Complete All Inclusive Technical Manual with electrical wiring diagrams for John Deere Tractors 500, 504, B550 and B554 (2WD or MFWD), with workshop information to maintain, diagnose, repair, and rebuild like professional mechanics (Diagnosis, Operation, Tests, Repair, Service, Troubleshooting).

John Deere Tractors Models 500, 504, B550 and B554 workshop technical service 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.
* 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.

PRODUCT DETAILS:
Total Pages: 1,021 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Language: English

tm701519 - John Deere Tractors Models 500, 504, B550, B554 Technical Manual (All Inclusive).pdf
TM701514 TM - All Inclusive 500,504,B550和B554型拖拉机技术手册.pdf
OMSJ16414 Operator's Manual 500, 504, B550 and B554 Tractor.pdf
OMSJ16415 Operator's Manual 500, 504, B550 and B554 Tractor.pdf
PC4654 Parts Catalog 500 Tractor (China Edition).pdf
PC4654Z Parts Catalog 500 Tractor (China Edition).pdf

MAIN SECTIONS
  Foreword
   General
      Safety regulations
      Technical specifications
      Fuel and lubricating oil
      Position of serial number plate
      Discharge oil and water before servicing
   Engine
      Engine
      Cooling system
   Fuel system, air intake and exhaust
      Speed control lever
      Fuel system
      Air intake and exhaust system
   Electrical system
      Battery and engine
      Electrical system components
      Wiring harness
      Fuses and relays
      Electrical schematic
   Drive system
      Rear PTO shaft
      Clutch
      Feeder house
      Gearbox
      Rear differential
      Final drive
      MFWD
      2WD front axle
   Steering and braking device
      Steering system
      Brake
      Air brake (optional)
   Hydraulic system
      Hydraulic pump, oil tank and oil pipe assembly
      Lifter
      Trailer device
   Miscellaneous
      Engine hood and shield
      Three-point suspension device
      Wheel
      Front counterweight tray
   Cab
      Remove and install components
      Seat
      Safety bracket
   Special tools (made by dealers)
      Special tools (made by dealers)
   Work checking procedures
      Work checking procedures
   Engine operational principles, test and adjust
      Component locations
      Operational principles
      Diagnose, test and adjust
   Operational principles, test and adjustment of fuel/air intake system
      Component locations
      Operational principles
      Diagnose, test and adjust
   Operational principles, test and adjustment of electrical system
      Component locations
      Operational principles
      Diagnose, test and adjust
      Circuit diagram
   Operational principles, test and adjustment of drive system
      Component locations
      Operational principles
      Diagnose, test and adjust
   Operational principles, test and adjustment of steering and braking devices
      Component locations
      Operational principles
      Diagnose, test and adjust
   Operational principles, test and adjustment of hydraulic system
      Component locations
      Operational principles
      Diagnose, test and adjust

TABLE OF CONTENTS
Section 10: General.......212
  Group 05: Safety regulations.......19
    Live With Safety.......24
    Recognize Safety Information.......25
    Understand Signal Words.......26
    Follow Safety Instructions.......27
    Prepare for Emergencies.......28
    Wear Protective Clothing.......29
    Protect Against Noise.......30
    Handle Fuel Safely—Avoid Fires.......31
    Handle Starting Fluid Safely.......32
    Fire Prevention.......33
    In Case of Fire.......34
    Keep ROPS Installed Properly.......35
    Use Foldable ROPS and Seat Belt Properly.......36
    Stay Clear of Rotating Drivelines.......37
    Use Steps and Handholds Correctly.......39
    Read Operator Manuals for ISOBUS Implements.......40
    Use Seat Belt Properly.......41
    Operating the Tractor Safely.......42
    Avoid Backover Accidents.......44
    Limited Use in Forestry Operation.......45
    Operating the Loader Tractor Safely.......46
    Keep Riders Off Machine.......47
    Instructional Seat.......48
    Use Safety Lights and Devices.......49
    Transport Towed Equipment at Safe Speeds.......50
    Use Caution On Slopes and Uneven Terrain.......52
    Freeing a Mired Machine.......53
    Avoid Contact with Agricultural Chemicals.......54
    Handle Agricultural Chemicals Safely.......55
    Handling Batteries Safely.......57
    Avoid Heating Near Pressurized Fluid Lines.......59
    Remove Paint Before Welding or Heating.......60
    Handle Electronic Components and Brackets Safely.......61
    Practice Safe Maintenance.......62
    Avoid Hot Exhaust.......63
    Clean Exhaust Filter Safely.......64
    Work In Ventilated Area.......67
