Komatsu WA120-3MC Wheel Loader Operation & Maintenance Manual
228 pages · Publication CEAM007702
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- Models
- WA120-3MC
- Serial coverage
- WA120-3MC A31001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 228
- Publication
- CEAM007702
- Condition
- Brand new
What's inside
From the manual's own table of contents: 328 sections, 329 entries. See sample pages (PDF, 397 KB)
FOREWORD
SAFETY INFORMATION
INTRODUCTION
INTENDED USE
FEATURES
BREAKING IN A NEW MACHINE
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
MACHINE SERIAL NO. PLATE POSITION
ENGINE SERIAL NO. PLATE POSITION1 topic
- TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
GENERAL PRECAUTIONS
SAFETY RULES
SAFETY FEATURES
UNAUTHORIZED MODIFICATION
CLOTHING AND PERSONAL PROTECTIVE ITEMS
ALWAYS APPLY LOCK WHEN LEAVING OPERATOR'S SEAT
MOUNTING AND DISMOUNTING
FIRE PREVENTION FOR FUEL AND OIL
PRECAUTIONS WHEN HANDLING AT HIGH TEMPERATURES
ASBESTOS DUST HAZARD PREVENTION
CRUSHING OR CUTTING PREVENTION
FIRE EXTINGUISHER AND FIRST AID KIT
PRECAUTIONS WHEN USING ROPS
PRECAUTIONS FOR ATTACHMENTS
PRECAUTION WHEN HANDLING ACCUMULATOR
Show all 328 sections
PRECAUTIONS DURING OPERATION
BEFORE STARTING ENGINE
SAFETY AT WORKSITE
FIRE PREVENTION
WALK AROUND CHECK
IN OPERATOR'S CAB
VENTILATION FOR ENCLOSED AREAS
PRECAUTIONS FOR MIRRORS, WINDOWS, AND LIGHTS
WHEN STARTING ENGINE
AFTER STARTING ENGINE
CHECKS AFTER STARTING ENGINE
PRECAUTIONS WHEN STARTING OFF
CHECK WHEN CHANGING DIRECTION
PRECAUTIONS WHEN TRAVELING
TRAVELING ON SLOPES
PROHIBITED OPERATIONS
DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES
ENSURE GOOD VISIBILITY
OPERATE CAREFULLY ON SNOW
DO NOT HIT WORK EQUIPMENT
WHEN USING THE BRAKE
WHEN TRAVELING DOWNHILL
WORKING ON LOOSE GROUND
PARKING THE MACHINE
PRECAUTIONS IN COLD AREAS
TRANSPORTATION
LOADING AND UNLOADING
SHIPPING
BATTERY
BATTERY HAZARD PREVENTION
STARTING WITH BOOSTER CABLES
CHARGING BATTERY
TOWING
WHEN TOWING
PRECAUTIONS FOR MAINTENANCE
BEFORE CARRYING OUT MAINTENANCE
NOTIFICATION OF FAILURE
WARNING TAGS
CLEAN BEFORE INSPECTION AND MAINTENANCE
STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE
WORK EQUIPMENT SUPPORT
PROPER TOOLS
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
USE OF LIGHTING
KEEP WORK PLACE CLEAN AND TIDY
APPOINT A LEADER WHEN WORKING WITH OTHERS
RADIATOR WATER LEVEL
PREVENTION OF FIRE
TURN E.C.S.S. SWITCH OFF
DURING MAINTENANCE
PERSONNEL
ATTACHMENTS
WORK UNDER THE MACHINE
KEEP THE MACHINE CLEAN
DO NOT DROP TOOLS OR PARTS INSIDE MACHINE
PRECAUTIONS WHEN USING HAMMER
REPAIR WELDING
PRECAUTIONS WITH BATTERY
WHEN ABNORMALITY IS LOCATED
RULES TO FOLLOW WHEN ADDING FUEL OR OIL
ROTATING FAN AND BELT
HANDLING HIGH-PRESSURE HOSES
PRECAUTION HIGH PRESSURE OIL
TEMPERATURE OR HIGH PRESSURE
TIRE MAINTENANCE
CHECKS AFTER INSPECTION AND MAINTENANCE
WASTE MATERIALS
WHEN PERFORMING MAINTENANCE WITH THE CHASSIS RAISED
TIRES
HANDLING TIRES
STORING TIRES AFTER REMOVAL
POSITION FOR ATTACHING SAFETY LABELS
LOCATIONS
LABEL TEXT
GENERAL VIEW
EXTERIOR VIEW OF MACHINE
VIEW OF CONTROLS AND GAUGES
EXPLANATION OF COMPONENTS
METERS AND LAMPS
SWITCHES (ALL MODELS)
SWITCHES (MODELS WITH CAB)
CONTROL LEVERS AND PEDALS
MISCELLANEOUS
SAFETY BAR
TOWING PIN
GREASE PUMP CLAMP AND RUBBER RING
BACKUP ALARM
FUSES
