Komatsu WA142-5 Backhoe Loader Operation & Maintenance Manual
211 pages · Publication CEAM018502
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- Models
- WA142-5
- Serial coverage
- WA142-5 A13001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 211
- Publication
- CEAM018502
- Condition
- Brand new
What's inside
From the manual's own table of contents: 348 topics. See sample pages (PDF, 398 KB)
- FOREWORD
- SAFETY INFORMATION
- APPROVED AND NON-APPROVED USES
- NON-APPROVED
- PRODUCT INFORMATION
- MAIN FEATURES
- BREAK-IN PERIOD
- 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
- CANOPY SERIAL NUMBER
- SERIAL NUMBERS AND DEALER INFORMATION
- SAFETY AND WARNING DECALS
- LOCATION OF THE SAFETY DECALS
- WORK ZONE
- ROTATING PARTS
- HYDRAULIC OIL
- BLOCK WHEELS
- BEFORE MOVING MACHINE
Show all 348 topics
- BEFORE STANDING UP FROM OPERATORS SEAT
- WHILE ENGINE IS RUNNING
- ALWAYS USE SEAT BELT
- MACHINE OPERATION
- IMPROPER OPERATION AND MAINTENANCE
- DO NOT WELD ONTO ROPS
- BOOM LOCK
- ELECTROCUTION HAZARD
- CRUSH HAZARD: KEEP CLEAR
- PINCH POINT
- INCORRECT STARTING PROCEDURES
- BRAKE PEDAL CONNECTOR
- WHEEL DRIVE
- HYDRAULIC OIL LEVEL
- HYDRAULIC OIL FILTER
- FUEL
- FUEL FILTER
- ENGINE LUBRICATION OIL FILTER
- ENGINE AIR FILTER
- ENGINE COOLANT
- COOLANT PRESSURE CAP
- TRANSMISSION OIL LEVEL
- TRANSMISSION OIL FILTER
- POWER OUTLET
- SWING LOCK
- ANCHORAGE POINT
- EMERGENCY EXIT
- BRAKE OIL
- DO NOT LIFT WARNING
- GENERAL SAFETY RULES AND PRECAUTIONS
- GENERAL SAFETY RULES
- UNAUTHORIZED MODIFICATIONS
- GENERAL SAFETY AT JOB SITE
- WORKING ON LOOSE GROUND
- SAFETY FEATURES
- PERSONAL PROTECTIVE EQUIPMENT
- FIRE AND EXPLOSION PREVENTION
- FIRE CAUSED BY FUEL OR OIL
- FIRE CAUSED BY ACCUMULATION OF FLAMMABLE MATERIAL
- FIRE FROM ELECTRICAL SYSTEM
- FIRE FROM HYDRAULIC LINE
- ACTION IF FIRE OCCURS
- DUST HAZARD PRECAUTIONS
- ASBESTOS DUST HAZARD PREVENTION
- KEEP OPERATOR'S CAB CLEAN
- LEAVING OPERATOR’S COMPARTMENT
- MOUNTING AND DISMOUNTING
- CRUSH OR PINCH POINT DANGERS
- FIRE EXTINGUISHER AND FIRST AID KIT
- INSIDE OPERATOR’S COMPARTMENT
- PRECAUTIONS WHEN USING ROPS
- PRECAUTIONS FOR ATTACHMENTS
- QUICK COUPLER ATTACHMENT
- LARGE ATTACHMENTS
- PRECAUTIONS BEFORE STARTING OPERATIONS
- PRE-OPERATIONAL CHECKS
- STARTING YOUR WORK OPERATIONS
- WORK SITE HAZARDS
- AVOIDING DANGEROUS SITUATIONS
- WORKING CLEARANCES
- HIGH VOLTAGE LINES
- RULES FOR ROAD TRAVEL
- PRECAUTIONS WHEN TRAVELING
