John Deere Tractors LA105, LA115, LA125, LA135, LA145, LA155, LA165 and LA175 Diagnosis and Repair Service Manual (TM103419)
Complete All Inclusive Technical Manual with electrical wiring diagrams for John Deere Tractors LA105, LA115, LA125, LA135, LA145, LA155, LA165 and LA175, with workshop information to maintain, diagnose, repair, and rebuild like professional mechanics (Diagnosis, Operation, Tests, Repair, Service, Troubleshooting).
John Deere Tractors LA105, LA115, LA125, LA135, LA145, LA155, LA165 and LA175 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.
tm103419 - John Deere Tractors LA105, LA115, LA125, LA135, LA145, LA155, LA165 and LA175 Technical Manual.pdf
tm103419 - John Deere Tractors LA105, LA115, LA125, LA135, LA145, LA155, LA165 and LA175 Technical Manual.epub
PRODUCT DETAILS:
Total Pages: 848 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
TABLE OF CONTENTS
TABLE OF CONTENTS....1
Section : Safety....15
Group : Safety....15
Recognize Safety Information....17
Understand Signal Words....18
Special Messages....19
Replace Safety Signs....20
Handle Fluids Safely - Avoid Fires....21
Use Care In Handling and Servicing Batteries....22
Wear Protective Clothing....23
Parking Safely....24
Service Machines Safely....25
Use Proper Tools....26
Work in Clean Area....27
Support Machine Properly and Use Proper Lifting Equipment....28
Using High Pressure Washers....29
Illuminate Work Area Safely....30
Work In Ventilated Area....31
Warning: California Proposition 65 Warning....32
Remove Paint Before Welding or Heating....33
Avoid Harmful Asbestos Dust....34
Service Tires Safely....35
Avoid Injury From Rotating Blades, Augers and Shafts....36
Handle Chemical Products Safely....37
Dispose of Waste Properly....38
Live with Safety....39
Section : Specifications and Information....40
Group : Fastener Torques....40
Metric Fastener Torque Values....43
Inch Fastener Torque Values....45
Metric Fastener Torque Value - Grade 7....47
Group : General Information....40
Gasoline....50
Gasoline Storage....52
4 - Cycle Gasoline Engine Oil....53
Break-In Engine Oil - 4-Cycle Gasoline....54
Alternative Lubricants....55
Synthetic Lubricants....56
Lubricant Storage....57
Mixing of Lubricants....58
Grease....59
Hydrostatic Transmission Oil....60
Group : Serial Number Locations....40
Machine Product Identification Number....62
Engine Serial Number....63
Transaxle Serial Number....65
Section : Engine - Gas....66
Group : Specifications....587
General Specifications....710
Tests and Adjustments Specifications....587
Repair Specifications....827
Torque Specifications (Alphabetical)....206
Special or Essential Tools....208
Other Materials....590
Group : Diagnostics....66
Starting Problems....78
Group : Tests and Adjustments....66
Throttle/Choke Cable Adjustment....216
Fuel Shutoff Solenoid Test....501
Governor Adjustment - Static....84
Governor Adjustment - Dynamic....86
Governed Idle Adjustment....88
Slow Idle Carburetor Adjustment....89
Valve Clearance Adjustment....230
Armature Air Gap Adjustment....504
Crankcase Vacuum Test....223
Cylinder Leakdown Test....224
Group : Repair....66
Upper Blower Housing Removal and Installation....235
Air Cleaner Service....104
Carburetor Removal and Installation....106
Carburetor Disassembly....110
Carburetor Inspection....116
Carburetor Assembly....117
Breather Valve Service....311
Engine Removal....254
Engine Installation....258
Cylinder Head Removal and Installation....263
Cylinder Head Inspection and Repair....271
Valve Removal....273
Valves Reface....142
Valves Installation....144
Governor Removal and Installation....145
Piston, Rings and Rod....147
Piston Inspection....283
Connecting Rod Inspection....284
Cylinder Bore Inspection....291
Cylinder Bore Honing....293
Cylinder Bore Cleaning....294
Resizing Cylinder Bore....295
Flywheel Removal and Installation....298
Crankshaft and Cam Gear Removal....165
Balance System Removal and Installation....169
