Complete All Inclusive Technical Manual with electrical wiring diagrams for John Deere Tractor 5303, with workhop information to maintain, diagnose, repair, and rebuild like professional mechanics (Diagnosis, Operation, Tests, Repair, Service, Troubleshooting).

John Deere Tractor 5303 workshop technical 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.
* 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.

TM4827 English- John Deere Tractor 5303 Diagnostic and Repair Technical Manual.pdf
TM801054 Portuguese - Tratores 5303 e 5403 — Manual Técnico de Reparos.pdf

Published on 2006/12/01
Total Pages: 1,261 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English Portuguese

MAIN SECTIONS
  Foreword
   General Information
      Safety
      General Specifications
      Fuel and Lubricants
      Serial Number Locations
      Features and Accessories
   Engine Repair
      Engine
      Cylinder Head and valves
      Cyl. Block, Liners, Pistons & Rods
      Crankshaft, Main Bearings and Flywheel
      Camshaft and Timing Gear Train
      Lubrication System
      Cooling System
   Fuel and Air Repair
      Fuel System
      Air Intake and Exhuast System
      Speed Control Linkage
   Electrical Repair
      Battery, Starter and Alternator
      Electrical System Components
      Wiring Harness
   Power Train Repair
      Clutch Housing
      Clutch Assembly-CollarShift Transmissions
      CollarShift Transmission
      Rear PTO Drive Shaft
      Differential
      Final Drives
   Steering and Brake Repair
      Steering Repair
      Brake Repair
   Hydraulic Repair
      Hydraulic Pump and Filter
      MITA Rockshaft
      JD Rockshaft
      Selective Control Valve (SCV)
   Miscellaneous Repair
      Front Axle
      Wheels
      3-Point Hitch
   Operator Station Repair
      Seat and Support
      ROPS
      Operator Platform
      Fenders
   Operational Checkout Procedures
      Operational Checkout Procedures
   Engine Operation, Tests and Adjustments
      Component Location
      Theory of Operation
      Diagnosis, Tests and Adjustments
   Fuel/Air Operation, Test and Adjustments
      Component Location
      Theory of Operation
      Diagnosis, Tests and Adjustments
   Electrical System Operation, Tests & Adjust
      Component Location
      Theory of Operation
      Diagnosis, Test and Adjust
      Wiring Schematics
   Power Train Operation, Tests and Adjustments
      Component Location-CollarShift Transmission
      Theory of Operation-CollarShift Transmission
      Diagnosis, Tests, and Adjustments-CS Transmission
   Steering and Brake Operation, Test & Adjustments
      Component Location
      Theory of Operation
      Diagnosis, Tests and Adjustments
   Hydraulic System Operation, Test and Adjustments
      Component Location
      Theory of Operation
      Diagnosis
      Hydraulic Tests - Without SCV
      Hydraulic Tests-With SCV
      Hydraulic Tests - All
      Adjustments - MITA Rockshaft
      Adjustments - JD Rockshaft
      Hydraulic Schematics

TABLE OF CONTENTS
Section 10: General Information................25
  Group 05: Safety................25
    Recognize Safety Information................28
    Understand Signal Words................29
    Follow Safety Instructions................30
    Handle Fluids Safely-Avoid Fires................31
    Prevent Battery Explosions................32
    Prepare for Emergencies................33
    Prevent Acid Burns................34
    Service Cooling System Safely................36
    Avoid High-Pressure Fluids................37
    Park Machine Safely................38
    Support Machine Properly................39
    Wear Protective Clothing................40
    Work in Clean Area................41
    Service Machines Safely................42
    Work In Ventilated Area................43
    Illuminate Work Area Safely................44
    Replace Safety Signs................45
    Use Proper Lifting Equipment................46
    Service Tires Safely................47
    Avoid Harmful Asbestos Dust................48
    Avoid Heating Near Pressurized Fluid Lines................49
    Remove Paint Before Welding or Heating................50
    Use Proper Tools................51
    Dispose of Waste Properly................52
    Live With Safety................53
  Group 10: General Specifications................840
    Machine Specifications................840
    Repair Specifications................840
    Ground Speed Estimates................62
    Service Recommendations for O-Ring Boss Fittings................64
    Service Recommendations for Flat Face O-Ring Seal Fittings................66
    Metric Bolt and cap screw Torque Values................68
    Unified Inch Bolt and cap screw Torque Values................70
  Group 20: Fuel and Lubricants................26
    Diesel Fuel................74
    Minimizing the Effect of Cold Weather on Diesel Engines................76
    Fuel Storage................78
    Do Not Use Galvanized Containers................79
    Fill Fuel Tank................80
    Diesel Engine Oil................81
    Diesel Engine Coolant................83
    Transmission and Hydraulic Oil................85
    Grease (Specific Application)................86