FUSE CAPACITY AND NAME OF CIRCUIT
SLOW-BLOW FUSES
STORING THIS MANUAL
AUXILIARY POWER SOURCE
MACHINE AND ENGINE CHECKS
CHECKS BEFORE STARTING ENGINE
WALK-AROUND CHECKS
CHECK BEFORE STARTING
CHECKING AND ADDING COOLANT
CHECKING THE DUST INDICATOR
CHECKING THE BRAKE OIL TANK
CHECKING AND ADDING ENGINE OIL
DRAINING THE FUEL-WATER SEPARATOR
DRAINING THE FUEL SEDIMENT STRAINER
CHECKING THE ELECTRICAL WIRING
CHECKING THE FUEL LEVEL
INSPECTING THE TIRES
INSPECTING THE RIMS
CHECKING THE TIRE PRESSURE
CHECKING THE MONITOR PANEL
CHECKING THE PARKING BRAKE
CHECKING THE WHEEL BRAKES
CHECK SOUND OF HORN AND BACKUP ALARM
CHECK FLASHING OF LAMPS, CHECK FOR DIRT AND DAMAGE
CHECK ENGINE EXHAUST COLOR AND SOUND
CHECK OPERATION OF GAUGES
CHECK STEERING WHEEL PLAY, CHECK STEERING OPERATION
CHECK THE REAR VIEW MIRROR
CHECK LOCK OF CAB DOOR (MACHINES EQUIPPED WITH CAB)
PRE-WORK SHIFT MACHINE CHECKS
ADJUSTING THE OPERATOR'S SEAT (STANDARD VERSION)
ADJUSTING THE OPERATOR’S SEAT
(OPTIONAL AIR-RIDE SEAT)
ADJUSTING THE SEAT BELT
ADJUSTING THE REAR VIEW MIRRORS
OPERATIONS AND CHECKS BEFORE STARTING ENGINE
STARTING THE ENGINE
NORMAL STARTING PROCEDURES (IN COLD AND WARM CONDITIONS)
AFTER EXTENDED SHUTDOWN OR OIL CHANGE
AFTER CHANGING FUEL FILTERS
AFTER RUNNING OUT OF FUEL
OPERATIONS AND CHECKS AFTER STARTING ENGINE
OPERATING THE MACHINE
MOVING THE MACHINE
CHANGING THE GEAR SPEED
CHANGING DIRECTION (FORWARD-REVERSE)
AUTO-SHIFT TRANSMISSION
TURNING THE MACHINE
STOPPING THE MACHINE
OPERATING THE WORK EQUIPMENT
LIFT ARM (LEVER)
BUCKET (LEVER)
CHECKS AFTER COMPLETION OF OPERATION
STOPPING ENGINE
CHECKS AFTER STOPPING ENGINE
LOCKING THE MACHINE
TRANSPORTING THE MACHINE
PRECAUTIONS FOR LOADING
PRECAUTIONS FOR LIFTING THE VEHICLE
LIFTING POINT DECALS
WEIGHT LIST
LIFTING PROCEDURE
TYPICAL WORK OPERATIONS
DIGGING OPERATIONS WITH ROCK PILES
DIGGING OPERATIONS ON LEVEL GROUND
LEVELING OPERATIONS
PUSHING OPERATIONS
STANDARD LOADING OPERATIONS
LOAD-AND-CARRY OPERATIONS
PRECAUTIONS FOR OPERATION
PERMISSIBLE WATER DEPTH
IF WHEEL BRAKE DOES NOT WORK
PRECAUTIONS WHEN DRIVING UP OR DOWN SLOPES
PRECAUTIONS WHEN DRIVING MACHINE
ADJUSTING THE WORK EQUIPMENT POSTURE
ADJUSTING THE BOOM KICKOUT
ADJUSTING THE BUCKET POSITIONER
BUCKET LEVEL INDICATOR
COLD WEATHER OPERATIONS
PRECAUTIONS DURING LOW AMBIENT TEMPERATURES
FUEL AND LUBRICANTS
COOLANT
AFTER COMPLETION OF WORK
AFTER COLD WEATHER HAS PASSED
LONG-TERM STORAGE
BEFORE STORAGE
DURING STORAGE
AFTER STORAGE
TROUBLESHOOTING
MACHINE RUNS OUT OF FUEL
TOWING THE MACHINE
ENGINE STARTS
ENGINE DOES NOT START
DISCHARGED BATTERY
BATTERY REMOVAL AND INSTALLATION
BATTERY CHARGING PRECAUTIONS
USING BOOSTER CABLES TO START THE ENGINE
OTHER TROUBLE
ELECTRICAL SYSTEM
CHASSIS
ENGINE
GUIDES TO MAINTENANCE
OUTLINES OF SERVICE
OUTLINE OF OIL, FUEL, COOLANT
FUEL
GREASE
STORING OIL AND FUEL
FILTERS
FUEL INJECTION PUMP
OUTLINE OF ELECTRIC SYSTEM
WEAR PARTS LIST
TEMPERATURE
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
NORMAL OPERATION
ARCTIC OPERATION
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
GENERAL
WATER
ANTIFREEZE
INHIBITORS/CONDITIONERS
MAINTENANCE OF COOLING SYSTEM INHIBITORS
COOLANT TESTING FOR CONDITIONER CONCENTRATION
REPLENISHING COOLANT CONDITIONER
DCA4 UNIT MAINTENANCE GUIDE
COOLING SYSTEM TEST KIT
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
