Komatsu SK1020-5NA and SK1020-5N Skid Steer Loader Workshop Repair Service Manual PDF - MKMTSSK1020NA.zip
A full workshop service and repair manual featuring Electrical Wiring Diagrams for the Komatsu Skid Steer Loader SK1020-5NA and SK1020-5N, containing every technical detail needed to service, troubleshoot, fix, and rebuild the machine the way professional technicians do.
The Komatsu Skid Steer Loader SK1020-5NA, SK1020-5N workshop service repair manual covers:
* 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: 621 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
CEAM013902 - Skid Steer Loader SK1020-5NA, SK1020-5N Operation & Maintenance Manual.pdf
CEBM013902 - Skid Steer Loader SK1020-5NA, SK1020-5N Shop Manual.pdf
MAIN SECTIONS
CEAM013902 - Skid Steer Loader SK1020-5NA, SK1020-5N Operation & Maintenance Manual.....2
INTRODUCTION.....4
FOREWORD.....5
SAFETY INFORMATION.....6
APPROVED AND NON-APPROVED USES.....7
Approved.....7
Non-approved.....7
PRODUCT INFORMATION.....8
Main Features.....8
Break-in Period.....8
Synthetic Biodegradable Oil Types.....8
PRODUCT IDENTIFICATION.....9
Machine Serial Number.....9
Machine Identification Plate.....9
Engine Serial Number and Emission Plate.....10
Travel Reduction Gear Serial Number.....10
Cab Serial Number.....10
Excavator Identification Plate.....10
SERIAL NUMBERS AND DISTRIBUTOR INFORMATION.....11
Model: SK1020-5N or SK1020-5NA.....11
CONTENTS.....12
SAFETY.....20
SAFETY LABELS.....21
Example of Safety Label Using Words.....21
Example of Safety Label Using Pictogram.....21
SAFETY AND WARNING DECALS.....22
Location of the Safety Decals.....22
Location of the Pictogram Decals.....40
Decals Defined.....44
Vibrations to Which the Operator is Subjected.....46
SAFETY RULES AND PRECAUTIONS.....46
General Safety Rules.....46
General Safety at Job Site.....46
Working on Loose Ground.....47
Safety Features.....47
Personal Protective Equipment.....47
Fire Extinguisher and First Aid Kit.....48
Checking the Rearview Mirrors (If Installed).....48
Mounting and Dismounting.....48
Precautions for ROPS.....49
Unauthorized Modification.....49
Leaving the Operators Seat.....50
Fire Prevention for Fuel and Oil.....51
Preventing Burns.....51
Dust Hazard Precautions.....52
Crush or Pinch Point Dangers.....52
Fire Extinguisher and First Aid Kit.....52
Precautions Concerning the Equipment.....53
Precautions for Attachments.....53
PRECAUTIONS BEFORE STARTING THE ENGINE.....53
Safety on the Work Site.....53
Seat Belt Inspection.....54
Fire Prevention.....55
Precautions for the Operators Cab.....55
Room Ventilation.....55
Precautions for the Lights.....55
Cleaning the Windows and the Rearview Mirrors - Checking the Windshield Wiper Blades.....55
PRECAUTIONS TO BE TAKEN WHEN WORKING.....56
Starting the Engine.....56
Rules for Traveling in Reverse.....56
Moving the Machine.....56
Working on Slopes.....57
Preventing Electrocution.....58
Visibility.....59
Working on Icy or Snow-covered Surfaces.....59
Preventing Damage Caused by the Work Equipment.....59
Working on Loose Ground.....59
Parking the Machine.....60
TRANSPORTING THE MACHINE.....61
Loading and Unloading the Machine.....61
The Route.....61
BATTERY.....62
Safety Precautions.....62
Removing Battery Cables.....63
Booster Cables.....63
PRECAUTIONS FOR EMERGENCY RECOVERY.....64
PRECAUTIONS DURING MAINTENANCE.....66
Warning Tags.....66
Tools.....66
Personnel.....67
Equipment Storage.....67
Working Under the Machine.....67
Keeping the Machine Clean.....67