    Grease................87
    Alternative and Synthetic Lubricants................88
    Lubricant Storage................89
  Group 25: Serial Number Locations................26
    Serial Numbers................91
    Product Identification Number Location................92
    Engine Serial Number Location................93
    Fuel Injection Pump Serial Number Location................94
    Alternator Serial Number Location................95
    Power Steering Valve Serial Number Location................96
    Starter Serial Number Location................97
    Transmission Serial Number Location................98
    Front Axle Serial Number Location................99
  Group 30: Features and Accessories................101
    Features and Accessories................101
    Standard Features................102
    Field Installed Optional Kits and Accessories................104
Section 20: Engine Repair................105
  Group 05: Engine................105
    Service Equipment and Tools................604
    Specifications................840
    John Deere Engine Repair-Use CTM8................114
    Remove Engine................115
    Install Engine................121
    Engine Disassembly Sequence................127
    Sealant Application Guidelines................129
    Engine Re-Assembly Sequence................130
    Engine break-in guidelines................132
    Perform engine break-in................133
    Diesel Engine Break-In Oil................134
  Group 10: Cylinder Head and valves................105
    Special or Essential Tools................841
    Specifications................840
    Torques for Hardware................341
    Cylinder Head - Exploded View................196
    Check Valve Lift................147
    Remove cylinder head................148
    Clean Injection Nozzle Bores................150
    Valve Actuating Parts................151
    Remove Valves and Valve Springs................152
    Checking Cylinder Head Flatness................153
    Clean Valve Guides................154
    Measure Valve Guides................155
    Knurl Valve Guides................157
    Clean and Inspect Valve Seats................158
    Lapping Valve Seats................159
    Check Valve Recess................160
    Remove Valve Seat Inserts................161
    Valve Seat Insert Installation................164
    Check Valves................165
    Grind Valves................166
    Check Valve Spring Compression................167
    Inspect Valve Rotators................168
    Install Valves................169
    Install Cylinder Head................171
    Torque Turn Tightening Method................173
    Disassembling and Checking Rocker Arm Shaft................175
    Reassembling Rocker Arm Shaft................177
    Install Rocker Arm Assembly................178
    Valve Clearance................179
    Valve Adjustment Sequence................180
    Install Rocker Arm Cover................181
    Final Work................183
  Group 15: Cyl. Block, Liners, Pistons & Rods................106
    Special or Essential Tools................841
    Specifications................840
    Torques for Hardware................341
    Exploded View................196
    Connecting Rods - General Information................197
    Remove Pistons and Connecting Rods................199
    Measure Cylinder Liner Bore................201
    Remove Cylinder Liners................202
    Cylinder Liner Deglazing................203
    Cylinder Block Cleaning................204
    Check Piston Cooling Jets................205
    Cam Follower Bore Measure................206
    Measure Camshaft Bore................207
    Remove Camshaft Bushing................208
    Install Camshaft Bushing................209
    Measure Crankshaft Bore................210
    Replace Crankshaft Bearing Caps................211
    Cylinder Block Top Desk Flatness................212
    Measure Cylinder Liner Protrusion................213
    Liner Packing Installation................215
    Liner O-Ring Installation................216
    Install Cylinder Liners................217
    Measure Connecting Rod Bearing................218
    Rod Bearing Clearance................220
    Measure Connecting Rod Bushing................221
    Replace Connecting Rod Bushing (3029D)................222
    Measure Piston Pin................223
    Clean and Inspect Pistons................224
    Measure Piston Pin Bore................225
    Piston Top Ring Groove................226
    Second and Third Piston Ring Grooves................227
    Piston Head and Skirt Checking................228
    Install Piston Rings................229
    Piston Rings Staggering................231
    Piston/Liner Set Information................232
    Assemble Piston and Connecting Rod................233
    Install Piston and Connecting Rod................235
    Measure Piston Protrusion................238
    Complete Final Assembly................240
  Group 20: Crankshaft, Main Bearings and Flywheel................107
    Special or Essential Tools................841
    Specifications................840