    Support Machine Properly.......68
    Prevent Machine Runaway.......69
    Park Machine Safely.......70
    Transport Tractor Safely.......71
    Service Cooling System Safely.......72
    Service Accumulator Systems Safely.......73
    Service Tires Safely.......74
    Service Front-Wheel Drive Tractor Safely.......75
    Tightening Wheel Retaining Bolts/Nuts.......76
    Avoid High-Pressure Fluids.......77
    Do Not Open High-Pressure Fuel System.......78
    Store Attachments Safely.......79
    Dispose of Waste Properly.......80
    Use a Safety Chain.......81
    Engine Coolant.......82
    Produce dealer self-made tools safely.......83
    Handle Global Positioning System (GPS) receiver safely.......84
    Avoid tractor being out of control.......85
    Use Proper Lifting Equipment.......86
    Work in Clean Area.......87
    Illuminate Work Area Safely.......88
    Service Machines Safely.......89
    Use Proper Tools.......90
  Group 10: Technical specifications.......792
    Technical specifications for 2WD model.......96
    Technical specifications of mechanical front-wheel drive model.......101
    Maximum control force.......106
    Minimum turning radius.......107
    PTO shaft properties.......108
    Traction properties.......109
    Properties of hydraulic suspension system.......110
    Pouring capacity (L).......111
    Metric bolt and screw torque values.......113
    Imperial bolt and screw torque values.......115
    Hydraulic system imperial connector torque.......118
    Hydraulic system metric connector torque.......119
    Clean air filter.......121
    Check hose clamps.......122
    Clear dust on engine cover and screen.......124
    Clean radiator.......125
    Check lifter, gearbox and front drive axle oil level.......126
    Clean battery.......128
    Check neutral start circuit.......129
    Tractor operation check.......131
  Group 15: Fuel and lubricating oil.......21
    Handle fuel safely - Prevent fire.......133
    Handle Fluids Safely—Avoid Fires.......134
    Handling and Storing Diesel Fuel.......138
    Cold Weather Operation.......136
    Hot Weather Operation.......137
    Diesel Fuel.......138
    Lubricity of Diesel Fuel.......140
    Testing Diesel Fuel.......141
    Fill the fuel tank.......142
    Alternative and Synthetic Lubricants.......144
    Lubricant Storage.......145
    Diesel engine break-in oil.......146
    Diesel engine oil.......148
    Oil Filters.......150
    Heavy Duty Diesel Engine Coolant.......151
    Use of Water as Coolant.......152
    Liquid coolant conditioner.......153
    Transmission and Hydraulic Oil.......154
    Use Correct Transmission/Hydraulic Filter Element.......155
    MFWD Front Axle Housing Oil.......156
    MFWD Wheel Hub Oil.......157
    Refuel gearbox.......158
    Regularly check and service the gearbox.......159
    Lubricating grease (specific applications).......160
    Grease.......161
  Group 20: Position of serial number plate.......22
    Serial number.......163
    Tractor serial number.......164
    Tractor machine serial number - 13-digit PIN.......165
    Engine serial number.......166
  Group 25: Discharge oil and water before servicing.......22
    MFWD model front axle oil discharge.......168
    MFWD drive transfer case oil discharge.......169
    Steering oil tank hydraulic oil discharge.......170
    Gearbox oil discharge.......171
    Lifter oil discharge.......172
    Diesel tank discharge.......173
    Coolant discharge.......174
    Engine oil discharge.......176
Section 20: Engine.......177
  Group 05: Engine.......177
    Basic or recommended tools.......179
    Technical specifications.......792
    Engine maintenance.......181
    Remove and install engine.......243
  Group 10: Cooling system.......177
    Technical specifications.......792
    Maintenance of engine water pump.......188
    Remove, install and adjust fan drive belt.......189
    Remove, check and install radiator.......191
    Replace thermostat.......196
    Install thermostat.......198
Section 30: Fuel system, air intake and exhaust.......200
  Group 05: Speed control lever.......200
    Technical specifications.......792
    Check and repair engine control mechanism assembly.......203
    Adjust foot throttle cable and pedal force.......205
    Adjust shut-off cable.......207
    Adjust throttle handle.......208
    Adjust synchronization of foot throttle pedal and throttle handle.......209
  Group 10: Fuel system.......200
    General.......212
    Technical information.......213
    Remove, check and install fuel tank.......214
    Replace fuel transfer pump.......219
    Replace sediment bowl.......220
    Replace sediment bowl assembly.......221
    Replace fuel filter and engine oil filter.......223
    Bleed air from fuel system.......797
