John Deere 204L and 304L Compact Loader 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. This document is printable, without restrictions, contains searchable text, bookmarks, cross links for easy navigation.

OMT401205X19 - John Deere 204L and 304L Compact Loader Operator's Manual.pdf
omt401205x28 - John Deere Chargeur compact 204L et 304L.pdf
omt401205x63 - John Deere Cargadoras compactas 204L y 304L.pdf

Category: Operator's Manual
Language: English Spanish French
Published on 2020/04/08

TABLE OF CONTENTS
Section 1-1: Safety—Safety and Operator Convenience................25
  Safety and Operator Convenience Features................26
Section 1-2: Safety—General Precautions................27
  Recognize Safety Information................28
  Follow Safety Instructions................29
  Operate Only If Qualified................30
  Wear Protective Equipment................31
  Avoid Unauthorized Machine Modifications................32
  Inspect Machine................33
  Stay Clear of Moving Parts................34
  Avoid High-Pressure Fluids................35
  Avoid High-Pressure Oils................36
  Work In Ventilated Area................37
  Avoid Static Electricity Risk When Refueling................38
  High Debris Applications................40
  Prevent Fires................41
  In Case of Machine Fire................42
  Prevent Battery Explosions................43
  Handle Chemical Products Safely................44
  Handle Starting Fluid Safely................45
  Decommissioning — Proper Recycling and Disposal of Fluids and Components................46
  Exhaust Filter Ash Handling and Disposal................47
  Prepare for Emergencies................48
  Clean Debris from Machine................49
  Add Cab Guarding for Special Uses................50
Section 1-3: Safety—Operating Precautions................51
  Use Steps and Handholds Correctly................52
  Start Only From Operator's Seat................53
  Use and Maintain Seat Belt................54
  Prevent Unintended Machine Movement................55
  Avoid Work Site Hazards................56
  Keep Riders Off Machine................58
  Avoid Backover Accidents................59
  Avoid Machine Tip Over................60
  Avoid Power Lines................62
  Use Special Care When Operating Loader................63
  Operating on Slopes................64
  Operating or Traveling On Public Roads................65
  Inspect and Maintain ROPS................66
  Travel Safely................67
  Prevent Acid Burns................68
  Add and Operate Attachments Safely................70
Section 1-4: Safety—Maintenance Precautions................71
  Park and Prepare for Service Safely................72
  Service Machines Safely................73
  Service Cooling System Safely................74
  Remove Paint Before Welding or Heating................75
  Make Welding Repairs Safely................76
  Drive Metal Pins Safely................77
  Service Tires Safely................78
  Use Proper Lifting Equipment................79
  Clean Exhaust Filter Safely................80
Section 1-5: Safety—Safety Signs and Other Instructions................84
  Safety Signs and Other Instructions................84
Section 2-1: Operation—Operator Station................101
  Loader Control Lever Switches................102
  Multi-Function Lever (MFL)................103
  Pedals................105
  Monitor Display Functions................106
  Switch Panel Functions................111
  Audible Alarm................119
  Cab Climate Controls................122
  Cab Door................124
  Side Window (Alternative Exit)................126
  Interior Cab Lights................127
  Steering Column Adjustment—If Equipped................128
  Seat Adjustment................129
  Fire Extinguisher Mounting Location................131
Section 2-2: Operation—Operating the Machine................132
  Before Starting Work................133
  Inspect Machine Daily Before Starting................134
  Battery Disconnect Switch................136
  Check Instruments Before Starting................137
  Starting the Engine................401
  Cold Weather Warm-Up................143
  Driving the Machine................145
  Operating in Water and Mud................147
  Driving Up a Steep or Slippery Slope................148
  Required Machine Stop Warning................149
  Exhaust Filter................152
  Park Brake................411
  Selecting Travel Direction................158
  Selecting Travel Speed Range................159
  Slowing and Stopping the Machine................163
  Loader Control Lever................167
  Operating Boom Float................172
  Operating 3rd Function Hydraulics................173
  Operating Ride Control—If Equipped................177
  Operating Attachment Mounting System—Quik-Tatch™—If Equipped................179
  Operating Hydraulic Controlled Quick Disconnect Adapter—If Equipped................182
  Operating Rear Window Heater—If Equipped................188
  Operating Beacon Light—If Equipped................189
  Fork Attachment................191
  Parking the Machine................194
  Loading Machine on a Trailer................196
  Towing Procedure................198
  Lifting the Machine................200
Section 3-1: Maintenance—Machine................201
  Required Emission-Related Information................202
  Alternative and Synthetic Lubricants................203
  Lubricant Storage................204
  Mixing of Lubricants................205
  Hydraulic Oil................206
  Axle Differential, Gear Case, and Final Drive Oil................208
  Service (Drum) Brake Oil................209
  Multipurpose Extreme Pressure (EP) Grease................210
  Diesel Fuel................211
  Diesel Fuel Specifications................213
  Lubricity of Diesel Fuel................214
  Handling and Storing Diesel Fuel................215
  Biodiesel Fuel................216
  Testing Diesel Fuel................218
  Supplemental Diesel Fuel Additives................219
  Fuel Filters................220
  Minimizing the Effect of Cold Weather on Diesel Engines................221
  Diesel Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V................223
  Engine Oil and Filter Service Intervals — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V Engines................225
  Diesel Engine Oil Service Interval for Operation at High Altitude................227
  Oil Filters................228
  Diesel Engine Coolant (engine without wet sleeve cylinder liners)................229
  Water Quality for Mixing with Coolant Concentrate................231
  Operating in Warm Temperature Climates................232