    Torques For Hardware................376
    Remove Crankshaft Pulley................249
    Install Crankshaft Pulley................250
    Flywheel Removal................251
    Flywheel Ring Gear Replacement................252
    Install Ball Bearing................253
    Install Flywheel................254
    Remove Crankshaft Rear Oil Seal................255
    Flywheel Housing Replacement................258
    Install Oil Seal/Wear Sleeve................260
    Crankshaft End Play Measure................261
    Remove Crankshaft................263
    Crankshaft Inspection................264
    Check Crankshaft Journal Diameter................265
    Determine Crankshaft Main Bearing Clearance Using PLASTIGAGEPLASTIGAGE is a trademark of DANA Corp.................108
    Regrind Crankshaft................268
    Crankshaft Regrinding Guidelines................269
    Micro-Finishing Specifications................840
    Replace Crankshaft Gear................271
    Install Main Bearing Inserts................273
    Install 2-Piece Thrust Bearing................274
    Crankshaft Installation................275
  Group 25: Camshaft and Timing Gear Train................108
    Special or Essential Tools................841
    Specifications................840
    Torques for Hardware................341
    Remove Crankshaft Front Oil Seal................283
    Remove Timing Gear Cover................284
    Measure Timing Gear Backlash................285
    Camshaft End Play Measure................286
    Remove Camshaft................287
    Measure Camshaft Journal................288
    Measure Height of Cam Lobe................289
    Replace Camshaft Gear................290
    Install Camshaft................291
    Check Cam Follower................292
    Idler Gear End Play Measure................293
    Remove Front Plate................294
    Idler Gear Bushing and Shaft Measure................296
    Idler Gear Bushing Replacement................297
    Remove Idler Shaft................298
    Install Idler Shaft Spring Pin................299
    Install Idler Shafts................300
    Install Front Plate................301
    Install Upper Timing Gear Train................303
    Install Lower Timing Gear Train................305
    Install Oil Deflector................306
    Timing Gear Cover Identification................307
    Install Timing Gear Cover................308
    Install Crankshaft Front Oil Seal................310
    Install Wear Ring................311
    Install Auxiliary Equipment................312
  Group 30: Lubrication System................109
    Special or Essential Tools................841
    Specifications................840
    Torques for Hardware................341
    Oil Cooler Identification................317
    Remove Oil Cooler................318
    Replace Oil Cooler Nipple................319
    Install Oil Cooler................320
    Replace Oil Cooler/Filter Bracket on Engine with Auxiliary Drive................321
    Remove Oil Pressure Regulating Valve................323
    Replace Oil Pressure Regulating Valve Seat................324
    Install Oil Pressure Regulating Valve................325
    Replace Oil Dipstick Guide................326
    Replace Oil By-Pass Valve................327
    Replace Oil Pump Strainer................328
    Remove Oil Pump................329
    Oil Pump Gear Axial Clearance................330
    Oil Pump Gear Radial Clearance................331
    Oil Pump Specifications................840
    Oil Pump Installation................333
    Install Oil Pan................336
  Group 35: Cooling System................109
    Special or Essential Tools................841
    Specifications................840
    Torques for Hardware................341
    Remove And Inspect Radiator................342
    Water Pump - Exploded View................345
    Remove Water Pump................346
    Disassemble Water Pump................347
    Assemble Water Pump................349
    Install Water Pump................352
    Inspect Thermostat................353
    Cooling System Deaeration................355
    Check Fan/Alternator Belt Tension................356
    Install Fan................358
    Install Radiator................360
    Replace Thermostat................362
Section 30: Fuel and Air Repair................365
  Group 05: Fuel System................365
    Special or Essential Tools................841
    Self-Manufactured Tool Template For Front Plate Replacement................374
    Specifications................840
    Torques For Hardware................376
    Injection Pump, Nozzle and Governor Repair-Use CTM8................377
    Remove, Inspect and Install Fuel Tank................378
    Replace Fuel Filter................381
    Remove and Install Fuel Filter/Primer Pump Assembly................382
  Group 10: Air Intake and Exhuast System................365
    Remove, Inspect, and Install Air Cleaner Elements................385
    Check Air inlet Pipe................387
    Exhaust Manifold Inspection................388
  Group 15: Speed Control Linkage................365
    Inspect and Repair Speed Control Linkage................391