  Group 15: Air intake and exhaust system.......200
    Technical specifications.......792
    Remove, check and install air filter.......228
    Remove, check and install muffler.......231
Section 40: Electrical system.......234
  Group 05: Battery and engine.......234
    Avoid damaging electrical system.......237
    Replace battery.......238
    Charging battery.......927
    Connect battery cables.......240
    Remove and install battery.......241
    Remove and install engine.......243
  Group 10: Electrical system components.......234
    Service equipment and tools.......246
    Replace water temperature sensor.......247
    Replace engine oil pressure sensor.......248
    Replace engine speed sensor.......249
    Replace fuel volume sensor.......250
    Replace keyswitch.......252
    Replace warning light switch.......254
    Replace high/low beam switch / light switch / work light switch / turn signal light switch / horn switch.......256
    Replace brake light switch.......258
    Replace gearbox neutral start switch.......259
    Replace PTO neutral start switch.......261
    Replace horn.......262
    Replace flasher.......263
    Replace trailer socket (optional).......264
    Replace air pressure alarm switch (optional).......265
  Group 15: Wiring harness.......840
    Cable repair pliers.......267
    Remove and install electrical connectors.......268
    Separate blade terminals from connectors.......269
    Replace connector.......270
    Install contact.......272
    Replace tractor wiring harness.......273
    Wiring harness.......840
  Group 20: Fuses and relays.......235
    Locations of fuses.......280
    Fuse specifications and functions.......282
    Replace start relays.......283
  Group 25: Electrical schematic.......940
    Cable color codes.......939
    Electrical schematic.......940
Section 50: Drive system.......290
  Group 10: Rear PTO shaft.......290
    Exploded view of rear PTO control assembly.......294
    Exploded view of output driving shaft module.......296
    Exploded view of PTO shaft.......298
    PTO shaft protection cover assembly.......300
    Remove, check and assemble PTO control assembly.......301
    Disassemble and check rear PTO shaft assembly.......304
    Assemble rear PTO shaft assembly.......314
  Group 15: Clutch.......290
    Recommended tools.......327
    Technical specifications.......792
    Remove, check and install clutch assembly.......329
    Adjustment of clutch.......331
    Disassemble, check and assemble clutch assembly.......333
    Adjustment of clutch assembly.......337
  Group 20: Feeder house.......290
    Technical specifications.......792
    Remove and install feeder house.......341
    Exploded view of feeder house (2WD).......344
    Exploded view of feeder house (4WD).......347
    Disassemble, check and assemble feeder house.......350
  Group 25: Gearbox.......290
    Exploded view of gearbox first shaft (MFWD).......360
    Exploded view of gearbox second shaft.......362
    Exploded view of gearbox second shaft (MFWD).......364
    Exploded view of control lever assembly and shift fork shaft module.......366
    Exploded view of gearbox cover assembly.......368
    Remove and install gearbox.......370
    Disassemble, check and assemble shift shaft.......373
    Disassemble and check first shaft and second shaft.......376
    Assemble first shaft and second shaft.......388
  Group 30: Rear differential.......291
    Technical specifications.......792
    General repair procedures - rear differential.......409
    Exploded view of rear differential assembly.......410
    Remove and install differential assembly.......412
    Disassemble, check and assemble differential assembly.......418
  Group 35: Final drive.......291
    Technical specifications.......792
    Exploded view of final drive assembly.......432
    Remove and install final drive assembly.......434
    Disassemble and check final drive assembly.......439
    Assemble final drive assembly.......442
  Group 40: MFWD.......291
    Technical specifications.......792
    Exploded view of drive transfer case and drive shaft (4WD).......450
    Remove, check and install drive transfer case and drive shaft (4WD).......452
    Disassemble, check and assemble drive transfer case (4WD).......456
    Exploded view of bracket and front central drive.......460
    Exploded view of front central drive and half shaft housing.......462
    Exploded view of front final drive.......464
    Remove and check front wheel final drive assembly.......467
    Assemble front wheel final drive assembly.......478
    Disassemble and check front central drive assembly.......496
    Assemble front central drive assembly.......506
  Group 45: 2WD front axle.......291
