Komatsu WB146-5, WB146PS-5 Backhoe Loader Operation & Maintenance Manual
259 pages · Publication CEAM016605
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- Models
- WB146-5, WB146PS-5
- Serial coverage
- WB146PS-5 A43001 and up, WB146-5 A23001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 259
- Publication
- CEAM016605
- Condition
- Brand new
What's inside
From the manual's own table of contents: 381 topics. See sample pages (PDF, 401 KB)
- FOREWORD
- SAFETY INFORMATION
- Safety Labels
- APPROVED AND NON-APPROVED USES
- Approved Functions
- Non-approved Functions
- PRODUCT INFORMATION
- Main Features
- Breaking-in the New Machine
- Synthetic Biodegradable Oil Types
- PRODUCT IDENTIFICATION
- Machine Serial Number
- Machine Identification Plate
- Engine Serial Number and Emission Label
- Front Axle Serial Number
- Rear Axle Serial Number
- Transmission Serial Number
- Cab Serial Number
- Canopy Serial Number
- SERIAL NUMBERS AND DISTRIBUTOR INFORMATION
- SAFETY AND WARNING DECALS
- Location of Safety Decals
- GENERAL SAFETY RULES AND PRECAUTIONS
- General Safety Rules
Show all 381 topics
- If Abnormalities are Found
- Safety at Job Site
- Safety Features
- Clothing and Personal Protective Equipment
- Keep Machine Clean
- Fire and Explosion Prevention
- Fire Caused by Fuel, Oil, Antifreeze, or Window Washer Fluid
- Fire Caused by Accumulation of Flammable Material
- Fire Caused by Electric Wiring
- Fire Caused by Hydraulic Line
- Explosion Caused by Lighting Equipment
- Action if Fire Occurs
- Asbestos Hazard Alert
- Keep Operator's Cab Clean
- Room Ventilation
- Burn Prevention
- Hot Coolant
- Hot Oil
- PRECAUTIONS FOR OPERATION
- Seat Belt Inspection
- Leaving the Operator’s Seat
- Mounting and Dismounting
- Checking the Rearview Mirrors
- Crush or Pinch Point Dangers
- Fire Extinguisher and First Aid Kit
- Inside Operator’s Compartment
- Cleaning Windows, Mirrors and Lights
- Checking the Windshield Wiper Blades and Bulbs
- Precautions When Using ROPS
- Unauthorized Modifications
- Precautions for Attachments
- Quick Coupler Attachment
- Large Attachments
- PRECAUTIONS BEFORE STARTING OPERATIONS
- Hand Signals
- Pre-operational Checks
- Starting Your Work Operations
- Work Site Hazards
- Working on Loose or Unstable Ground
- Visibility
- Precautions to be Taken When Using Synthetic Biodegradable Oil (HEES)
- Avoid Dangerous Situations
- Working Clearances
- High Voltage Lines
- RULES FOR ROAD TRAVEL
- Travel Precautions
- Rules for Traveling in Reverse
- Traveling on Snow or Frozen Surfaces
- Traveling on Slopes
- Traveling on Loose or Unstable Ground
- Parking the Machine
- PRECAUTIONS DURING MAINTENANCE OPERATIONS
- Warning Tags
- Equipment Storage
- Working Under the Machine
- Using Drop Lamps
- Keeping the Machine Clean
- Running the Machine During Maintenance
- Rules for Refueling the Machine
- Cooling System Precautions
- Battery Precautions
- Hazards
- Using Booster Cables
- Starting the Machine with Booster Cables
- High-Pressure Hoses
- Safety Handling of High-pressure Hoses
- Precaution for High Fuel Pressure
- High-Temperature Areas
- Rotating Parts
- Disposal of Waste Materials
- Inflating Tires
- Accumulator
- Critical Parts
- GENERAL VIEW OF MACHINE
- Front View of Machine
- Rear View of Machine
- OPERATION CONTROLS
- In the Cab (Joystick Controls)
- Steering Column Switches
- Directional Control Switch (Standard)
- Speed Selector Switch (PS Model Only)
- Multifunctional Switch
- Front Instrument Panel and Controls
- Side Instrument and Controls
- Cab Switches and Electric Accessories
- Front Work Light Switch
- Rear Work Light Switch
- Rear Windshield Wiper Switch
- Rear Windshield Washer Switch
- Overhead Lamp (Dome)
- Power Outlet
- Power Outlet Socket
- Front End Loader Controls
- Loader Declutch Control Button
- Multipurpose Bucket Open Button
- Differential Lock Button
- Multipurpose Bucket Close Button
- Front Loader Speed Control Button