Section 40: Electrical Repair................393
  Group 05: Battery, Starter and Alternator................393
    Starter Repair-Use CTM77................395
    Remove and Install Battery................396
    Remove and Install Starter................398
    Replace Alternator/Regulator................399
  Group 10: Electrical System Components................393
    Service Equipment and Tools................604
    Other Material................689
    Replace Air Filter Restriction Sensor................404
    Replace Coolant Temperature Sender................405
    Replace Engine Speed Sensor................406
    Replace Engine Oil Pressure Sensor................407
    Replace Key Switch................408
    Replace Light Switch................409
    Replace Turn Signal Controller................411
    Replace Instrument Panel................412
    Replace Rear PTO Switch................414
    Replace Park position Start Switch................415
    Replace Fuel Level Sender................416
  Group 15: Wiring Harness................393
    Special or Essential Tools................841
    Service Parts Kits................629
    Remove Connector Body from Blade Terminals................421
    Replace WEATHER PACKWEATHER PACK is a trademark of Packard Electric. Connector................393
    Install WEATHER PACKWEATHER PACK is a trademark of Packard Electric. Contact................393
    Replace Tractor Wiring Harness................426
Section 50: Power Train Repair................429
  Group 05: Clutch Housing................429
    Service Equipment and Tools................604
    Other Material................689
    Specifications................840
    Separate Engine from Clutch Housing................435
    Install Engine to Clutch Housing................440
    Replace Clutch Housing Seal................445
    Inspect and Repair Clutch Pedal and Linkage................447
  Group 10: Clutch Assembly-CollarShift Transmissions................429
    Essential Tools................841
    Service Equipment and Tools................604
    Other Material................689
    Specifications................840
    Remove and Install Clutch Assembly................454
    Disassemble and Inspect Clutch Assembly................457
    Assemble Clutch Assembly................465
    Traction Clutch Finger Adjustment................471
    PTO Clutch Finger Adjustment................473
    Remove and Inspect Clutch Release Mechanism and Shafts................475
    Install Clutch Release Mechanism and Shafts................479
  Group 15: CollarShift Transmission................429
    Specifications................840
    Separate Clutch Housing from Transmission................484
    Install Clutch Housing to Transmission................488
    Inspect and Repair Gear and Range Shift Levers................492
    Remove Transmission................496
    Disassemble and Inspect Transmission................499
    Assemble Transmission................507
    Install Transmission................513
    Disassemble, Inspect and Assemble Gear Shift Shaft Assemblies................520
    Disassemble, Inspect, and Assemble Transmission Top Shaft-CollarShift Transmission................522
    Disassemble, Inspect, and Assemble Range Reduction Shaft................525
    Disassemble, Inspect and Assemble Driven Shaft................527
    Remove, Inspect, and Install Range Gears................529
    Remove, Inspect, and Install Reverse Idler Shaft................531
  Group 20: Rear PTO Drive Shaft................430
    Other Material................689
    Specifications................840
    Remove, Inspect and Install Rear PTO Lever and Linkage................536
    Remove and Install Standard Rear PTO Drive Shaft Assembly................538
    Disassemble, Inspect and Assemble Standard Rear PTO Drive Shaft Assembly................540
  Group 25: Differential................430
    Essential Tools................841
    Service Equipment and Tools................604
    Other Material................689
    Specifications................840
    Service Parts Kits................629
    Remove and Install Differential Assembly................549
    Disassemble, Inspect, and Assemble Differential Assembly................551
    Remove and Inspect Differential Drive Shaft................553
    Install Differential Drive Shaft................557
    Remove, Inspect, and Install Differential Lock Assembly................561
    Differential Cone Point Adjustment................563
    Differential Backlash Adjustment................565
  Group 30: Final Drives................430
    Service Equipment and Tools................604
    Other Material................689
    Specifications................840
    Remove and Install Final Drive Assembly................571
    Remove and Inspect Planetary Drive Assembly................573
    Install Planetary Drive Assembly................576
    Remove, Inspect, and Install Axle Shaft Assembly................579
Section 60: Steering and Brake Repair................583
  Group 05: Steering Repair................583
    Other Material................689