Crankshaft/Cam Gear Installation....172
Magneto Bearing Inspection....307
Cam Gear Bearing Inspection....177
PTO Journal Inspection and Seal Replacement....178
Starting Motor Removal and Installation....318
Starting Motor Disassembly....320
Starting Motor Assembly....327
Starting Motor Pinion Gear Replacement....333
Section : Engine - V-Twin....198
Group : Specifications....587
Engine Specifications....587
Tests and Adjustments Specifications....587
Repair Specifications....827
Torque Specifications (Alphabetical)....206
Special or Essential Tools....208
Other Materials....590
Group : Diagnostics....198
Engine Will Not Start....212
Group : Test and Adjustments....198
Throttle Cable Adjustment....215
Choke Cable Adjustment....216
Throttle/Choke Cable Adjustment - All Models....217
Fuel Shutoff Solenoid Test....501
Governor Static Adjustment....220
Governor Dynamic Adjustment....221
Crankcase Vacuum Test....223
Cylinder Leakdown Test....224
Cylinder Balance Test....227
Ignition Armature Air Gap Adjustment....504
Valve Clearance Adjustment....230
Engine Oil Pressure Test....232
Group : Repair....198
Upper Blower Housing Removal and Installation....235
Air Cleaner Removal and Installation....236
Two Barrel Carburetor....237
Two Barrel Carburetor Repair....240
Engine Removal....254
Engine Installation....258
Cylinder Air Guides Removal and Installation....262
Cylinder Head Removal and Installation....263
Cylinder Head Inspection and Repair....271
Valve Removal....273
Valve Inspection and Repair....275
Valves Lap....277
Valve Installation....278
Pistons, Rings and Rods Removal and Installation....279
Piston Inspection....283
Connecting Rod Inspection....284
Assemble Piston and Connecting Rod....286
Cylinder Bore Inspection....291
Cylinder Bore Honing....293
Cylinder Bore Cleaning....294
Resizing Cylinder Bore....295
Flywheel Removal and Installation....298
Crankshaft and Camshaft Removal, Inspection and Installation....300
Magneto Bearing Inspection....307
PTO and Cam Bearing Inspection....310
Breather Valve Service....311
Oil Pump Removal and Installation....313
Starting Motor Removal and Installation....318
Starting Motor Disassembly....320
Starting Motor Assembly....327
Starting Motor Pinion Gear Replacement....333
Section : Electrical....352
Group : General Information....338
Reading Electrical Schematics....343
Theory Of Operation Information....345
Diagnostic Information....346
Wire Color Abbreviation Chart....347
Common Circuit Tests....348
Conductors For 12 Volt Circuits....350
Group : Specifications....587
Electrical....352
Group : Component Location....338
Component Location - LA105/115/125/135....354
Component Location - LA145/155/165/175....355
Group : Schematics and Harnesses....338
Main Wiring Schematic LA105/115/125/135....359
Schematic and Wiring Harness Legend - LA105/115/125/135....361
W1 and W2 Main Wiring Harnesses LA105/115/125/135....363
W1 Front Main Wire Harness Color Codes - LA105/115/125/135....365
W2 Rear Main Wire Harness Color Codes - LA105/115/125/135....366
Schematic And Wiring Harness Legend - LA145/155/165/175....367
Main Wiring Schematic - LA145/155/165/175....369
W1 and W2 Wiring Harness LA145/155/165/175....371
W1 Front Main Wire Harness Color Codes - LA145/155/165/175....373
W2 Rear Main Wire Harness Color Codes - LA145/155/165/175....374
W3 and W4 Jumper Wiring Harnesses - All Models....375
W5 Headlight Wiring Harness - All Models....376
W6 Engine Wiring Harness - LA105/115/125/....377
W6 Engine Wiring Harness - LA135/145/155/165/175....378
Stator and Voltage Regulator/Rectifier - LA105/115....379
Stator and Voltage Regulator/Rectifier - LA145/155/165/175....380
N1 Voltage Regulator/Rectifier....381
Y2 Fuel Shutoff Solenoid....382
Y3 PTO Clutch - LA145/155/165/175....383
Group : Operation and Diagnostics....339
Power Circuit Operation - LA105/115/125/135....386
Power Circuit Electrical Schematic - LA105/115/125/135....388
