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Komatsu WA120-3, WA120L-3 Wheel Loader Operation & Maintenance Manual

219 pages · Publication CEAM002303

$69.77
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Models
WA120-3, WA120L-3
Serial coverage
WA120-3 A30001 and up, WA120L-3 54001-54103 and up
Manual type
Operation & Maintenance Manual
Pages
219
Publication
CEAM002303
Condition
Brand new
Komatsu WA120-3, WA120L-3 Wheel Loader Operation & Maintenance Manual, publication CEAM002303

What's inside

From the manual's own table of contents: 27 sections, 224 entries. See sample pages (PDF, 401 KB)

FORWARD
SAFETY INFORMATION
INTRODUCTION3 topics
  • INTENDED USE
  • FEATURES
  • BREAKING IN A NEW MACHINE
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR3 topics
  • MACHINE SERIAL NO. PLATE POSITION
  • ENGINE SERIAL NO. PLATE POSITION
  • TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
GENERAL PRECAUTIONS
PRECAUTIONS DURING OPERATION5 topics
  • BEFORE STARTING ENGINE
  • AFTER STARTING ENGINE
  • TRANSPORTATION
  • BATTERY
  • TOWING
PRECAUTIONS FOR MAINTENANCE3 topics
  • BEFORE CARRYING OUT MAINTENANCE
  • DURING MAINTENANCE
  • TIRES
POSITION FOR ATTACHING SAFETY LABELS
GENERAL VIEW2 topics
  • GENERAL VIEW OF MACHINE
  • GENERAL VIEW OF CONTROLS AND GAUGES
EXPLANATION OF COMPONENTS15 topics
  • METER, LAMPS
  • SWITCHES
  • CONTROL LEVERS, PEDAL
  • CAP WITH LOCK
    • METHOD OF OPENING AND CLOSING CAP WITH LOCK
  • SAFETY BAR
  • TOWING PIN
  • GREASE PUMP CLAMP AND RUBBER RING
  • BACKUP ALARM
  • FUSE
    • FUSE CAPACITY AND NAME OF CIRCUIT
  • SLOW BLOW FUSE
  • STORAGE PLACE FOR THIS MANUAL
  • AUXILIARY POWER SOURCE
    • FOR MACHINES EQUIPPED WITH ROPS CAB
CHECK BEFORE STARTING ENGINE61 topics
  • WALK AROUND CHECK
  • CHECK BEFORE STARTING
    • CHECK COOLANT LEVEL, ADD COOLANT
    • CHECK FUEL LEVEL, ADD FUEL
    • CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL
    • CHECK AND REFILL OF OIL IN BRAKE OIL TANK
    • CHECK DUST INDICATOR
    • CHECK ELECTRICAL WIRING
    • DRAIN THE WATER FROM THE FUEL-WATER SEPARATOR
    • CHECK EFFECT OF PARKING BRAKE
    • CHECK EFFECT OF 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 OPERATIONS OF GAUGES
    • CHECK PLAY OF STEERING WHEEL, CHECK OPERATION OF STEERING
    • CHECK DIRECTION OF REAR VIEW MIRROR, CHECK FOR DIRT OR DAMAGE
    • CHECK LOCK OF CAB DOOR FOR MACHINES EQUIPPED WITH CAB
  • ADJUSTMENT BEFORE OPERATION
    • OPERATOR'S SEAT
    • ADJUST SEAT BELT
    • ADJUST REAR VEIW MIRRORS
  • OPERATIONS AND CHECKS BEFORE STARTING ENGINE
  • STARTING ENGINE
    • NORMAL STARTING PROCEDURES IN COLD AND WARM CONDITIONS
    • STARTING PROCEDURES AFTER EXTENDED SHUTDOWN OR OIL CHANGE
    • STARTING PROCEDURES AFTER CHANGING FUEL FILTERS
    • STARTING PROCEDURES AFTER RUNNING OUT OF FUEL
  • OPERATIONS AND CHECKS AFTER STARTING ENGINE
  • MOVING MACHINE OFF
  • CHANGING GEAR SPEED
  • CHANGING DIRECTION
  • TURNING
  • STOPPING MACHINE