    Exploded view of front axle bracket.......523
    Exploded view of knuckle and front wheel hub.......525
    Exploded view of steering horizontal lever.......527
    Remove, check and assemble front axle.......528
Section 60: Steering and braking device.......534
  Group 05: Steering system.......534
    Technical specifications.......792
    Remove and install steering wheel.......537
    Remove and install steering column.......538
    Remove and install hydraulic steering oil tank.......539
    Remove and install hydraulic steering system pipes.......542
    Remove and install steering cylinder assembly.......552
    Remove and install constant flow pump.......557
    Remove and install full hydraulic steering gear.......560
    Adjust toe-in (MFWD).......1035
    Adjust front wheel toe-in and wheel tread (2WD model).......1037
  Group 10: Brake.......534
    Technical specifications.......792
    Remove and install brake pedals.......569
    Remove and install braking device.......574
    Remove and install handbrake assembly.......581
    Adjust brake stroke.......583
  Group 10B: Air brake (optional).......534
    Technical requirements.......587
    Exploded view of air brake.......588
    Exhaust air and discharge water from air reservoir.......590
    Remove, check and install valve lever assembly.......591
    Remove, check and install cut-off brake valve.......593
    Remove, check and install air pipes.......595
    Remove, check and install air reservoir.......601
    Remove, check and install air reservoir bracket.......603
    Repair of compressor.......604
    Adjust cut-off brake valve.......605
Section 70: Hydraulic system.......606
  Group 05: Hydraulic pump, oil tank and oil pipe assembly.......606
    Remove and install gear pump.......610
    Remove and install lifter oil tank.......613
    Remove and install lifter oil pipes.......616
  Group 10: Lifter.......606
    Technical specifications.......792
    Remove and install lifter assembly.......628
    Remove and install lifter parts - lifter upper cover and filter assembly.......630
    Remove and install lifter parts - shut-off valve transition plate assembly.......631
    Remove and install lifter parts - outer lift arm and lift shaft.......632
    Remove and install lifter parts - internal connecting parts.......634
    Remove and install lifter parts - cylinder and distributor.......635
    Remove and install lifter parts - distributor.......637
    Remove and install lifter parts - safety valve and shut-off valve rod.......642
    Remove and install lifter parts - lifter oil level gauge.......643
  Group 15: Trailer device.......606
    Technical specifications.......792
    Remove and install trailer device.......646
Section 80: Miscellaneous.......648
  Group 05: Engine hood and shield.......648
    Remove engine hood.......652
    Install engine hood.......655
    Remove and install engine hood air spring strut.......658
    Remove and install engine hood lock.......659
    Remove and install PTO shaft shield.......660
  Group 10: Three-point suspension device.......648
    Adjust upper lever.......663
    Remove and install upper lever assembly.......664
    Adjust oblique lever.......666
    Remove and install oblique lever.......667
    Remove and install lower lever.......670
    Adjust external stopper chain assembly.......672
    Remove and install external stopper chain.......673
  Group 15: Wheel.......648
    Technical specifications.......792
    Remove and install guide wheels.......679
    Remove and install front drive wheels.......680
    Remove and install drive wheels.......681
    Remove and install rear wheel counterweight.......682
  Group 20: Front counterweight tray.......648
    Remove, check and install front counterweight tray.......688
Section 90: Cab.......693
  Group 05: Remove and install components.......693
    Remove and install gantry.......697
    Remove and install instrument cover.......700
    Remove and install fender and flooring welding assembly.......703
    Remove and install boarding step.......706
    Remove and install rear-view mirrors.......708
    Remove and install cross-beam welding.......710
  Group 10: Seat.......693
    Remove and install seat.......716
  Group 15: Safety bracket.......693
    Remove and install safety bracket.......722
Section 99: Special tools (made by dealers).......724
  Group 05: Special tools (made by dealers).......724
    Q22-264 special tool for installing final drive housing shaft sleeve Ⅰ.......727
    Q23-83 special tool for installing composite bushes at both ends of first shaft.......729
    Q22-4 special shaft for installing clutch assembly.......731
    Q23-5 special tool for installing bearing 305.......737
    Q23-6 special tool for installing bushes.......739