  Testing Coolant Freeze Point................233
  Disposing of Coolant................235
Section 3-2: Maintenance—Periodic Maintenance................236
  Service Machine at Specified Intervals................237
  Check the Hour Meter Regularly................238
  Prepare Machine for Maintenance................239
  Drain Hose Storage................241
  Opening Hood and Removing Grille................242
  Fuel Tank................243
  Locking Machine Frame................244
  Locking Loader Boom................245
  Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit................249
  Service Intervals................250
  Required Parts................252
  Maintenance Legend................254
Section 3-3: Maintenance—As Required................256
  Check Windshield Washer Fluid Level—If Equipped................257
  Lubricate Hinges and Frame Articulation Stops................258
  Check Wheel Nut Torque................259
  Inspect Tires and Check Pressure................260
  Tire Pressures................262
  Service Exhaust Filter................263
Section 3-4: Maintenance—Every 10 Hours or Daily................264
  Check Engine Oil Level................265
  Clean Air Cleaner Dust Unloader Valve................266
  Check Engine Coolant Level................267
  Check Hydraulic Oil Level................269
  Lubricate Quik-Tatch™ Pins and Bushings................271
  Check and Drain Primary Fuel Filter and Water Separator................272
Section 3-5: Maintenance—Every 50 Hours................273
  Lubricate Loader Linkage and Cylinder Pivots................274
  Lubricate Steering Cylinder................276
  Lubricate Frame Hinge Pivots................277
Section 3-6: Maintenance—Every 100 Hours................279
  Check and Adjust Accessory Drive Belt................280
Section 3-7: Maintenance—Every 250 Hours................285
  Check Cab Recirculation Air Filter—If Equipped................286
  Take Engine Oil Sample................288
Section 3-8: Maintenance—Every 500 Hours................289
  Check Final Drive Oil Level................290
  Check Axle Differential and Gear Case Oil Levels................291
  Check and Clean Cooling Package................293
  Check Battery Electrolyte Level and Terminals................294
  Drain and Refill Engine Oil and Replace Filter................297
  Replace Primary Fuel Filter and Water Separator................299
  Replace Final Fuel Filter................301
  Check Air Intake Hoses................302
  Replace Hydraulic System Return Filter................303
  Check and Adjust Inching Linkage................306
  Check Service (Drum) Brake Oil Level................307
  Drain Water and Sediment From Hydraulic Tank................308
  Take Fluid Samples................310
Section 3-9: Maintenance—Every 1000 Hours................311
  Check Service (Drum) Brake Pads................312
  Drain and Refill Final Drive Oil................313
  Drain and Refill Axle Differential and Gear Case Oil................314
  Clean Engine Crankcase Vent................316
  Replace Air Cleaner Elements................317
  Replace Air Cleaner Dust Unloader Valve................319
  Replace Hydraulic Oil Cap Breather................320
  Replace Cab Recirculation Air Filter—If Equipped................321
  Check Coolant Condition................323
Section 3-10: Maintenance—Every 1500 Hours................324
  Check and Adjust Engine Valve Lash................325
Section 3-11: Maintenance—Every 2000 Hours................326
  Drain and Refill Hydraulic Oil................327
  Clean Hydraulic System Strainer................330
  Check Axle Mounting Cap Screw Torque................332
Section 3-12: Maintenance—Every 6000 Hours................333
  Drain Cooling System................334
  Cooling System Fill and Deaeration Procedure................336
Section 4-1: Miscellaneous—Machine................338
  Do Not Service or Adjust Injection Nozzles or High-Pressure Fuel Pump................339
  Do Not Service Control Valves, Cylinders, Pumps, or Motors................340
  Precautions for Alternator and Regulator................341
  Handling, Checking, and Servicing Batteries Carefully................342
  Using Battery Charger................345
  Using Booster Batteries—12-Volt System................347
  Removing Batteries................348
  Replacing Batteries................349
  Welding on Machine................350
  Keep Electronic Control Unit Connectors Clean................351
  Replacing Fuses................352
  Fluid Sampling Test Ports................361
  Keep ROPS Installed Properly................362
  Replacing Seat Belt................363
  Check Radiator Hoses................364
  Drain Fuel Tank Sediment................365
  Return-to-Dig Adjustment................366
  Replacing Drive and Marker Light Bulbs................367
  Bleeding Fuel System................369
  Servicing Air Conditioning System—If Equipped................370
  Hardware Torque Specifications................371
  Unified Inch Bolt and Screw Torque Values................372
  Metric Bolt and Screw Torque Values................374
Section 4-2: Miscellaneous—Operational Checkout................377
  Operational Checkout................377
Section 4-3: Miscellaneous—Troubleshooting................399
  Troubleshooting Procedure................400
  Engine................401
  Gear Case................406
  Axle Differential................408
  Service Brake................409
  Driveline................410
  Park Brake................411
  Hydraulic System................412
  Steering................414
  Air Conditioning System................415
  Heating System................417
Section 4-4: Miscellaneous—Machine Storage................418
  Prepare Machine for Storage................419
  Monthly Storage Procedure................421
Section 4-5: Miscellaneous—Machine Numbers................423
  Record Product Identification Number (PIN)................424
  Record Engine Serial Number................425
  Record Hydraulic Pump Serial Number................426
  Record Hydrostatic Pump Serial Number................427
  Record Axle Serial Numbers................428
  Keep Proof of Ownership................429
  Keep Machines Secure................430
Section 4-6: Miscellaneous—Specifications................431
  204L Engine Specifications................432
  304L Engine Specifications................433
  204L Machine Specifications................434
  304L Machine Specifications................438
  204L and 304L Drain and Refill Capacities................442
  Machine Design Life................443

John Deere 204L and 304L Compact Loader Operator's Manual (OMT401205X19)