632
    Remove and Install Evaporator Coil....634
    Remove and Install Expansion Valve....637
    Expansion Valve Bench Test and Adjustment....640
    Remove and Install Freeze Control Switch....642
    Remove and Install Low/High Pressure Switch....644
Section 19: Sheet Metal and Styling....645
  Group 1910: Hood or Engine Enclosure....645
    Specifications....716
    Remove and Install Engine Hood....648
  Group 1913: Miscellaneous Shields....645
    Specifications....716
    Remove and Install Rear Fenders....652
    Adjust Front Fenders....654
Section 20: Safety and Convenience....655
  Group 2002: Mirrors....655
    Remove and Install Mirrors and Sun Visor....657
  Group 2004: Horn and Warning Devices....655
    Remove and Install Horn....659
    Remove and Install Backup Alarm....660
Section 21: Main Hydraulic System....662
  Group 2160: Hydraulic System....662
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Main Hydraulic Pump/Priority Valve....667
    Disassemble and Assemble Main Hydraulic Pump/Priority Valve....669
    Remove and Install Return/Suction Filter Assembly....673
    Disassemble and Assemble Return/Suction Filter Assembly....674
    Remove and Install Hydraulic Reservoir....675
    Remove and Install Hydraulic Oil Cooler....679
    Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy....680
Section 31: Loader....682
  Group 3102: Bucket....682
    Remove and Install Bucket Teeth....685
    Remove and Install Welded-On Bucket Cutting Edges....686
    Remove and Install Bolt-On Cutting Edges....688
    Repair Cracked Cutting Edge....689
  Group 3104: Attachment Coupler....682
    Other Material....715
    Specifications....716
    Remove and Install Quick Attach Lock-Out Valve....693
    Disassemble and Assemble Quick Attach Lock-Out Valve....694
    Disassemble and Assemble Quick Attach Hitch....695
  Group 3140: Frames....682
    Service Equipment and Tools....706
    Other Material....715
    Specifications....716
    Remove and Install Loader Bucket Tilt Linkage....709
    Remove and Install Bucket Linkage Bushings....711
    Remove and Install Loader Boom Bushings....712
  Group 3160: Hydraulic System....682
    Essential Tools....714
    Other Material....715
    Specifications....716
    Remove and Install Loader Control Valve....717
    Disassemble and Assemble Loader Control Valve....720
    Disassemble and Assemble Auxiliary, Fourth Function, or Bucket Valve Section....721
    Disassemble and Assemble Boom Valve Section....723
    Disassemble and Assemble System or Circuit Relief Valve....725
    Remove and Install Boom Cylinder....727
    Remove and Install Bucket Cylinder....729
    Disassemble and Assemble Boom and Bucket Cylinders....731
    Remove and Install Boom and Bucket Cylinder Bushings....736
    Remove and Install Pilot Control Valve....737
    Disassemble and Assemble Pilot Control Valve....740
    Remove and Install Quick Attach/Auxiliary Pilot Control Valve....745
    Disassemble and Assemble Quick Attach/Auxiliary Pilot Control Valve....747
    Remove and Install Pilot Lockout and Park Brake Solenoid Valves....749
    Remove and Install Pilot Accumulator....752
Section 99: Dealer Fabricated Tools....754
  Group 9900: Dealer Fabricated Tools....754
    DF1002 Rolling Drag Torque Bar....757
    DFT1213 Service Brake Caliper Removal and Installation Tool....759
    DFT1214 Hydrostatic Pump Servo Piston Snap Ring Removal and Installation Tool....760

John Deere 4WD Loader 304H Repair Service Manual (TM1864)