    Specifications................840
    Service Parts Kits................629
    Remove and Install Steering Column and valve................588
    Disassemble and Inspect Steering valve................590
    Assemble Steering valve................594
    Remove and Install Steering Cylinder................599
    Disassemble, Inspect and Assemble Steering Cylinder................600
    Remove, Inspect and Install Tie Rod Assembly................601
  Group 10: Brake Repair................583
    Service Equipment and Tools................604
    Other Material................689
    Specifications................840
    Remove and Install Brake valve and Pedals................607
    Disassemble and Inspect Brake Pedals and valve................609
    Brake valve Cross Section................612
    Assemble Brake valve................614
    Remove and Inspect Brakes................617
    Install Brakes................620
    Inspect and Replace Brake Hydraulic Lines................623
Section 70: Hydraulic Repair................625
  Group 05: Hydraulic Pump and Filter................625
    Specifications................840
    Service Parts Kits................629
    Remove, Inspect, and Install Hydraulic Oil Pick-Up Screen................630
    Remove and Install Hydraulic Pump................631
    Remove Hydraulic Pump External Components................633
    Disassemble and Inspect Hydraulic Pump................634
    Assemble Hydraulic Pump................637
    Install Hydraulic Pump External Components................639
    Remove and Install Hydraulic Oil Filter/Manifold................641
    Inspect and Replace Hydraulic Supply and Suction/Return Lines................642
  Group 10: MITA Rockshaft................625
    Other Material................689
    Specifications................840
    Remove, Inspect, and Install Rockshaft Control Lever Assembly................647
    Remove, Inspect, and Install Rockshaft Control Lever Support Assembly................650
    Remove, Inspect and Install Rockshaft Control Linkage................660
    Replace Main Relief valve................671
    Remove, Inspect and Install Rate-of-Drop valve................673
    Replace Rockshaft Control valve................676
    Remove and Install Rockshaft Case................713
    Remove, Inspect and Install Rockshaft Lift Arms................682
    Remove, Inspect and Install Rockshaft Piston and Cylinder................686
  Group 10: JD Rockshaft................625
    Other Material................689
    Specifications................840
    Inspect and Rockshaft Control Assembly................691
    Inspect and Repair Rockshaft Control Linkage................696
    Inspect and Repair Draft Sensing Support Assembly................700
    Replace Main Relief Valve................702
    Replace Rockshaft Surge Relief Valve................704
    Remove, Inspect, and Install Rate-of-Drop Valve................706
    Replace Rockshaft Control Valve................709
    Remove and Install Rockshaft Case................713
    Remove, Inspect, and Install Rockshaft Lift Arms................716
    Remove, Inspect, and Install Rockshaft Piston and Cylinder................718
  Group 15: Selective Control Valve (SCV)................626
    Install Single Selective Control Valve (SCV)................726
    Install Rear Coupler Bracket................731
    Install Hydraulic Hoses................746
    Install Second Selective Control Valve (SCV)................740
    Assemble Rear Quick Coupler................744
    Install Hydraulic Hoses................746
Section 80: Miscellaneous Repair................751
  Group 05: Front Axle................751
    Specifications................840
    Remove and Install Front Axle-2WD................754
    Inspect and Replace Pivot Pin and Bushings-2WD Axle................757
    Remove and Install Spindle Assembly-2WD Axle................758
    Inspect and Replace Spindle Shaft Bushings-2WD Axle................760
  Group 10: Wheels................751
    Specifications................840
    Inspect and Replace Front Wheel Bearings................763
    Tighten Bolts-Rear Axle................765
  Group 15: 3-Point Hitch................751
    Specifications................840
    Inspect and Repair Fixed Draft Links................768
    Inspect and Repair Lift Link................769
    Inspect and Repair Adjustable Lift Link................771
    Inspect and Repair Center Link................773
    Remove and Install Wagon Hitch and Support................775
Section 90: Operator Station Repair................776
  Group 05: Seat and Support................776
    Specifications................840
    Remove and Install Seat and Support................779
  Group 10: ROPS................776
    Specifications................840
    Remove and Install ROPS................783
  Group 15: Operator Platform................776
    Specifications................840
    Remove and Install Right-Side Platform................788
    Remove and Install Left-Side Platform and Step................790
  Group 20: Fenders................776
    Remove and Install Fenders................793