Power Circuit Diagnosis - LA105/115/125/135....389
Power Circuit Operation - LA145/155/165/175....398
Power Circuit Electrical Schematic - LA145/155/165/175....400
Power Circuit Diagnosis - LA145/155/165/175....401
Cranking Circuit Operation - All Models....409
Cranking Circuit Electrical Schematic - All Models....410
Cranking Circuit Diagnosis - All Models....411
Ignition and Shutoff Circuit Operation - All Models....417
Ignition and Shutoff Circuit Electrical Schematic - LA105/115/125/135....419
Ignition and Shutoff Circuit Electrical Schematic - LA145/155/165/175....420
Ignition and Shutoff Circuit Diagnosis - All Models....421
Charging Circuit Operation....428
Charging Circuit Electrical Schematic - All Models....429
Charging Circuit Diagnosis - All Models....430
PTO Clutch Circuit Operation - LA145/155/165/175....433
PTO Clutch Circuit Electrical Schematic - LA145/155/165/175....434
PTO Clutch Circuit Diagnosis - LA145/155/165/175....435
PTO with RIO Circuit Operation - LA105/115/125/135....438
PTO with RIO Circuit Schematic - LA105/115/125/135....440
PTO with RIO Circuit Diagnosis - LA105/115/125/135....441
PTO with RIO Circuit Operation - LA145/155/165/175....446
PTO with RIO Circuit Schematic - LA145/155/165/175....448
PTO with RIO Circuit Diagnosis - LA145/155/165/175....449
Headlight Circuit Operation - All Models....454
Headlight Circuit Electrical Schematic - All Models....455
Headlight Circuit Diagnosis - All Models....456
Hour Meter/Service Indicator Circuit Operation....458
Hour Meter/Service Indicator Circuit Schematic - LA105/115/125/135....459
Hour Meter/Service Indicator Circuit Schematic - LA145/155/165/175....460
Hour Meter/Service Indicator Circuit Diagnosis....461
Group : Tests and Adjustments....340
Ground Circuit Tests....465
Battery Voltage and Specific Gravity Tests....466
Charge Battery....469
Battery - Load Test....471
Starting Solenoid Test - All Models....472
Starting Motor Amperage Draw Test - Loaded....473
Starting Motor Amperage Draw Test - No-Load....475
Flywheel Ignition Magnet Test....477
Flywheel Stator Magnets Test....478
Regulated Voltage Test....479
Stator Output Test....480
Regulated Amperage Test....482
Relay Test....484
Key Switch Test....486
PTO/Brake Switch Test....488
PTO Switch Test - LA145/155/165/175....490
Electric PTO Clutch Test - LA145/155/165/175....492
RIO Switch Test....493
RIS Switch Test....494
Seat Switch Test....495
Diode Test - Ignition Coils....497
Spark Test....499
Fuel Shutoff Solenoid Test....501
Hour Meter/Service Indicator Test....503
Armature Air Gap Adjustment....504
Section : Power Train - Gear....505
Group : Specifications....587
General Specifications....710
Torque Specifications....711
Other Materials....590
Group : Component Location....505
Drive Components....511
Forward and Reverse Drive and Linkage....512
Transaxle Components....593
Group : Theory of Operation....505
Clutch Pedal And Belt Traction Drive Operation....518
Transaxle Operation....519
Brake System Operation....522
Group : Diagnostics....505
Gear Transmission Check....529
Troubleshooting....534
Group : Tests and Adjustments....505
Shift Linkage Adjustment....542
Group : Repair....505
Traction Drive Belt Removal and Installation....549
Shift Linkage Removal and Installation....554
Transaxle Removal and Installation....657
Transaxle Disassembly....559
Transaxle Assembly....571
Section : Power Train - Hydrostatic....584
Group : Specifications....587
Specifications....587
Adjustment Specifications....588
Torque Specifications....711
Other Materials....590
Group : Components....584
Transaxle Components....593
Drive Components - LA115, 125, 135, 145, and 155....595
Drive Components - LA165 and 175....596
Forward/Reverse Pedals and Linkage....597
Group : Theory of Operation....584
Traction Drive Belt System....600
Transaxle....601
Forward and Reverse Pedals....602
Freewheel System....603
Brake System....604
Cruise Control....605