Engine Operation During Maintenance.....68
Critical Parts.....68
Stop Engine Before Maintenance Operation or Inspection.....68
Rules for Refueling the Machine.....69
Cooling System Precautions.....69
Using Lamps.....69
Electrical Precautions.....70
Precautions Concerning the Starter.....70
Precautions Concerning High-Pressure Hoses.....71
Precautions for Working on High-Pressure Systems.....71
Precautions for Maintenance Work Involving High Temperatures and Pressures.....71
Rotating Parts.....71
Disposal of Waste Materials.....72
Inflating Tires.....72
Hydraulic Environmental Ester Synthetic (HEES) Oil.....72
OPERATION.....74
SAFETY LOCKS.....75
Loader Arm Support.....75
Backhoe Locks.....77
Cold Planer Lock.....79
GENERAL VIEWS.....80
Front View of Machine.....80
Rear View of Machine.....81
Inside View of Cab.....82
INSTRUMENTS AND CONTROLS.....84
Instruments.....84
Hour Meter.....84
Engine Coolant Temperature Indicator.....85
Fuel Level Indicator.....85
Indicator Lights.....86
Alternator Warning Light.....86
Preheating Warning Light.....87
Engine Oil Pressure Warning Light.....87
Air Cleaner Clogging Warning Light.....87
Hydraulic Oil Filter Clogging Warning Light.....87
Parking Brake Warning Light.....88
Speed Increase Indicator Light.....88
Floating Device Indicator Light.....88
Direction Indicator Light (If Equipped).....88
Working Light Indicator Light.....89
Safety Device Functionality Control Unit.....89
Switches and Push Buttons.....91
Parking Brake Push Button.....92
Rotating Beacon Light Switch (If Equipped).....92
Left Stabilizer Button (If Installed).....93
Right Stabilizer Button (If Installed).....93
Working Light Switch.....93
Emergency (Hazard) Switch (If Installed).....93
Parking Light and Low Beam Switch (If Installed).....94
Direction Indicator Switch (If Installed).....94
Starting Switch.....94
Horn.....94
Front Equipment Super Flow Hydraulic System Momentary Switch (If Installed).....95
Front Equipment Super Flow Hydraulic System Continuous Switch (If Installed).....95
Speed Increase Button.....95
Floating Device Switch.....95
Available for Other Functions.....96
Audible Alarm.....96
12V Electric Outlet.....97
Battery Disconnect Switch.....97
Machine Controls.....98
Safety Bars.....100
ISO Pattern Control System.....101
Left PPC Control Joystick (Travel and Steering).....101
Right PPC Control Joystick (Loader Arm and Bucket).....102
Optional Pattern Control System.....104
Left PPC Control Joystick (Left Wheel Travel, Steering, and Loader Arm Control).....104
Right PPC Control Joystick (Right Wheel Travel, Steering and Bucket Control).....106
Auxiliary Hydraulic Kit Control Pedal (If Installed).....108
Foot Accelerator.....109
Hand Accelerator.....109
Parking Brake.....110
Equipment Control Locking Lever (If Installed).....110
Standard Flow Hydraulic System Control (Two Lines).....111
Super Flow Hydraulic System Control (Five Lines).....112
Speed Increase Control.....113
Floating Device Control.....113
Pattern Shifting Control.....114
Right Stabilizer Control.....116
Left Stabilizer Control.....116
Optional Electrical Connections.....116
Fuses and Relays.....117
Machine Function Fuses.....117
Standard Version.....117
Version with Optional Connections.....118
Main Fuse.....118
Relays.....119
GUARDS AND OPERATORS SEAT.....121
Engine Hood.....121
Rear Panel.....122
Cab.....123
Tilting the Cab.....124
Standard Seat.....126
Suspension Seat.....126
Seat Belt.....127
Emergency Exit.....127
Technical Documentation Case.....128