Section 210: Operational Checkout Procedures................794
  Group 10: Operational Checkout Procedures................794
    Operational Checkout Procedure Information................796
    Engine Oil Level and Condition Check................797
    Coolant Level and Condition Check................798
    Transmission and Hydraulic Oil Check................799
    Fan and Belt Check................800
    Fuel System Check................801
    Air Intake System Check................802
    Electrical System Check................803
    Hydraulic System Check................805
    Indicator Lamps Check................807
    Engine Start Check................808
    Transmission Park position Start Check................809
    Engine Fast and Slow Idle Operation................810
    Power Steering Check................811
    Differential Lock Check................812
    Clutch Check................813
    Transmission Shift Check................814
    Range Lever Shift Check................815
    Brake Check................817
    Rockshaft Check................818
    Selective Control Valve Check................820
    Miscellaneous Checks................822
Section 220: Engine Operation, Tests and Adjustments................823
  Group 05: Component Location................823
    Component Location Information................1179
    Engine External Components-Left-Hand Side................827
    Engine External Components-Right-Hand Side................829
  Group 10: Theory of Operation................823
    Theory of Operation Information................1183
    Engine Lubrication System................833
    Engine Cooling System Operation................837
  Group 15: Diagnosis, Tests and Adjustments................823
    Specifications................840
    Essential Tools................841
    Diagnostic Information................1207
    Engine Turns Over But Will Not Start or Starts Hard................843
    Engine Runs Irregularly or Stalls Frequently................844
    Engine Runs Rough................845
    Engine Low Power................846
    Engine Smokes-Black or Grey................848
    Engine Smokes Excessively-White................849
    Engine Uses Excess Fuel................850
    Engine Has Excess Noise or Vibration................851
    Engine Uses Excess Oil or Smokes Blue................852
    Engine Has Low Oil Pressure................853
    Engine Coolant Operating Temperature Incorrect................854
    Oil In Coolant or Coolant in Oil................855
    Radiator Bubble Test................856
    Cooling System Test................859
    Radiator Cap Pressure Test................860
    Engine Oil Pressure Test................861
    Cylinder Compression Pressure Test................863
    Throttle Lever Adjustment................865
    Fuel Injection Pump Setting................866
    Idle Speed Adjustment................870
    Valve Clearance Adjustment................871
    Fan/Alternator Drive Belt Adjustment................873
    Bleeding Fuel System................875
    Bleed Fuel System At Fuel Injection Nozzles................876
Section 230: Fuel/Air Operation, Test and Adjustments................877
  Group 05: Component Location................877
    Component Location Information................1179
    Fuel System Components................880
    Air Intake System Components................882
  Group 10: Theory of Operation................877
    Theory of Operation Information................1183
    Fuel System Operation................885
    Fuel Filter Pump Operation................887
    Fuel Injection Nozzle Operation................889
    Fuel Transfer (Feed) Pump Operation................892
    In-Line Fuel Injection Pump Operation................894
    Governor Operation (In-Line Pump)................896
    Air Intake System Operation................898
  Group 15: Diagnosis, Tests and Adjustments................877
    Diagnostic Information................1207
    Fuel/Air Diagnosis, Tests and Adjustments................902
Section 240: Electrical System Operation, Tests Section 240: Electrical System Operation, Tests & Adjust{pgNO}903 Adjust................903
  Group 05: Component Location................903
    Component Location Information................1179
    Engine Electrical Components-Right Hand Side................908
    Engine Electrical Components-Left Hand Side................909
    Dash And Center Control Console Electrical Components................910
    Tractor Electrical Components................912
  Group 10: Theory of Operation................903
    Theory of Operation Information................1183
    Fuse Block and Fuses................916
    Relays................917
    Starting System Operation-Normal................918
    Starting System Operation-Bypass Attempt................921
    Charging System Operation................924
    Lighting System Operation-Left Turn Signals And Warn Lights................926
    Lighting System Operation-Right Turn Signals And Warn Lights................930
    Lighting System Operation-Warning Lights................933
    Lighting System Operation-Tail Lights................935
