John Deere 844K Loader Operator's Manual (OMT228004)

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Price: US$ 29.00

Complete Operator's Manual for John Deere 844K Loader, with all the technical information to maintain & operate.

PRODUCT DETAILS:
Total Pages: 543 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

omt228004 - 844K Loader Operator's Manual.pdf
omt228004 - 844K Loader Operator's Manual.epub

MAIN SECTIONS
TABLE OF CONTENTS................1
Section 1-1: Safety—Safety and Operator Conveniences................31
  Safety and Operator Convenience Features................32
Section 1-2: Safety—General Precautions................33
  Recognize Safety Information................34
  Follow Safety Instructions................35
  Operate Only If Qualified................36
  Wear Protective Equipment................37
  Avoid Unauthorized Machine Modifications................38
  Add Cab Guarding for Special Uses................39
  Inspect Machine................40
  Stay Clear of Moving Parts................41
  Avoid High-Pressure Oils................42
  Avoid High-Pressure Fluids................43
  Work In Ventilated Area................44
  Prevent Fires................45
  Clean Debris from Machine................46
  Prevent Battery Explosions................47
  Handle Chemical Products Safely................48
  Decommissioning — Proper Recycling and Disposal of Fluids and Components................49
  Prepare for Emergencies................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
  Use Special Care When Operating Loader................58
  Keep Riders Off Machine................59
  Avoid Backover Accidents................60
  Avoid Machine Tip Over................61
  Operating on Slopes................63
  Operating or Traveling On Public Roads................64
  Inspect and Maintain ROPS................65
  Add and Operate Attachments Safely................66
Section 1-4: Safety—Maintenance Precautions................67
  Park and Prepare for Service Safely................68
  Service Cooling System Safely................69
  Service Tires Safely................70
  Remove Paint Before Welding or Heating................71
  Make Welding Repairs Safely................72
  Drive Metal Pins Safely................73
Section 1-5: Safety—Safety Signs................75
  Safety Signs................75
Section 2-1: Operation—Operator’s Station................77
  Levers—Two Function Hydraulic Control................79
  Levers—Three Function Hydraulic Control................81
  Levers—Four Function Hydraulic Control................84
  Levers—Joystick Steering Control................85
  Pedals................86
  Advanced Display Unit (ADU)................87
  Display Unit Functions................89
  Sealed Switch Module (SSM)................93
  Switch Module Functions................95
  Display Unit—Normal Display................99
  Display Unit—Main Menu................100
  Display Unit—Main Menu—Codes................102
  Display Unit—Main Menu—Codes—Active Codes................104
  Display Unit—Main Menu—Codes—Stored Codes................105
  Display Unit—Main Menu—Machine Settings................106
  Display Unit—Main Menu—Machine Settings—Reverse Fan Cycle................109
  Display Unit—Main Menu—Machine Settings—Camera Mode................110
  Display Unit—Main Menu—Machine Settings—Job Timer................111
  Display Unit—Main Menu—Machine Settings—Stopwatch................112
  Display Unit—Main Menu—Machine Settings—Ride Control................113
  Display Unit—Main Menu—Machine Settings—Quick Shift................114
  Display Unit—Main Menu—Machine Settings—Counters................115
  Display Unit—Main Menu—Diagnostics................116
  Display Unit—Main Menu—Diagnostics—Machine ID................118
  Display Unit—Main Menu—Diagnostics—Battery Monitor................119
  Display Unit—Main Menu—Diagnostics—Engine Sensors................120
  Display Unit—Main Menu—Diagnostics—Transmission Sensors................121
  Display Unit—Main Menu—Diagnostics—Hydraulic Sensors................122
  Display Unit—Main Menu—Diagnostics—Machine Sensors................123
  Display Unit—Main Menu—Diagnostics—FNR Selector................124
  Display Unit—Main Menu—Diagnostics—Cab Switches................125
  Display Unit—Main Menu—Diagnostics—Switch Module................126
  Display Unit—Main Menu—Diagnostics—Joystick Steering................509
  Display Unit—Main Menu—Diagnostics—Tire Pressure—If Equipped................128
  Display Unit—Main Menu—Diagnostics—Object Detect—If Equipped................129
  Display Unit—Main Menu—Diagnostics—Auto Diff Lock—If Equipped................130
  Display Unit—Main Menu—Diagnostics—Payload Scale—If Equipped................131
  Display Unit—Main Menu—Payload Scale—If Equipped................132
  Display Unit—Main Menu—Payload Scale—Long Total................133
  Display Unit—Main Menu—Payload Scale—Display Units................134
  Display Unit—Main Menu—Payload Scale—Auto Add................135
  Display Unit—Main Menu—Payload Scale—Diagnostics................136
  Display Unit—Main Menu—Payload Scale—Setup................137
  Display Unit—Main Menu—Monitor Settings................138
  Display Unit—Main Menu—Security................139
  Display Unit—Main Menu—Security—Security................141
  Display Unit—Main Menu—Security—Change Owner PIN................142
  Display Unit—Main Menu—Security—Manage Operator PINs................143
  Display Unit—Main Menu—Security—Manage Transport PIN................144
  Display Unit—Main Menu—Security—Delayed Operator Logout................146
  Horn Button................147
  Turn Signals................148
  Tilt Steering Column Adjustment................149