- RULES FOR TRAVELING IN REVERSE
- TRAVELING ON ICY OR SNOW-COVERED SURFACES
- WORKING ON LOOSE OR UNSTABLE GROUND
- TRAVEL ON SLOPES
- 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
- STARTING THE MACHINE
- HIGH PRESSURE HOSES
- HANDLING HIGH-PRESSURE HOSES
- PRECAUTION FOR HIGH FUEL PRESSURE
- HIGH TEMPERATURES AREAS
- DISPOSAL OF WASTE MATERIALS
- INFLATING TIRES
- ACCUMULATOR
- CRITICAL PARTS
- TRANSPORTING THE MACHINE
- LOADING AND SECURING THE MACHINE
- GENERAL VIEW OF MACHINE
- FRONT VIEW OF MACHINE
- REAR VIEW OF MACHINE
- DESCRIPTION OF MACHINE OPERATION CONTROLS
- CONTROL LOCATIONS
- FRONT INSTRUMENT BEZEL AND CONTROLS
- LOW FUEL ALERT LAMP
- FOUR-WHEEL DRIVE (IN/OUT) INDICATOR
- DIFFERENTIAL (LOCK/UNLOCK) INDICATOR
- PARKING BRAKE ALERT LAMP
- TRANSMISSION OIL TEMPERATURE ALERT
- LEFT DIRECTION INDICATOR LAMP
- RIGHT DIRECTION INDICATOR LAMP
- LOW PRESSURE OR BRAKE FLUID ALERT
- MAIN ALARM LAMP
- HIGH BEAM INDICATOR LAMP
- LOW BEAM INDICATOR LAMP
- WORK LIGHTS ALERT LAMP
- STEERING COLUMN SWITCHES
- DIRECTIONAL CONTROL SWITCH (STANDARD)
- MULTIFUNCTIONAL SWITCH
- SIDE INSTRUMENT BEZEL AND CONTROLS
- FUEL LEVEL GAUGE
- ENGINE COOLANT TEMPERATURE GAUGE
- TACHOMETER AND HOUR METER
- HYDRAULIC OIL FILTER CLOG INDICATOR
- ALTERNATOR ALERT
- GLOW PLUGS PREHEAT INDICATION
- ENGINE COOLANT TEMPERATURE ALERT
- ENGINE OIL PRESSURE ALERT
- AIR CLEANER RESTRICTION ALERT
- AUDIBLE WARNING SYSTEM
- BACKHOE SPEED CONTROL BUTTON
- BACKHOE BOOM LOCK SWITCH
- REAR HORN
- HAZARD FLASHERS
- PARKING LIGHTS AND LOW BEAM SWITCH
- FOUR-WHEEL DRIVE SWITCH
- ROTATING BEACON LAMP
- FRONT WORK LIGHT SWITCH
- REAR WORK LIGHT SWITCH
- OPTIONAL EQUIPMENT SWITCHES
- IGNITION SWITCH
- FRONT END LOADER CONTROLS
- LOADER DECLUTCH CONTROL BUTTON
- DIFFERENTIAL LOCK BUTTON
- FRONT END LOADER SPEED CONTROL BUTTON
- BACKHOE CONTROLS
- GEAR SHIFT LEVER CONTROLS
- DECLUTCH BUTTON
- CHANGING SPEED RANGES
- DIRECTIONAL CONTROL LEVER
- BRAKES, PARKING BRAKE, ACCELERATOR AND THROTTLE CONTROL
- BRAKE PEDALS
- PARKING BRAKE
- ACCELERATOR PEDAL
- HAND THROTTLE
- SEAT
- SEAT BELT
- DOCUMENT STORAGE
- GUARDS
- DRIVERS OVERHEAD GUARD
- ENGINE HOOD
- ELECTRICAL
- SWITCHES AND EXTRA ACCESSORIES
- BATTERY DISCONNECT
- FUSES AND RELAYS
- FUSE AND RELAY PANEL LOCATION
- FUSE AND RELAY PANEL LAY OUT
- OPERATING THE MACHINE
- CHECKING THE FUEL SUPPLY
- STARTING THE ENGINE
- STARTING THE ENGINE IN COLD WEATHER