    Lighting System Operation-Headlights and Instrument Lights................937
    Instrument Panel System Operation-Tachometer/Hour Meter................939
    Instrument Panel System Operation-Fuel Gauge................941
    Instrument Panel System Operation-Temperature Gauge................943
    Air Filter Restriction Indicator Operation................945
    7-Pin Trailer Outlet Connector Operation................903
    Horn Operation................949
    Rear Work Light................950
  Group 15: Diagnosis, Test and Adjust................903
    Diagnostic Information................1207
    Wire Color Chart................954
    Starting System Test Points-Normal Operation................956
    Starting System Test Points-Bypass Attempt................963
    Charging System Test Points................968
    Lighting System Test Points-Turn Signals And Enhanced Tail Lights................973
    Lighting System Test Points-Warning Lights................978
    Lighting System Test Points-Rear Flood Light................982
    Lighting System Test Points-Headlights and Instrument Lights................985
    Instrument Panel System Test Points-Tachometer/Hourmeter................993
    Instrument Panel System Test Points-Fuel Gauge................998
    Instrument Panel System Test Points-Temperature Gauge................1002
    Instrument Panel System Test Points-Oil Pressure Gauge................1007
    Air Filter Restriction Test Points................1012
    Optional Horn Test Points................1017
    Accessory Relay and Trailer Connector Test Points................1020
    Battery Voltage and Specific Gravity Tests................1026
    Charge Battery................1028
    Battery Load Test................1030
    Starter AMP Draw/RPM Test................1032
    Starter No-Load AMP Draw/RPM Test................1034
    Alternator/Regulator Test................1036
    Starter Solenoid Test................1038
    Starter Relay Test................1039
    Key Switch Test................1040
    Plug-In Relay Test................1042
    Mini Plug-In Relay................1044
    Diode Pack Test................1046
    Fuse Test................1048
    Park position Start Switch Test................1049
    PTO Switch Test................1050
    PTO Seat Switch Test................1051
    Light Switch Test................1052
    Turn Signal Controller Test................1054
    Fuel Shut-Off Solenoid Test................1055
  Group 20: Wiring Schematics................904
    Schematic Information................1057
    Component Identification Table................1058
    Electrical Schematic Legend................1063
    Electrical Schematic Legend................1063
Section 250: Power Train Operation, Tests and Adjustments................1066
  Group 05: Component Location-CollarShift Transmission................1066
    Component Location Information................1179
    Power Train Components-(CollarShift )................1070
    Clutch Components-dual................1071
    Transmission Components-CollarShift................1073
    Final Drive Components................1075
    Rear PTO Components................1076
  Group 10: Theory of Operation-CollarShift Transmission................1066
    Theory of Operation Information................1183
    Clutch Operation-Dual Clutch................1079
    Transmission Lubrication System................1087
    CollarShift Transmission-Gear Shift Power Flow................1089
    CollarShift Transmission-Range Shift Power Flow................1091
    Rear PTO Operation................1094
    Rear PTO Operation................1094
    Differential Power Flow................1096
    Differential Power Flow................1096
    Differential Lock Operation................1098
    Differential Lock Operation................1098
    Final Drive Operation................1099
  Group 15: Diagnosis, Tests, and Adjustments-CS Transmission................1066
    Diagnostic Information................1207
    Isolate the Problem Area................1103
    Traction Clutch Slips................1105
    Traction Clutch Dragging................1106
    Traction Clutch Does Not Engage................1107
    Traction Clutch Grabs................1108
    Traction Clutch Squeaks................1109
    Traction Clutch Does Not Release................1110
    Traction Clutch Chatters................1111
    Traction Clutch Rattles................1112
    Traction Clutch Engagement Is Noisy................1113
    Excessive Vibration in Traction Clutch................1114
    Clutch Pedal Does Not Return................1115
    Clutch Pedal Loose................1116
    Clutch Pedal Pulsates................1117
    Jerky or Rough Transmission of Power................1118
    Low Transmission Oil Level (Excessive Oil Leakage)................1119
    Gears Clash, Shift Hard, or Will Not Engage................1120
    Two Speeds Engage Together................1121
    Transmission Will Not Stay in Gear................1122
    Transmission Noisy................1123
    PTO Noisy................1124
    PTO Hard to Engage................1125
    PTO Will Not Operate................1126