- Kick Down Button (Power Shift Only)
- Gear Shift Lever Controls (Power Shuttle Only)
- Declutch Button
- Changing Speed Ranges
- PS Model Control Lever
- Directional Control Lever
- Brakes, Parking Brake, Accelerator, and Throttle Control
- Brake Pedals
- Parking Brake
- Accelerator Pedal
- Hand Throttle
- CAB ENVIRONMENT AND SAFETY EQUIPMENT
- Heating and Ventilation System
- Air Conditioning (if equipped)
- Heating System
- Seat and Seat Belt
- Seat
- Seat Belt
- Safety Equipment and Storage Areas
- Fire Extinguisher
- First Aid Kit
- Document Storage
- Storage Compartment
- CAB AND GUARDS
- Doors and Windows
- Guards
- Driver’s Overhead Guard
- Engine Hood
- ELECTRICAL
- Switches and Extra Accessories
- Battery Disconnect Switch
- Adapter for Radio (if provided)
- Fuses and Relays
- Fuse and Relay Panel Location
- Fuse and Relay Panel Layout
- Fuses
- Relays
- Heating and Air Conditioning Fuses and Relays
- OPERATING THE MACHINE
- Checking the Fuel Supply
- Starting the Engine
- Starting the Engine in Cold Weather
- Warming Up the Machine
- Shutting Down the Engine
- OPERATING THE FRONT END LOADER AND BACKHOE
- Perform a Walk Around Check of Your Machine
- Under the Hood
- In the Operator’s Cab
- Start-up Checks
- STARTING YOUR WORK
- Operating the Front End Loader
- Control Lever Positions
- Multipurpose Bucket Opening Push Button
- Multipurpose Bucket Close Push Button
- Performing Loading Operations
- Bucket Position Indicator
- Organizing Your Work Area
- Loading Heaped Material
- Loading a Truck Bed or Trailer
- Working on Slopes with a Loaded Bucket
- Changing the Front Bucket
- Operating the Backhoe
- PPC Controls
- Adjusting the Backhoe Controls
- Adjusting Joystick Positions
- Adjusting Wrist Supports
- Adjusting Stow Position (Cab Only)
- Unlocking the Backhoe
- Pattern Change Control Lever
- ISO Backhoe Controls
- Komatsu Backhoe Controls
- Positioning the Machine
- Digging Methods
- Changing the Backhoe Bucket
- Adjusting the Bucket
- SAFETY LOCK USAGE
- Front End Loader Cylinder Lock
- Backhoe Locks
- TRAVELING WITH THE MACHINE
- Traveling
- Traveling or Working in Swampy or Wet Areas
- Parking for Short Periods of Time
- Parking for Long Periods of Time
- Parking on an Incline
- TRANSPORTING THE MACHINE
- Loading and Securing the Machine
- LIFTING THE MACHINE
- LIFTING POSITION MARKS
- LIFTING PROCEDURE
- EMERGENCY RECOVERY
- How to Move the Machine
- PRECAUTIONS DURING SEASONAL CHANGES
- Cold Seasons
- Fuel and Lubricants
- Coolant
- Battery
- Warm Seasons
- TROUBLESHOOTING
- Servicing
- Removal and Installation
- Starting the Engine with Booster Cables
- Accessing the Battery
- Connecting the Booster Cables
- Disconnecting the Booster Cables
- Electrical Circuits
- Hydraulic System
- Braking System
- Transmission
- Engine
- MAINTENANCE INFORMATION
- Maintenance Notes
- Engine Maintenance
- Engine Oil
- Fuel
- Hydraulic System Maintenance
- Carrying Out KOWA (Komatsu Oil Wear Analysis)
- KOWA Analysis Items
- Electrical System Maintenance
- Lubrication
- WEAR PARTS LIST
- FUEL, COOLANT, AND LUBRICANTS
- Proper Selection According to the Ambient Temperature
- Grease
- APPROVED SYNTHETIC LUBRICANTS (HEES)
- LUBRICATION DIAGRAMS
- General View
- Multipurpose Bucket and Pallet Forks
- Telescopic Arm
- TORQUE SPECIFICATIONS
- Torque List
- Torque of Bolts
- Torque of Hose Nuts
- Torque of Split Flange Bolts
- Torque for Flared Nuts
- Torque for O-Ring Boss Piping Joints
- Torque for O-Ring Boss Plugs
- Torque for Hoses (Taper Seal Type and Face Seal Type)
- PERIODIC REPLACEMENT OF COMPONENTS
- SAFETY CRITICAL PARTS
- Fuel Supply System
- Delivery / Return Hydraulic System
- Seat Belt System
- MAINTENANCE SCHEDULE
- Maintenance Schedule Chart
- Initial 50 Hours Maintenance
- Initial 250 Hours Maintenance
- Initial 500 Hours Maintenance
- When Required
- Cleaning or Changing Engine Air Filters
- Checking and Cleaning Cab Air Filter
- Cleaning Air Recirculation Filter