- WARMING THE MACHINE UP
- SHUTTING THE ENGINE DOWN
- OPERATING THE FRONT END LOADER AND BACKHOE
- PERFORM A WALK AROUND CHECK OF YOUR MACHINE
- UNDER THE HOOD
- IN THE OPERATOR’S CANOPY
- START-UP CHECKS
- OPERATING THE FRONT END LOADER
- CONTROL LEVER POSITIONS
- PERFORMING LOADING OPERATIONS
- 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
- POSITIONING THE MACHINE
- UNLOCKING THE BACKHOE
- ISO BACKHOE CONTROLS
- KOMATSU BACKHOE CONTROLS
- DIGGING METHODS
- CHANGING THE BACKHOE BUCKET
- ADJUSTING THE BUCKET
- SAFETY LOCK USAGE
- FRONT END LOADER CYLINDER LOCK
- BACKHOE LOCKS
- MOVING OR TRAVELING WITH THE MACHINE
- TRAVELING
- TRAVELING ON SLOPES
- TRAVELING OR WORKING IN SWAMPY OR WET AREAS
- FOR SHORT OR LONG PERIODS OF TIME
- PARKING ON AN INCLINE
- EMERGENCY RECOVERY
- HOW TO MOVE THE MACHINE
- PRECAUTIONS DURING SEASONAL CHANGES
- COLD SEASONS
- FUEL AND LUBRICANTS
- COOLANT
- BATTERY
- WARM SEASONS
- BASIC TROUBLESHOOTING
- THE BATTERY
- SERVICING THE BATTERY
- REMOVAL AND INSTALLATION
- STARTING THE ENGINE WITH BOOSTER CABLE
- ACCESSING THE BATTERY
- ELECTRICAL CIRCUITS
- HYDRAULIC SYSTEM
- BRAKING SYSTEM
- TRANSMISSION
- ENGINE
- GUIDE TO MAINTENANCE
- MAINTENANCE NOTES
- NOTES REGARDING THE ENGINE
- ENGINE OIL
- NOTES REGARDING THE HYDRAULIC SYSTEM
- NOTES REGARDING THE ELECTRICAL SYSTEM
- NOTES REGARDING LUBRICATION
- PARTS SUBJECT TO WEAR THAT PERIODICALLY NEED CHANGING
- FUEL, COOLANT, AND LUBRICANTS
- PROPER SELECTION ACCORDING TO THE AMBIENT TEMPERATURE
- GREASE
- FUEL REMARKS
- HOMOLOGATED (HEES) SYNTHETIC LUBRICANTS
- LUBRICATION DIAGRAMS
- GENERAL VIEW
- PERIODIC REPLACEMENT OF COMPONENTS
- CRITICAL PARTS FOR SAFETY
- FUEL SUPPLY SYSTEM
- DELIVERY / RETURN HYDRAULIC SYSTEM
- LOADER AND BACKHOE HYDRAULIC SYSTEM
- OPERATOR’S SAFETY
- STANDARD TIGHTENING TORQUE
- STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
- SPECIFIC TIGHTENING TORQUES
- MAINTENANCE PLAN
- CHECKS BEFORE STARTING
- VARIOUS CHECKS
- CHECKING FUEL LEVEL
- CHECKING COOLANT LEVEL
- CHECKING ENGINE OIL LEVEL
- CHECKING HYDRAULIC OIL LEVEL
- DRAINING WATER SEPARATOR
- MAINTENANCE EVERY 10 HOURS OF OPERATION
- LUBRICATING JOINTS (GREASE FITTINGS)
- WORK EQUIPMENT LUBRICATION POINTS
- FRONT LOADER LUBRICATION LOCATIONS
- BACKHOE LUBRICATION LOCATIONS
- MAINTENANCE AFTER FIRST “50 HOURS OF OPERATION
- MAINTENANCE EVERY 50 HOURS OF OPERATION
- CHECKING RADIATOR FLUID LEVEL
- CHECKING BRAKE SYSTEM OIL LEVEL