    Q22-56 special tool for installing oil seals.......741
    Q22-57 special tool for installing bearings.......742
    Q22-105 special tool for installing brake camshaft.......744
    Q22-7 special tool for installing reverse gear composite bushes.......746
    Q23-3 special tool for installing bearing 6207.......747
    Q22-106 special tool for installing bearing 30211 inner ring.......749
Section 210: Work checking procedures.......751
  Group 10: Work checking procedures.......751
    Information of work checking procedures.......753
    Engine oil level and status check.......754
    Coolant level and status check.......756
    Gearbox oil level check.......758
    Lifter oil check.......760
    Fan and belt check.......762
    Fuel system check.......764
    Air intake system check.......766
    Electrical system check.......768
    Hydraulic system check.......769
    Indicator bulb check.......770
    Engine start check.......772
    Power steering check.......773
    Clutch check.......774
    Shift lever check.......775
    Brake check.......777
    Other checks.......779
Section 220: Engine operational principles, test and adjust.......780
  Group 05: Component locations.......780
    Information of component locations.......1041
    Engine external components - left side.......783
    Engine external components - right side.......785
  Group 10: Operational principles.......780
    Information of operational principles.......1044
    Operational principles of engine cooling system.......789
  Group 15: Diagnose, test and adjust.......780
    Technical specifications.......792
    Cooling system test.......793
    Throttle adjustment.......794
    Fan/Generator drive belt adjustment.......795
    Bleed air from fuel system.......797
    Air filter blockage.......799
    Engine cannot start or is difficult to start.......801
    Insufficient engine power.......803
    Engine emits black smoke.......804
    Engine emits blue smoke.......805
    Engine emits white smoke.......806
    Engine oil pressure is abnormal.......807
    Engine oil level rises.......808
    Abnormal sound.......809
    Water temperature of engine is too high.......810
    Engine oil consumption is too much.......811
    Excessive vibration.......812
    Starter motor failure.......813
    Generator failure.......814
Section 230: Operational principles, test and adjustment of fuel/air intake system.......815
  Group 05: Component locations.......815
    Information of component locations.......1041
    Fuel system components.......818
    Air intake/exhaust system components.......820
  Group 10: Operational principles.......815
    Information of operational principles.......1044
    Operational principles of fuel system.......823
    Operational principles of air intake/exhaust system.......825
  Group 15: Diagnose, test and adjust.......815
    Diagnostic information.......1053
    Fuel/air intake system diagnosis, test and adjustment.......829
    Exhaust noise is abnormal.......830
Section 240: Operational principles, test and adjustment of electrical system.......832
  Group 05: Component locations.......832
    Information of component locations.......1041
    Engine electrical components - right side.......836
    Engine electrical components - left side.......837
    Electrical components of dashboard and main control panel.......838
    Wiring harness.......840
  Group 10: Operational principles.......832
    Information of operational principles.......1044
    Fuses.......846
    Relays.......848
    Operational principles of starting system.......849
    Operational principles of battery charging system.......851
    Operational principles of lighting system - left/right turn signal light.......853
    Operational principles of lighting system - High/Low beam.......855
    Operational principles of lighting system - dashboard switch light.......857
    Operational principles of lighting system - work lights.......859
    Operational principles of lighting system - taillights, front screen lights and brake lights.......861
    Operational principles of lighting system - hazard warning light.......864
    Operational principles of dashboard system - oil pressure alarm indicator.......866
    Operational principles of dashboard system - air brake indicator (optional).......868
    Operational principles of dashboard system - tachometer.......870
    Operational principles of dashboard system - fuel gauge.......872
    Operational principles of dashboard system - water temperature gauge.......874
    Operational principles of horn.......876
  Group 15: Diagnose, test and adjust.......832
    Diagnostic information.......1053
    Cable color table.......882
    Starting system test point.......883
    Battery charging system test point.......886