INTRODUCTION OF NECESSARY TOOLS
TORQUE LIST
SAFETY CRITICAL PARTS
MAINTENANCE SCHEDULE CHART
SERVICE PROCEDURES
INITIAL 250 HOURS SERVICE
REPLACE FUEL FILTERS
REPLACE TRANSMISSION OIL FILTER ELEMENT
REPLACE HYDRAULIC TANK FILTER ELEMENT
WHEN REQUIRED
CHECKING, CLEANING OR REPLACING THE AIR CLEANER ELEMENT
CHECKING THE TRANSMISSION OIL LEVEL, ADDING OIL
CHECKING THE AXLE OIL LEVEL, ADDING OIL
CLEANING THE AXLE CASE BREATHER
CLEANING THE RADIATOR FINS
REPLACING THE BOLT-ON CUTTING EDGES
REPLACING THE BUCKET TEETH (IF EQUIPPED)
CHECKING THE AIR CONDITIONER (IF EQUIPPED)
CLEANING THE AIR CONDITIONER CONDENSER (IF EQUIPPED)
CHECKING THE WINDOW WASHING FLUID
CHECKING AND ADJUSTING THE PARKING BRAKE
REPLACING A SLOW-BLOW FUSE
CHECKING THE AIR INTAKE HEATER
CHECKS BEFORE STARTING
EVERY 50 HOURS SERVICE
DRAINING WATER AND SEDIMENT FROM THE FUEL TANK
EVERY 100 HOURS SERVICE
CHECKING THE OIL LEVEL IN THE HYDRAULIC TANK, ADDING OIL
CLEANING THE AIR CONDITIONER FRESH AIR FILTER ELEMENT
LUBRICATING
EVERY 250 HOURS SERVICE
CHANGING THE ENGINE OIL AND REPLACING THE ENGINE OIL FILTER
CHECKING FOR LOOSE WHEEL HUB BOLTS
CLEANING THE AIR CONDITIONER RECIRCULATION FILTER ELEMENT
BELT TENSION
CHECKING THE BATTERY ELECTROLYTE LEVEL
CHECKING THE AIR INTAKE SYSTEM
EVERY 500 HOURS SERVICE
REPLACING THE FUEL FILTERS
REPLACING THE TRANSMISSION OIL FILTER ELEMENT
LUBRICATING THE CENTER HINGE PIN
EVERY 1,000 HOURS SERVICE
CHANGING THE TRANSMISSION CASE OIL, CLEANING THE STRAINER
CLEANING THE TRANSMISSION CASE BREATHER
LUBRICATING THE FRONT, CENTER, AND REAR DRIVE SHAFTS
ADJUSTING THE ENGINE VALVE LASH CLEARANCE
CHECKING THE FAN BELT TENSION
ING THE FAN BELT
EVERY 2,000 HOURS SERVICE
REPLACING COOLANT, FLUSHING THE COOLING SYSTEM
REPLACING THE HYDRAULIC TANK BREATHER ELEMENT
CHANGING THE AXLE OIL
CHECK BRAKE DISC WEAR
CHECK THE ALTERNATOR
CHECK THE STARTER MOTOR
CHECKING THE VIBRATION DAMPER
REPLACING THE AIR CONDITIONER RECIRCULATION AND
FRESH AIR FILTER ELEMENTS
CLEANING AND CHECKING THE TURBOCHARGER
CLEAN PPC CIRCUIT STRAINER
CHECK ACCUMULATOR GAS PRESSURE
EVERY 4,000 HOURS SERVICE
CHECK THE WATER PUMP
WA120-3MC Specifications
AVAILABLE ATTACHMENTS
BUCKETS AND TIRES SELECTION
AIR CONDITIONING
GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL
FAN SWITCH
AIR CONDITIONER SWITCH
MODE SELECTOR SWITCH
FRESH/RECIRC SELECTOR SWITCH
TEMPERATURE CONTROL SWITCH
METHOD OF OPERATION
WHEN NOT USING THE AIR CONDITIONER REGULARLY
COOL BOX
ECSS (Electronically-Controlled Suspension System)
STRUCTURE AND FUNCTION OF ECSS
METHOD OF OPERATING ECSS
PRECAUTIONS WHEN OPERATING ECSS SWITCH
ACCUMULATOR PRECAUTIONS
RADIO
OPERATING CONTROLS
OPERATION
SETTING THE CLOCK
REMOTE CONTROL UNIT
BATTERY REPLACEMENT
PRECAUTIONS WHEN USING
Inside this manual
Real pages from this operation & maintenance manual (228 pages). Open the sample pages (PDF, 396 KB)
- Controls and operation, page 81: 4. SAFETY LOCK LEVER
- Specifications, page 120: LIFTING POINT DECALS
- Maintenance, page 192: To install the filter, thread it onto its holder until the filter seal contacts
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, 228 pages
Quantity one is the manual described above.
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Other editions and similar models
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