Komatsu WB146-5 WB146PS-5 Backhoe Loader Workshop Service Repair Manual PDF - MKMTSWB146.zip
A full factory-style service and repair guide, complete with electrical wiring diagrams, for the Komatsu WB146 Backhoe Loader — packed with the technical data needed to service, troubleshoot, fix, and overhaul the machine the way professional technicians do.
The Komatsu WB146 Backhoe Loader workshop service and repair manual contains:
* 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.
CEAM016604 - Backhoe Loader WB146-5, WB146PS-5 Operation & Maintenance Manual.pdf
CEBM016503 - Backhoe Loader WB146-5 Shop Manual.pdf
PRODUCT DETAILS:
Total Pages: 813 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
CEAM016604 - Backhoe Loader WB146-5, WB146PS-5 Operation & Maintenance Manual...1
COVER...1
INTRODUCTION...3
FOREWORD...4
SAFETY INFORMATION...5
Safety Labels...6
APPROVED AND NON-APPROVED USES...7
Approved Functions...7
Non-approved Functions...7
PRODUCT INFORMATION...8
Main Features...8
Breaking-in the New Machine...8
Synthetic Biodegradable Oil Types...8
PRODUCT IDENTIFICATION...9
Machine Serial Number...9
Machine Identification Plate...9
Engine Serial Number and Emission Label...10
Front Axle Serial Number...10
Rear Axle Serial Number...10
Transmission Serial Number...11
Cab Serial Number...11
Canopy Serial Number...11
SERIAL NUMBERS AND DISTRIBUTOR INFORMATION...12
TABLE OF CONTENTS...13
SAFETY...23
SAFETY AND WARNING DECALS...24
Location of Safety Decals...24
Safety and Warning Decals...27
GENERAL SAFETY RULES AND PRECAUTIONS...35
General Safety Rules...35
If Abnormalities are Found...35
Safety at Job Site...36
Safety Features...36
Clothing and Personal Protective Equipment...36
Keep Machine Clean...37
Fire and Explosion Prevention...37
Fire Caused by Fuel, Oil, Antifreeze, or Window Washer Fluid...37
Fire Caused by Accumulation of Flammable Material...38
Fire Caused by Electric Wiring...38
Fire Caused by Hydraulic Line...38
Explosion Caused by Lighting Equipment...38
Action if Fire Occurs...38
Asbestos Hazard Alert...39
Keep Operator's Cab Clean...39
Room Ventilation...39
Burn Prevention...40
Hot Coolant...40
Hot Oil...40
PRECAUTIONS FOR OPERATION...41
Seat Belt Inspection...41
Leaving the Operator’s Seat...42
Mounting and Dismounting...43
Checking the Rearview Mirrors...43
Crush or Pinch Point Dangers...44
Fire Extinguisher and First Aid Kit...44
Inside Operator’s Compartment...44
Cleaning Windows, Mirrors and Lights...44
Checking the Windshield Wiper Blades and Bulbs...45
Precautions When Using ROPS...45
Unauthorized Modifications...45
Precautions for Attachments...46
Quick Coupler Attachment...46
Large Attachments...46
PRECAUTIONS BEFORE STARTING OPERATIONS...47
Hand Signals...47
Pre-operational Checks...47
Starting Your Work Operations...47
Work Site Hazards...48
Working on Loose or Unstable Ground...48
Visibility...48
Precautions to be Taken When Using Synthetic Biodegradable Oil (HEES)...48
Avoid Dangerous Situations...49
Working Clearances...51
High Voltage Lines...51
RULES FOR ROAD TRAVEL...52
Travel Precautions...52
Rules for Traveling in Reverse...53
Traveling on Snow or Frozen Surfaces...54
Traveling on Slopes...54
Traveling on Loose or Unstable Ground...55
Parking the Machine...56
PRECAUTIONS DURING MAINTENANCE OPERATIONS...57
Warning Tags...57
Equipment Storage...57
Working Under the Machine...58
Using Drop Lamps...58
Keeping the Machine Clean...58
Running the Machine During Maintenance...59
Rules for Refueling the Machine...59
Cooling System Precautions...59
Battery Precautions...60
Hazards...61
Using Booster Cables...62
Starting the Machine with Booster Cables...62
High-Pressure Hoses...63
Safety Handling of High-pressure Hoses...63
Precaution for High Fuel Pressure...63
High-Temperature Areas...63
Rotating Parts...64
Disposal of Waste Materials...64
Inflating Tires...64
Accumulator...65
Critical Parts...65
OPERATION...67
GENERAL VIEW OF MACHINE...68
Front View of Machine...68
Rear View of Machine...69
OPERATION CONTROLS...70
In the Cab (Joystick Controls)...70
Steering Column Switches...71
Directional Control Switch (Standard)...71
Speed Selector Switch (PS Model Only)...71
Multifunctional Switch...71
Front Instrument Panel and Controls...72
Side Instrument and Controls...76
Cab Switches and Electric Accessories...84
Front Work Light Switch...84
Rear Work Light Switch...84
Rear Windshield Wiper Switch...84
Rear Windshield Washer Switch...84
Overhead Lamp (Dome)...85
Power Outlet...85
Power Outlet Socket...85
Front End Loader Controls...86
Loader Declutch Control Button...86