- Checking the Level in Windshield Washer Reservoir
- Checking Windshield Wiper Blades
- Lubricating Cab Door Hinges
- Bleeding Brake System
- Checking and Adjusting Front Wheel Toe-in
- Checking and Adjusting Parking Brake
- Checking and Adjusting Brake Pedal Stroke
- Adjusting Automatic Return of Front Bucket to the Digging Position
- Checks Before Starting
- Various Checks
- Checking Fuel Level
- Checking Coolant Level
- Checking Engine Oil Level
- Checking Hydraulic Oil Level
- Draining Water Separator
- Every 10 Hours Maintenance
- Lubricating Joints (Grease Fittings)
- Joint Lubrication Points
- Every 50 Hours Maintenance
- Checking Radiator Fluid Level
- Checking Brake System Oil Level
- Lubricating Drive Shafts
- Lubricating Front Axle Joints
- Checking Electrical System
- Every 250 Hours Maintenance
- Checking Serpentine Belt
- Checking A/C Compressor Belt Tension
- Cleaning Outside of Radiator
- Checking Battery Electrolyte
- Checking Front Axle Oil Levels
- Checking Rear Axle Oil Levels
- Transmission Oil Level
- Checking Wheel Lug Nut Torque
- Every 500 Hours Maintenance
- Changing Engine Oil
- Changing Engine Oil Filter
- Changing Hydraulic Tank Oil Filter
- Changing Fuel Filter
- Draining Fuel Tank
- Draining Hydraulic Oil Tank
- Every 1000 Hours Maintenance
- Changing Front Axle Oil
- Changing the Rear Axle Oil
- Changing Transmission Oil
- Changing Transmission Filter
- Checking and Adjusting Engine Valve Clearance
- Every 2000 Hours Maintenance
- Cleaning Suction Filter
- Changing Coolant
- Changing Brake System Oil
- Checking the Alternator and the Starter
- Changing the Alternator Belt
- Checking the A/C Cooling Gas Quantity
- MAINTENANCE WHEN USING DEMOLITION HAMMER
- Changing Hydraulic Oil Filter
- Changing Hydraulic Oil
- LONG TERM STORAGE
- Before Storage
- During Storage
- After Storage
- SPECIFICATIONS
- Machine Dimensions and Weights
- Standard Arm
- Retracted Telescopic Arm
- Extended Telescopic Arm
- MACHINE SYSTEMS SPECIFICATIONS
- Electrical System
- Service Refill Capacities
- Standard Tires
- Total Mass
- Standard Bucket Capacity
- Loader
- AUTHORIZED OPTIONAL EQUIPMENT
- Precautions Regarding Safety
- Precautions Regarding the Installation of Equipment
- Optional Equipment Measurements
- Front End Loader
- Backhoe Unit
- FRONT EQUIPMENT QUICK COUPLING DEVICES
- Manual Control Quick Coupling
- MULTIPURPOSE BUCKET (4-in-1)
- Bucket Operation
- Description
- Bucket Uses
- Pallet Forks
- Safety Devices
- Using Forks
- Removing Forks
- Installing Forks
- Maintenance
- BACKHOE TELESCOPIC ARM
- Control
- Using the Telescopic Arm
- Adjusting the Guide Slack
- DEMOLITION HAMMER piping
- Rules for Hammer Usage
- Always Avoid the Following Uses
- Installing the Hammer
- Removing the Hammer
- Using the Hammer
- HYDRAULIC JACK HAMMER
- Connecting and Removing the Jack Hammer
- Connecting the Jack Hammer
- Disconnecting the Jack Hammer
- Using the Jack Hammer
- LOAD STABILIZER SYSTEM (LSS) (Ride Control Optional)
- Load Stabilizer System (LSS) Accumulator
- Pressurizing the Load Stabilizer System (LSS)
Inside this manual
Real pages from this operation & maintenance manual (259 pages). Open the sample pages (PDF, 399 KB)
- Controls and operation, page 85: Cab Switches and Electric Accessories
- Specifications, page 145: Connect the safety cables to prevent accidental lowering of the
- Maintenance, page 193: Every 10 Hours Maintenance
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WB146PS-5 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Operation & Maintenance Manual CEAM016605$69.69
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This is an operator's manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
This manual
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 259 pages
Quantity one is the manual described above.
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Ships in 1 business day.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).