Fire Extinguisher.....128
First Aid Kit.....128
OPERATING THE MACHINE.....129
Checks Before Starting the Engine.....129
Visual Checks.....129
Daily Checks.....129
Operational Checks.....130
Starting the Engine.....131
Starting with a Warm Engine or in Warm Climates.....131
Starting in Cold Weather or in Cold Climates.....132
Warming the Engine.....133
Heating the Hydraulic Oil.....133
Hydraulic Oil Travel Circuit Warm-up.....133
Moving the Machine (ISO Pattern Control System).....134
Steering (Changing Direction).....136
How to Move the Machine (Optional Pattern Control System).....138
Steering (Changing Direction).....139
Hand and Foot Control System.....141
Machine Controls.....141
Travel and Steering Control Joysticks.....142
Work Equipment Control Pedals (Loader Arm and Bucket).....144
Auxiliary Hydraulic Control Joystick.....147
How to Move the Machine (Hand and Foot Control System).....150
Steering (Changing Direction).....151
Moving on Slopes.....153
Maximum Immersion Depth.....154
PARKING THE MACHINE.....155
Parking on Level Ground.....155
Parking on Slopes.....156
STOPPING THE ENGINE.....157
TRANSPORTING THE MACHINE.....158
Loading and Unloading.....158
Transport.....159
HOW TO LIFT THE MACHINE.....159
Front Lifting Eye.....160
Rear Lifting Eye.....161
Lifting the Machine.....161
COLD WEATHER PRECAUTIONS.....162
Fuel and Lubricants.....162
Coolant.....162
Hydraulic Oil Travel Circuit Warm-up.....162
Battery.....163
Other Precautions.....163
Precautions at the End of Work.....163
WARM WEATHER PRECAUTIONS.....164
OPERATING THE WORK EQUIPMENT.....164
Lowering the Equipment in Case of Machine Failure.....164
Organizing the Work Area.....165
Loading Heaped and Level Material.....165
Loading Operations on Slopes.....166
Digging Method.....167
Changing the Bucket or Attachment with Standard Quick Coupler.....168
Removing the Bucket or Attachment.....169
Installing the Bucket or Attachment.....170
Checking the Position of the Locking Pins.....171
Adjusting the Locking Pins.....172
Long Periods of Inactivity.....173
Before the Period of Inactivity.....173
During the Period of Inactivity.....173
After the Period of Inactivity.....174
TROUBLESHOOTING.....174
How to Move the Machine.....174
Fuel is Completely Depleted.....174
Discharged Battery.....175
Charging the Battery.....176
Starting the Engine with Jumper Cables.....176
Other Troubles.....178
Electrical Circuit.....178
Hydraulic System.....179
Engine.....180
Hydrostatic Transmission.....181
MAINTENANCE.....184
GUIDE TO MAINTENANCE.....185
MAINTENANCE NOTES.....186
Notes Regarding the Engine.....186
Engine Oil.....186
Coolant.....187
Fuel.....187
Notes Regarding the Hydraulic System.....187
Notes Regarding the Electrical System.....187
Notes Regarding Lubrication.....188
Wear Parts List.....188
FUEL, COOLANT AND LUBRICANTS.....189
Selection According to the Ambient Temperature.....189
Grease.....189
APPROVED SYNTHETIC BIODEGRADABLE LUBRICANTS TYPE HEES.....192
LUBRICATION DIAGRAMS.....194
General.....194
PERIODIC REPLACEMENT OF COMPONENTS FOR SAFETY.....195
Critical Parts for Safety.....196
Fuel Supply System.....196
Standard Flow Hydraulic System.....197
Super Flow Hydraulic System.....199
Operators Safety.....201
TIGHTENING TORQUE.....202
Standard Torque for Bolts and Nuts.....202
Specific Torques.....202
MAINTENANCE PLAN.....203
When Required.....205
Air Cleaner Cartridge.....205
Tire Rotation.....206
Draining the Fuel Tank.....207
Releasing the Parking Brake.....208