  Joystick Steering Armrest Adjustment— if Equipped................150
  Air Conditioner and Heater Operation................152
  Opening and Securing Side Door................154
  Opening Side Window/Secondary Exit................156
  Opening Rear Side Window................157
  Seat Adjustment................158
  Fire Extinguisher—If Equipped................160
Section 2-2: Operation—Operating the Machine................161
  Inspect Machine Daily Before Starting................163
  Engine Break-In Period................165
  Minimizing the Effect of Cold Weather on Diesel Engines................243
  Engine Block Heater—If Equipped................168
  Check Instruments Before Starting................169
  Starting the Engine................496
  Starting Fluid (Cold Weather Starting Aid)—If Equipped................174
  Warmup................176
  Cold Weather Warmup................177
  Automatic Idle and Automatic Shutdown................178
  Neutral Lock................179
  Park Brake Switch................180
  Shifting the Transmission................498
  Joystick Bucket and Boom Control................185
  Two Lever Bucket and Boom Control................187
  Auxiliary Control................189
  Joystick Steering Control—If Equipped................190
  Ride Control—If Equipped................194
  Secondary Steering—If Equipped................198
  Differential Lock Operation................200
  Counter Switch................201
  Rear Camera and Radar Object Detection System (RODS)—If Equipped................202
  Embedded Payload Scale—If Equipped................205
  Security System................210
  Boom Height Kickout Adjustment................211
  Return-to-Carry Kickout Adjustment................212
  Return-to-Dig Adjustment for Z-Bar Linkage................213
  Operating Loader Coupler—If Equipped................217
  Using the Loader Bucket................218
  Backdragging................221
  Fork Attachment................222
  Operating in Water and Mud................224
  Parking the Machine................225
  Loading Machine on a Trailer................227
  Towing Procedure................230
  Lifting the Machine................233
Section 3-1: Maintenance—Machine................235
  Diesel Fuel................236
  Lubricity of Diesel Fuel................238
  Handling and Storing Diesel Fuel................239
  Biodiesel Fuel................240
  Testing Diesel Fuel................242
  Minimizing the Effect of Cold Weather on Diesel Engines................243
  Low Sulfur Diesel Fuel Conditioner................245
  Alternative and Synthetic Lubricants................246
  Diesel Engine Break-In™ Oil................247
  Diesel Engine Oil—Tier 3 and Stage III A Engines................248
  Diesel Engine Oil—Tier 2 and Stage II Engines................250
  Diesel Engine Oil and Filter Service Intervals—Tier 3/Stage III A Engine................496
  Diesel Engine Oil and Filter Service Intervals—Tier 2/Stage II Engine................496
  Transmission and Park Brake Oil................256
  Axle Gear Lubricant................257
  Hydraulic Oil................258
  Grease................260
  Lubricant Storage................262
  Mixing of Lubricants................263
  Diesel Engine Coolant (engine with wet sleeve cylinder liners)................264
  Drain Intervals for Diesel Engine Coolant................266
  John Deere COOL-GARD™ II Coolant Extender................267
  Supplemental Coolant Additives................268
  Operating in Warm Temperature Climates................269
  Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender................270
  Testing Diesel Engine Coolant................272
Section 3-2: Maintenance—Periodic Maintenance................273
  Engine Identification................274
  Service Machine at Specified Intervals................278
  Check Hour Meter Regularly................279
  Prepare Machine for Maintenance................280
  Frame Locking Bar................283
  Supporting the Boom................284
  Engine Service Doors and Side Shields................285
  Cooling System Doors................287
  Fuel Tank................289
  Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit................290
  Service Intervals................291
  Required Parts................294
Section 3-3: Maintenance—As Required................297
  Inspect Tires and Check Pressure................298
  Tire Pressures................301
  Check Wheel Bolt/Nut Torque................306
  Inspect Engine Air Cleaner Elements................307
  Inspect Air Conditioner Compressor and Alternator Belt................310
  Clean Cooler Cores................312
  Check Windshield Washer Fluid Level................314
  Drain Water and Sediment From Final Fuel Filter................315
  Drain Water From Primary Fuel Filter................316
  Replace Fast Fill Fuel Breather—If Equipped................317
  Drain Water From Auxiliary Fuel Filter—If Equipped................318
  Check and Clean or Replace Cab Fresh Air Filter................319
  Check and Clean or Replace Cab Recirculating Air Filter................321
  Check Rear Camera and Radar Object Detection (ROD) System—If Equipped................323
  Check Coolant................382
Section 3-4: Maintenance—Every 10 Hours or Daily................327
  Check Coolant Level in Surge Tank................328
  Check Engine Oil Level................329
  Check Hydraulic System Oil Level................330
  Check Transmission Oil Level................331
  Inspect Outer Pin Seals................333
Section 3-5: Maintenance—Every 100 Hours................335
  Lubricate Loader Linkage and Cylinder Pivots—Z-Bar Linkage................336
  Lubricate Rear Axle Front Oscillating Pivot................338
