Komatsu WA250PT-3MC Wheel Loader Operation & Maintenance Manual
258 pages · Publication CEAM007402
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- Models
- WA250PT-3MC
- Serial coverage
- WA250PT-3MC A78001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 258
- Publication
- CEAM007402
- Condition
- Brand new
What's inside
From the manual's own table of contents: 343 sections, 344 entries. See sample pages (PDF, 411 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 343 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 MAKING A DOWNHILL TRAVEL
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
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 BLADE
HANDLING HIGH-PRESSURE HOSES
PRECAUTION HIGH PRESSURE OIL
AT HIGH 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
GENERAL VIEW
GENERAL VIEW OF MACHINE
GENERAL VIEW OF CONTROLS AND GAUGES
EXPLANATION OF COMPONENTS
METER, LAMPS
ALARM DISPLAY PORTIONS (B, E)
METER DISPLAY PORTION (A, C, D)
OPTION DISPLAY PORTION (F)
TESTING ACTUATION OF MACHINE MONITOR SYSTEM
WARNING DISPLAYS
METER DISPLAY PORTION
SWITCHES
CONTROL LEVERS, PEDAL
STEERING COLUMN TILT LEVER
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 FOR THIS MANUAL
AUXILIARY POWER SOURCE
FOR MACHINES EQUIPPED WITH ROPS CAB
CHECK BEFORE STARTING
CHECK COOLANT LEVEL, ADD COOLANT
CHECK MONITOR PANEL
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
FUEL SEDIMENT STRAINER
INSPECTION OF TIRES
INSPECTION OF RIMS
TIRE PRESSURE
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 LOCK OF CAB DOOR FOR MACHINES EQUIPPED WITH CAB
OPERATOR'S SEAT ADJUSTMENT
OPERATOR'S AIR RIDE SUSPENSION SEAT
SEAT BELT ADJUSTMENT
REAR VEIW MIRRORS ADJUSTMENT
BEFORE STARTING ENGINE OPERATIONS AND CHECKS
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
AFTER STARTING ENGINE OPERATIONS AND CHECKS
MOVING MACHINE
CHANGING GEAR SPEED
CHANGING DIRECTION
AUTO-SHIFT TRANSMISSION
TURNING
OPERATION OF WORK EQUIPMENT (WITH BUCKET TOOL)
LIFT ARM OPERATION (LEVER)
BUCKET OPERATION (LEVER)
OPERATION OF WORK EQUIPMENT (WITH FORK TOOL)
FORK OPERATION (LEVER)
OPERATION OF WORK EQUIPMENT (WITH MULTI-PURPOSE BUCKET)
AUXILIARY OPERATION (LEVER)
OPEN (A)
HOLD (B)
CLOSE (C)
POSITION INDICATOR
OPERATION OF WORK EQUIPMENT (WITH MATERIAL HANDLING ARM)
HYDRAULIC QUICK COUPLER
COUPLING THE ATTACHMENT
UNCOUPLING FROM THE ATTACHMENT
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
MULTI-PURPOSE BUCKET
IN SCRAPER POSITION
DIGGING, CLEARING AND LEVELING
IMPROPER USE OF THE MULTI-PURPOSE BUCKET
PALLET FORKS
GENERAL
LOADING
TRANSPORTING
UNLOADING
MATERIAL HANDLING ARM
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 POSITIONER
ADJUSTING BUCKET / FORK POSITIONER
STOPPING AND PARKING MACHINE
CHECKS AFTER COMPLETION OF OPERATION
STOPPING ENGINE
CHECKS AFTER STOPPING ENGINE
LOCKING
LOADING, UNLOADING WORK
PRECAUTION FOR LOADING
PRECAUTION FOR LIFTING UP THE VEHICLE
DECALS FOR LIFTING POINTS
WEIGHT LIST
LIFTING PROCEDURE
COLD WEATHER OPERATIONS
PRECAUTIONS FOR LOW TEMPERATURE
FUEL AND LUBRICANTS
COOLANT
PRECAUTIONS AFTER COMPLETION OF WORK
AFTER COLD WEATHER
LONG TERM STORAGE
BEFORE STORAGE
DURING STORAGE
AFTER STORAGE
TROUBLESHOOTING
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 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
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
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
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
EVERY 500 HOURS SERVICE
LUBRICATE CENTER DRIVE SHAFT SPLINE
EVERY 1000 HOURS SERVICE
CHANGE OIL IN TRANSMISSION CASE, CLEAN STRAINER
CLEAN TRANSMISSION CASE BREATHER
LUBRICATE (FRONT, CENTER, AND REAR DRIVE SHAFTS)
ADJUST ENGINE VALVE LASH CLEARANCE
CHECK FAN BELT TENSION
EVERY 2000 HOURS SERVICE
REPLACE HYDRAULIC TANK BREATHER ELEMENT
COOLING SYSTEM, REPLACE COOLANT AND FLUSH THE SYSTEM
RADIATOR CAP GENERAL INFORMATION
CHANGE AXLE OIL
CHECK BRAKE DISC WEAR
CHECK ALTERNATOR
CHECK STARTER MOTOR
CHECK VIBRATION DAMPER
FRESH AIR FILTER
CLEAN PPC CIRCUIT STRAINER
CHECK ACCUMULATOR GAS PRESSURE
sPECIFICATIONS
wa250pt-3 (with bucket attachment)
wa250pt-3 (with fork attachment
WA250PT-3 (WITH MATERIAL HANDLING ARM)
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
HANDLING ECSS (Electronic 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 (258 pages). Open the sample pages (PDF, 410 KB)
- Controls and operation, page 79: CONTROL LEVERS, PEDAL
- Specifications, page 151: DECALS FOR LIFTING POINTS
- Maintenance, page 217: Install the filters on the filter header until the filter seal contacts the
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, 258 pages
Quantity one is the manual described above.
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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).