    PTO Will Not Stay Engaged................1127
    Excessive Differential Noise................1128
    Differential Does Not Work................1129
    No Differential Lock................1130
    Differential Chatters................1131
    Axle Noise................1132
    Axle Shaft Will Not Turn................1133
    Check and Adjust Clutch Pedal Free Play- Collershift................1134
    Adjusting PTO Clutch Lever Linkage................1136
Section 260: Steering and Brake Operation, Test Section 260: Steering and Brake Operation, Test & Adjustments{pgNO}1138 Adjustments................1138
  Group 05: Component Location................1138
    Component Location Information................1179
    Steering System Components................1141
    Brake System Components................1143
  Group 10: Theory of Operation................1138
    Theory of Operation Information................1183
    Steering System Operation................1147
    Steering valve Operation-Park position and Manual Turning................1149
    Steering valve Operation-Power Turning................1151
    Brake System Operation................1153
    Brake valve Operation................1155
  Group 15: Diagnosis, Tests and Adjustments................1138
    Diagnostic Information................1207
    Isolate the Problem-Steering System................1161
    Steering Sluggish or Loss of Steering................1162
    Isolate the Problem-Brakes................1163
    Excessive Brake Pedal Leak-Down................1164
    Excessive Brake Chatter................1165
    Steering Pump Flow Test................1220
    Steering valve Relief Test................1168
    Steering Cylinder Leakage Test................1169
    Steering valve Leakage Test................1170
    Adjusting Toe-In................1172
    Brake Pedal Adjustment................1173
    Bleed Brake System................1175
Section 270: Hydraulic System Operation, Test and Adjustments................1176
  Group 05: Component Location................1176
    Component Location Information................1179
    Hydraulic System Components................1180
  Group 10: Theory of Operation................1176
    Theory of Operation Information................1183
    Hydraulic System Operation................1184
    Hydraulic Filter Operation................1187
    Hydraulic Pump Operation................1189
    Rockshaft Control valve Operation-Park Position................1191
    Rockshaft Control valve Operation-Raise Position................1193
    Rockshaft Control valve Operation-Lower Position................1195
    Surge (Safety) Relief valve Operation................1197
    Rate-of-Drop valve (Implement Lock) Operation................1199
    Functioning of Position Control................1201
    Functioning of Draft Control................1203
    Combined Functioning of Position and Draft Control................1205
  Group 15: Diagnosis................1176
    Diagnostic Information................1207
    Preliminary Hydraulic System Inspection................1208
    Entire Hydraulic System Fails to Function/No Hydraulic Pump Output................1209
    Insufficient Pump Delivery................1210
    Hydraulic Functions Too Slow................1211
    Excessive Pump Pressure................1212
    Slow Hydraulic Pump Response................1213
    Excessive Pump Noise During Operation................1214
    Rockshaft Does Not Lift or Lifts Slowly................1215
    Rockshaft Does Not Lower or Lowers Slowly................1216
    Park position Position Unstable, Rockshaft Drops after Engine Shut Down................1217
  Group 20: Hydraulic Tests - Without SCV................1176
    Hydraulic System Tests................1219
    Pump Flow Test................1220
    MITA Rockshaft Main Relief Valve Test................1222
    JD Rockshaft Main Relief Valve Test................1224
  Group 25: Hydraulic Tests-With SCV................1177
    Hydraulic System Tests-With SCV................1228
    Pump Flow Test-With SCV................1230
    Main Relief Valve Test-With SCV................1232
    SCV Leakage Test................1234
  Group 30: Hydraulic Tests - All................1177
    MITA Rockshaft Leakage Test................1238
    JD Rockshaft Leakage Test................1240
    Rockshaft Lift Cycle Test................1242
  Group 35: Adjustments - MITA Rockshaft................1177
    Rockshaft Sensing Lever Friction Adjustment................1245
    Control of Assembly of Reaction Spring................1246
    Measurement Control of Push rod................1248
    Adjustment of Position Control Lever................1249
    Adjustment Of Draft Control Lever................1250
  Group 40: Adjustments - JD Rockshaft................1177
    Rockshaft Lever Friction Adjustment................1252
    Rockshaft Position-Sensing Feedback Linkage Adjustment................1253
    Rockshaft Draft-Sensing Feedback Linkage Adjustment................1257
  Group 21: Hydraulic Schematics................1177
    Hydraulic Circuit Symbols................1261

John Deere Tractor 5303 Diagnostic and Repair Service Manual (TM4827)