Multipurpose Bucket Open Button...86
Differential Lock Button...87
Multipurpose Bucket Close Button...87
Front Loader Speed Control Button...87
Kick Down Button (Power Shift Only)...88
Gear Shift Lever Controls (Power Shuttle Only)...88
Declutch Button...88
Changing Speed Ranges...88
PS Model Control Lever...89
Directional Control Lever...89
Brakes, Parking Brake, Accelerator, and Throttle Control...90
Brake Pedals...90
Parking Brake...91
Accelerator Pedal...91
Hand Throttle...92
CAB ENVIRONMENT AND SAFETY EQUIPMENT...93
Heating and Ventilation System...93
Air Conditioning (if equipped)...93
Heating System...93
Seat and Seat Belt...95
Seat...95
Seat Belt...95
Safety Equipment and Storage Areas...96
Fire Extinguisher...96
First Aid Kit...96
Document Storage...96
Storage Compartment...96
CAB AND GUARDS...98
Cab...98
Doors and Windows...98
Guards...100
Driver’s Overhead Guard...100
Engine Hood...101
ELECTRICAL...101
Switches and Extra Accessories...101
Battery Disconnect Switch...101
Adapter for Radio (if provided)...102
Fuses and Relays...102
Fuse and Relay Panel Location...102
Fuse and Relay Panel Layout...103
Fuses...103
Relays...105
Heating and Air Conditioning Fuses and Relays...106
Fuses...106
Relays...106
OPERATING THE MACHINE...107
Checking the Fuel Supply...107
Starting the Engine...107
Starting the Engine in Cold Weather...108
Warming Up the Machine...110
Shutting Down the Engine...110
OPERATING THE FRONT END LOADER AND BACKHOE...111
Pre-operational Checks...111
Perform a Walk Around Check of Your Machine...111
Under the Hood...112
In the Operator’s Cab...112
Start-up Checks...112
STARTING YOUR WORK...113
Avoid Dangerous Situations...113
Working Clearances...116
High Voltage Lines...116
Operating the Front End Loader...117
Control Lever Positions...118
Multipurpose Bucket Opening Push Button...118
Multipurpose Bucket Close Push Button...118
Performing Loading Operations...119
Bucket Position Indicator...119
Organizing Your Work Area...119
Loading Heaped Material...119
Loading a Truck Bed or Trailer...121
Working on Slopes with a Loaded Bucket...121
Changing the Front Bucket...122
Operating the Backhoe...123
PPC Controls...123
Adjusting the Backhoe Controls...123
Adjusting Joystick Positions...124
Adjusting Wrist Supports...125
Adjusting Stow Position (Cab Only)...125
Unlocking the Backhoe...126
Pattern Change Control Lever...127
ISO Backhoe Controls...128
Komatsu Backhoe Controls...129
Positioning the Machine...130
Digging Methods...131
Changing the Backhoe Bucket...132
Adjusting the Bucket...132
SAFETY LOCK USAGE...133
Front End Loader Cylinder Lock...133
Backhoe Locks...135
TRAVELING WITH THE MACHINE...136
Traveling...136
Traveling on Slopes...137
Traveling or Working in Swampy or Wet Areas...138
PARKING THE MACHINE...139
Parking for Short Periods of Time...139
Parking for Long Periods of Time...139
Parking on an Incline...140
TRANSPORTING THE MACHINE...141
Loading and Securing the Machine...141
LIFTING THE MACHINE...142
LIFTING POSITION MARKS...142
LIFTING PROCEDURE...143
EMERGENCY RECOVERY...145
How to Move the Machine...145
PRECAUTIONS DURING SEASONAL CHANGES...146
Cold Seasons...146
Fuel and Lubricants...146
Coolant...146
Battery...147
Warm Seasons...147
TROUBLESHOOTING...148
Battery...148
Servicing...148
Removal and Installation...149
Starting the Engine with Booster Cables...150
Accessing the Battery...150
Connecting the Booster Cables...150
Starting the Engine...151
Disconnecting the Booster Cables...151
Electrical Circuits...152
Hydraulic System...152
Braking System...153
Transmission...153
Engine...154
MAINTENANCE...155
MAINTENANCE INFORMATION...156
Maintenance Notes...157
Engine Maintenance...158
Engine Oil...158
Coolant...158
Fuel...158
Hydraulic System Maintenance...158
Carrying Out KOWA (Komatsu Oil Wear Analysis)...159
KOWA Analysis Items...159
Electrical System Maintenance...160
Lubrication...160
WEAR PARTS LIST...161
FUEL, COOLANT, AND LUBRICANTS...162
Proper Selection According to the Ambient Temperature...162
Grease...163
Fuel...163
APPROVED SYNTHETIC LUBRICANTS (HEES)...164
LUBRICATION DIAGRAMS...165
General View...165
Multipurpose Bucket and Pallet Forks...166
Telescopic Arm...167
TORQUE SPECIFICATIONS...168
Torque List...168
Torque of Bolts...168
Torque of Hose Nuts...169
Torque of Split Flange Bolts...169
Torque for Flared Nuts...170
Torque for O-Ring Boss Piping Joints...170
Torque for O-Ring Boss Plugs...171
Torque for Hoses (Taper Seal Type and Face Seal Type)...171
PERIODIC REPLACEMENT OF COMPONENTS...172
SAFETY CRITICAL PARTS...173
Fuel Supply System...173