  • OPERATION OF WORK EQUIPMENT
    • BOOM OPERATION (LEVER)
    • BUCKET OPERATION (LEVER)
  • WORK POSSIBLE USING WHEEL LOADER
    • DIGGING OPERATIONS WITH ROCK PILES
    • DIGGING OPERATIONS ON LEVEL GROUND
    • LEVELING OPERATION
    • PUSHING OPERATIONS
    • LOAD AND CARRY OPERATIONS
    • LOADING 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 WORK EQUIPMENT POSTURE
    • ADJUSTING BOOM KICKOUT
    • ADJUSTING BUCKET POSITIONER
    • BUCKET LEVEL INDICATOR
  • PARKING MACHINE
  • CHECKS AFTER COMPLETION OF ENGINE OPERATION
  • STOPPING ENGINE
  • CHECKS AFTER STOPPING ENGINE
  • LOCKING
  • HANDLING THE TIRES
    • PRECAUTIONS WHEN HANDLING THE TIRES
    • TIRE PRESSURE
TRANSPORTATION5 topics
  • LOADING, UNLOADING WORK
  • PRECAUTION FOR LIFTING UP THE VEHICLE
    • THE LOCATION OF DECALS REFERRING TO LIFTING POSITIONS
    • WEIGHT LIST
    • LIFTING PROCEDURE
COLD WEATHER OPERATIONS6 topics
  • PRECAUTIONS FOR LOW TEMPERATURE
    • FUEL AND LUBRICANTS
    • COOLANT
    • BATTERY
  • PRECAUTIONS AFTER COMPLETION OF WORK
  • AFTER COLD WEATHER
LONG TERM STORAGE3 topics
  • BEFORE STORAGE
  • DURING STORAGE
  • AFTER STORAGE
TROUBLESHOOTING12 topics
  • WHEN MACHINE RUNS OUT OF FUEL
  • TOWING THE MACHINE
    • WHEN ENGINE CAN BE USED
    • WHEN ENGINE CANNOT BE USED
  • IF BATTERY IS DISCHARGED
    • REMOVAL AND INSTALLATION OF BATTERY
    • PRECAUTIONS FOR CHARGING BATTERY
    • STARTING ENGINE WITH BOOSTER CABLE
  • OTHER TROUBLE
    • ELECTRICAL SYSTEM
    • CHASSIS
    • ENGINE
GUIDES TO MAINTENANCE
OUTLINES OF SERVICE7 topics
  • OUTLINE OF OIL, FUEL, COOLANT
    • FUEL
    • COOLANT
    • GREASE
    • STORING OIL AND FUEL
    • FILTERS
  • OUTLINE OF ELECTRIC SYSTEM
WEAR PARTS LIST
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE3 topics
  • ENGINE OIL SPECIFICATIONS
  • DIESEL FUEL SPECIFICATIONS
  • COOLANT SPECIFICATIONS
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS2 topics
  • INTRODUCTION OF NECESSARY TOOLS
  • TORQUE LIST
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
MAINTENANCE SCHEDULE CHART
SERVICE PROCEDURES61 topics
  • INITIAL 250 HOURS SERVICE
    • REPLACE FUEL FILTERS
    • REPLACE TRANSMISSION OIL FILTER ELEMENT
    • REPLACE HYDRAULIC TANK FILTER ELEMENT
  • WHEN REQUIRED
    • CHECK, CLEAN OR REPLACE AIR CLEANER ELEMENT
    • CHECK TRANSMISSION OIL LEVEL, ADD OIL
    • CHECK AXLE OIL LEVEL , ADD OIL
    • CLEAN THE AXLE CASE BREATHER
    • CLEAN RADIATOR FINS
    • REPLACE THE BOLT-ON CUTTING EDGES
    • REPLACE BUCKET TEETH (IF EQUIPPED)
    • CHECK AIR CONDITIONER (IF EQUIPPED)
    • CHECK THE AIR CONDITIONER CONDENSER (IF EQUIPPED)
    • CHECK WINDOW WASHING FLUID
    • ADJUST PARKING BRAKE
    • REPLACE SLOW BLOW FUSE
    • CHECK AIR INTAKE HEATER
  • EVERY 50 HOURS SERVICE
    • CHECK THE TIRE INFLATION PRESSURE
    • DRAIN WATER, SEDIMENT FROM FUEL TANK
    • CHECK ENGINE AIR INTAKE SYSTEM
  • EVERY 100 HOURS SERVICE
    • CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL
    • CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER
    • LUBRICATING
  • EVERY 250 HOURS SERVICE
    • CHANGE OIL IN ENGINE OIL PAN AND REPLACE ENGINE OIL FILTER
    • CHECK FOR LOOSE WHEEL HUB NUTS. TIGHTEN
    • CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER
    • CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST
    • CHECK BATTERY ELECTROLYTE LEVEL
    • CHECK AIR INTAKE SYSTEM
    • LUBRICATING
  • EVERY 500 HOURS SERVICE
    • REPLACE FUEL FILTERS
    • REPLACE TRANSMISSION OIL FILTER ELEMENT
    • LUBRICATE
  • EVERY 1000 HOURS SERVICE
    • CHANGE OIL IN TRANSMISSION CASE, CLEAN STRAINER
    • CLEAN TRANSMISSION CASE BREATHER
    • LUBRICATE
    • CHANGE OIL IN HYDRAULIC OIL TANK, REPLACE HYDRAULIC FILTER ELEMENT
    • ADJUST ENGINE VALVE LASH CLEARANCE
    • CHECK FAN BELT TENSION
    • CHECK FAN BELT TENSIONER BEARING & FAN HUB BEARING & INSPECT FAN BELT
    • CHECK TIGHTENING PARTS OF TURBOCHARGER
    • CHECK PLAY OF TURBOCHARGER ROTOR
  • EVERY 2000 HOURS SERVICE
    • COOLING SYSTEM, REPLACE COOLANT AND FLUSH THE SYSTEM
    • REPLACE HYDRAULIC TANK BREATHER ELEMENT
    • CHANGE AXLE OIL
    • CHECK BRAKE DISC WEAR
    • CHECK ALTERNATOR
    • CHECK STARTER MOTOR
    • CHECK VIBRATION DAMPER
    • REPLACE ELEMENT IN AIR COND. RECIRCULATION AIR FILTER & FRESH AIR FILTER
    • ADJUST ENGINE VALVE LASH CLEARANCE
    • CLEAN AND CHECK TURBOCHARGER
  • EVERY 4000 HOURS SERVICE
    • CHECK WATER PUMP
SPECIFICATIONS
Show all 27 sections
AVAILABLE ATTACHMENTS
HEATER AND AIR CONDITIONING (IF EQUIPPED)2 topics
  • GENERAL LOCATION AND FUNCTION OF CONTROL PANEL
  • COOL BOX COMPARTMENT
HANDLING E.C.S.S. (ELECTRONIC CONTROLLED SUSPENSION SYSTEM)4 topics
  • STRUCTURE AND FUNCTION OF E.C.S.S
  • METHOD OF OPERATING E.C.S.S
  • PRECAUTIONS WHEN OPERATING E.C.S.S
  • PRECAUTIONS WHEN HANDLING ACCUMULATOR

Inside this manual

Real pages from this operation & maintenance manual (219 pages). Open the sample pages (PDF, 400 KB)

Sample pages from the Komatsu WA120-3, WA120L-3 Wheel Loader Operation & Maintenance Manual: Controls and operation, Specifications, Maintenance
  • Controls and operation, page 65: TRANSMISSION CUT-OFF SWITCH
  • Specifications, page 116: THE LOCATION OF DECALS REFERRING TO LIFTING POSITIONS
  • Maintenance, page 188: Fill the new filters with clean diesel fuel. Then, apply a thin coat of clean

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA120L-3 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 CEAM002303$69.77
Other manuals for the WA120L-3

Service manuals

Details

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, 219 pages

Quantity one is the manual described above.

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Other editions and similar models

Komatsu Avance WA120-3, WA120-3AService Manual · SEBM005706 · $79.85Komatsu WA120-3 EU Spec. 4 SpeedService Manual · SEBM018300 · $69.59

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