- LUBRICATING DRIVE SHAFTS
- LUBRICATING FRONT AXLE JOINTS
- CHECKING TIRE PRESSURE
- CHECKING ELECTRICAL SYSTEM
- MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION
- MAINTENANCE EVERY 250 HOURS OF OPERATION
- CHECKING SERPENTINE BELT
- CLEANING OUTSIDE OF RADIATOR
- CHECKING BATTERY ELECTROLYTE
- CHECKING FRONT AXLE OIL LEVELS
- CHECKING REAR AXLE OIL LEVELS
- CHECKING WHEEL LUG NUT TORQUE
- MAINTENANCE AFTER FIRST 500 HOURS OF OPERATION
- MAINTENANCE EVERY 500 HOURS OF OPERATION
- CHANGING ENGINE OIL
- CHANGING ENGINE OIL FILTER
- CHANGING FUEL FILTER
- BLEEDING THE CIRCUIT
- DRAINING FUEL TANK
- DRAINING HYDRAULIC OIL TANK
- MAINTENANCE EVERY 1000 HOURS
- CHANGING FRONT AXLE OIL
- DIFFERENTIAL
- PLANETARY
- CHANGING THE REAR AXLE OIL
- CHANGING TRANSMISSION OIL AND FILTER
- MAINTENANCE EVERY 2000 HOURS OF OPERATION
- CHANGING COOLANT
- CHANGING THE BRAKING SYSTEM OIL
- CHECKING THE ALTERNATOR AND THE STARTER
- CHANGING THE ALTERNATOR BELT
- WHEN REQUIRED
- CLEANING OR CHANGING THE ENGINE AIR FILTERS
- BLEEDING BRAKE SYSTEM
- CHECKING AND ADJUSTING FRONT WHEEL TOE-IN
- CHECKING AND ADJUSTING PARKING BRAKE
- CHECK
- ADJUSTMENT
- CHECKING THE BRAKING EFFICIENCY
- CHECKING AND ADJUSTING BRAKE PEDAL STROKE
- MAINTENANCE INTERVALS FOR DEMOLITION HAMMER USE
- CHANGING HYDRAULIC OIL FILTER
- CHANGING HYDRAULIC OIL
- LONG TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- SPECIFICATIONS
- MACHINE DIMENSIONS AND WEIGHTS
- BACKHOE ARM
- MACHINE SYSTEMS SPECIFICATIONS
- ELECTRICAL SYSTEM
- SERVICE REFILL CAPACITIES
- TOTAL MASS
- STANDARD BUCKET CAPACITY
- LOADER
- AUTHORIZED OPTIONAL EQUIPMENT
- BASIC PRECAUTIONS
- OPTIONAL EQUIPMENT MEASUREMENTS FOR (WB142-5)
- FRONT END LOADER
- BACKHOE UNIT
- DEMOLITION HAMMER
- DESCRIPTION AND CONTROL
- RULES FOR HAMMER USAGE
- ALWAYS AVOID THE FOLLOWING USES
- INSTALLATION AND REMOVAL OF THE DEMOLITION HAMMER
- INSTALLATION
- REMOVAL
- CONNECTING AND REMOVING THE JACK HAMMER
- USING THE JACK HAMMER
Inside this manual
Real pages from this operation & maintenance manual (211 pages). Open the sample pages (PDF, 396 KB)
- Controls and operation, page 80: BACKHOE CONTROLS
- Maintenance, page 161: MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION
- Specifications, page 197: SPECIFICATIONS
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, 211 pages
Quantity one is the manual described above.
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