Section 3-6: Maintenance—Initial Service - 250 Hours................339
  Drain and Refill Engine Oil and Replace Filter................353
  Drain and Refill Front and Rear Axle Oil................388
  Replace Axle Oil Filters................381
Section 3-7: Maintenance—Every 250 Hours................345
  Take Engine Oil Sample................346
Section 3-8: Maintenance—Every 500 Hours................347
  Check Air Intake Hoses................348
  Check Battery Water Level and Terminals................349
  Drain and Refill Engine Oil and Replace Filter................353
  Replace In-Line Fuel Strainer................355
  Replace Primary Fuel Filter................356
  Replace Final Fuel Filter................358
  Replace Auxiliary Fuel Filter—If Equipped................360
  Replace Fast Fill Fuel Breather Filter—If Equipped................362
  Replace Hydraulic Reservoir Breather Filter................363
  Check Park Brake Oil Level................364
  Lubricate Front and Rear Shaft Seals on Park Brake................505
  Check Front and Rear Axle Oil Level................366
  Check Ride Control Accumulator................367
  Take Fluid Samples................370
Section 3-9: Maintenance—Every 1000 Hours................371
  Replace Engine Air Cleaner Elements................372
  Clean Engine Crankcase Vent Tube................374
  Lubricate Frame Hinge Pivots................375
  Drain and Refill Park Brake Oil................376
  Clean Fan Drive Case Drain In-line Screen................377
  Replace Axle Oil Filters................381
  Check Coolant................382
Section 3-10: Maintenance—Every 2000 Hours................383
  Replace Outer Pin Seals................384
  Drain and Refill Transmission Oil and Replace Filters................385
  Drain and Refill Front and Rear Axle Oil................388
  Check and Adjust Electronic Injector Preload................390
  Check and Adjust Engine Valve Lash................391
  Rerun Transmission Clutch Calibration................392
  Clean Front and Rear Axle Oil Recirculation Screens—If Equipped................393
Section 3-11: Maintenance—Every 4000 Hours................394
  Clean Hydraulic Pump Case Drain Screen................395
  Clean Hydraulic System Fill Strainer................399
  Replace Hydraulic System Return Filters................400
  Drain and Refill Hydraulic System Oil................402
  Replace Crankshaft Damper................405
Section 3-12: Maintenance—Every 5000 Hours................406
  Inspect Driveline Damper................407
Section 3-13: Maintenance—Every 6000 Hours................408
  Drain Cooling System................409
  Refill Cooling System................411
Section 4-1: Miscellaneous—Machine................413
  Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped................414
  Check Air Inlet Cover................415
  Inspect Fuel Tank Vent Hose and Breather Filter................416
  Bleed Fuel System................417
  Check Fire Extinguisher—If Equipped................418
  Precautions for Alternator and Regulator................419
  Handle Batteries Safely................420
  Using Booster Batteries—24-Volt System................422
  Using Battery Charger................424
  Battery Disconnect Switch................426
  Replacement Batteries................427
  Remove and Install Batteries................428
  12-Volt Auxiliary Power Outlet—If Equipped................413
  JDLink™ Machine Monitoring System (MMS)—If Equipped................432
  Fuse Identification and Replacement................433
  Replacing Halogen Bulbs................437
  Fluid Sampling Test Ports................439
  Air Conditioner System Service................441
  Welding On Machine................442
  Bleeding Brakes................443
  Radiator, Oil Cooler, and Charge Air Cooler External Cleaning................445
  Service Recommendations For Snap-To-Connect (STC®) Fittings................447
  Do Not Service Control Valves, Cylinders, Pumps, or Motors................449
  Replacing Bucket Teeth—TK Series................450
  Keep ROPS Installed Properly................451
  Hardware Torque Specifications................452
  Unified Inch Bolt and Screw Torque Values................453
  Metric Bolt and Screw Torque Values................455
Section 4-2: Miscellaneous—Operational Checkout................458
  Operational Checkout................458
Section 4-3: Miscellaneous—Troubleshooting................494
  Troubleshooting Procedure................495
  Engine................496
  Transmission................498
  Differential And Axle................501
  Service Brake................503
  Driveline................504
  Park Brake................505
  Hydraulic System................506
  Steering................509
  Air Conditioning System................510
  Heater System................512
Section 4-4: Miscellaneous—Storage................513
  Prepare Machine For Storage................514
  Monthly Storage Procedure................516
Section 4-5: Miscellaneous—Machine Numbers................518
  Record Product Identification Number (PIN)................519
  Record Engine Serial Number................520
  Record Transmission Serial Number................521
  Record Hydraulic Pump Serial Number................522
  Keep Proof of Ownership................523
  Keep Machines Secure................524
Section 4-6: Miscellaneous—Specifications................525
  Engine Specifications................526
  Drain and Refill Capacities................528
  Standard Z-Bar Specifications................529
  Travel Speeds................531

John Deere 844K Loader Operator's Manual (OMT228004)

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