    Lighting system test points - left/right turn signal light.......888
    Lighting system test points - high/low beam.......892
    Lighting system test point - dashboard switch light.......896
    Lighting system test points - work light.......900
    Lighting system test points - taillight, front screen light and brake light.......903
    Lighting system test points - hazard warning light.......907
    Dashboard system test points - oil pressure alarm indicator.......911
    Dashboard system test points - air brake indicator test point (optional).......914
    Dashboard system test points - tachometer.......916
    Dashboard system test points - fuel gauge.......918
    Dashboard system test points - water temperature gauge.......921
    Horn test point.......924
    Battery voltage test.......926
    Charging battery.......927
    Keyswitch test.......928
    Fuse test.......930
    Neutral start switch test.......931
    Hazard alarm switch test.......932
    Front floodlight high/low beam switch test.......933
    Light switch test.......934
    Work light switch test.......935
    Turn signal light switch test.......936
    Horn switch test.......937
  Group 20: Circuit diagram.......833
    Cable color codes.......939
    Electrical schematic.......940
Section 250: Operational principles, test and adjustment of drive system.......943
  Group 05: Component locations.......943
    Information of component locations.......1041
    Drive system components.......946
    Clutch components.......947
    Gearbox components.......948
    Front drive axle component.......961
    Final drive components.......968
  Group 10: Operational principles.......943
    Information of operational principles.......1044
    Operational principles of clutch.......972
    Operational principles of gearbox.......974
    Operational principles of final drive.......979
    Operational principles of rear PTO shaft.......981
    Operational principles of drive transfer case transmission.......983
    Operational principles of MFWD.......985
  Group 15: Diagnose, test and adjust.......943
    Diagnostic information.......1053
    Isolate defective components.......990
    Clutch slippage.......992
    Clutch cannot be disengaged completely.......993
    Clutch engagement.......994
    Clutch cannot be disengaged.......995
    Clutch pedal does not return.......996
    Power is transmitted unstably or unsteadily.......997
    Gearbox oil level is low (serious oil leakage).......998
    Gear bumps, shifting is difficult or fails to engage.......999
    Gearbox fails to stay at required gear position.......1000
    PTO shaft generates much noise.......1001
    PTO shaft is difficult to engage.......1002
    PTO shaft fails to stay at engaged status.......1003
    Differential generates much noise.......1004
Section 260: Operational principles, test and adjustment of steering and braking devices.......1005
  Group 05: Component locations.......1005
    Information of component locations.......1041
    Steering system components.......1008
    Braking system components.......1011
  Group 10: Operational principles.......1005
    Information of operational principles.......1044
    Operational principles of hydraulic steering system.......1017
    Operational principles of braking system.......1020
  Group 15: Diagnose, test and adjust.......1005
    Diagnostic information.......1053
    Isolate defective components - steering system.......1028
    It is difficult or fails to steer.......1029
    Steering cylinder leakage test.......1030
    Isolate defective components - brake.......1031
    Braking is not stable.......1032
    Isolate defective components - air brake.......1033
    Air pressure alarm switch light is lit.......1034
    Adjust toe-in (MFWD).......1035
    Adjust front wheel toe-in and wheel tread (2WD model).......1037
Section 270: Operational principles, test and adjustment of hydraulic system.......1039
  Group 05: Component locations.......1039
    Information of component locations.......1041
    Lifter assembly.......1042
  Group 10: Operational principles.......1039
    Information of operational principles.......1044
    Operational principles of hydraulic system.......1045
  Group 15: Diagnose, test and adjust.......1039
    Diagnostic information.......1053
    Preliminary checks of hydraulic system.......1054
    Entire hydraulic system is not working / hydraulic oil pump does not supply oil.......1055
    Insufficient oil supply from oil pump.......1056
    Oil pump pressure is too high.......1057
    Too much noise is generated when oil pump works.......1058
    Lifter does not lift or lifting speed is too slow.......1059

John Deere Tractors Models 500, 504, B550, B554 All Inclusive Service Technical Manual (TM701519)