Internal Dampening System (IDS)....606
Hydrostatic System Operation....607
Group : Diagnostics....584
Hydrostatic Transmission Check....616
Hydrostatic Transmission Diagnosis....621
Low Power When Hot....622
Will Not Move Forward or Reverse....623
Machine Moves In One Direction Only....625
Machine Does Not Achieve Full Speed....626
Noisy Operation....628
Machine Creeps....629
Erratic Speed....630
Brake Switch Will Not Engage....631
Park Brake Does Not Hold Machine....632
Transaxle Whines When Brake Is Used....633
Group : Tests and Adjustments....585
Traction Drive System Test....636
Neutral Creep Adjustment....638
Transport (Freewheel) Test....640
Transaxle Bleeding....641
Group : Repair....585
Traction Drive Belt Removal and Installation - LA115, 125, 135 and 145....646
Traction Drive Belt Removal and Installation - LA155, 165 and 175....649
Traction Drive Belt Tensioner Removal and Installation....652
Transaxle Removal and Installation....657
Control Pedal Removal and Installation....663
Section : Steering....668
Group : Specifications....587
General Specifications....710
Torque Specifications....711
Group : Component Location....668
Steering System Components....673
Steering System Components - Explode....674
Group : Tests and Adjustments....668
Toe-In Adjustment....676
Group : Repair....668
Steering Shaft and Pedestal Removal and Installation....688
Steering Sector Gear Removal and Installation....699
Front Axle Spindle Replacement....703
Front Axle Removal and Installation....704
Section : Brakes....708
Group : Specifications....587
General Specifications....710
Torque Specifications....711
Group : Component Location....708
Brake System - Gear Transaxle....713
Brake System - Hydro Transaxle....714
Group : Tests and Adjustments....708
Park Brake Test....718
Test Drive....720
Brake Adjustment - Gear....721
Brake Adjustment - Hydro....723
Group : Repair....708
Brake Linkage Removal and Installation - Gear....726
Brake Pedal Assembly Removal and Installation - Gear....728
Brake Removal and Installation - Gear....734
Park Brake Lever and Linkage....737
Brake Linkage Removal and Installation - Hydro....739
Brake Pedal Assembly Removal and Installation - Hydro....741
Section : Attachments....747
Group : Specifications....587
Repair Specifications....827
Group : Component Location....747
Deck Lift Assembly....752
Deck Lift Components....753
42-Inch Mower Deck....754
Idlers and Sheaves - 42-Inch Deck....755
Spindle Cross Section - 42-Inch Deck....757
Engagement - 42-Inch Deck....758
48-Inch Mower Deck....760
Idlers and Sheaves - 48-Inch Deck....761
Spindle Cross Section - 48-Inch Deck....763
54-Inch Mower Deck....764
Idlers and Sheaves - 54-Inch Deck....765
Spindle Cross Section - 54-Inch Deck....767
Group : Diagnostics....747
Mower Drive Checks....775
Mower Deck Troubleshooting....782
Group : Tests and Adjustments....747
Checking Mower Level....790
Adjusting Mower Level....793
Spindle Brake Adjustment - 42-Inch....796
Mower Belt Tension Adjustment - 42-Inch....798
Adjusting Mower Deck Wheels....799
Group : Repair....747
Blade Brake Removal and Installation - 42-Inch....803
Mower Blade Removal and Installation....805
Sharpen and Balance Blades....806
Removing Mower Deck....807
Installing Mower Deck....810
Primary Drive Belt Removal and Installation....813
Spindle Removal and Installation....816
Spindle Disassembly and Assembly - 54-Inch Deck....821
Mower Deck Lift Linkage Removal and Installation....824
Section : Miscellaneous....825
Group : Specifications....587
Repair Specifications....827
Group : Tests and Adjustments....825
Tire Pressure Adjustment....829
Group : Repair....825
Front Wheel Removal and Installation....832
Front Wheel Bushing Removal and Installation....834
Rear Wheel Removal and Installation....835
Hood Removal and Installation....836
Seat and Support Removal and Installation....837
Fenderdeck Removal and Installation....839
Fuel Tank Removal and Installation....845
