Komatsu HM250-2 Articulated Dump Truck Operation & Maintenance Manual
331 pages · Publication EEAM027602
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- Models
- HM250-2
- Serial coverage
- HM250-2 2001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 331
- Publication
- EEAM027602
- Condition
- Brand new
What's inside
From the manual's own table of contents: 318 sections, 319 entries. See sample pages (PDF, 416 KB)
BEFORE READING THIS MANUAL
SAFETY INFORMATION
Noise emission levels
Vibration levels
Guide to Reduce Vibration Levels on Machine
INTENDED USE
USE OF MACHINE
DIRECTIONS OF MACHINE
VISIBILITY FROM OPERATOR'S SEAT
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
EPA REGULATIONS, ENGINE NUMBER PLATE
SERVICE METER POSITION1 topic
- TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
MACHINE SERIAL NUMBER PLATE
MACHINE SERIAL NUMBER PLATE (according directive 2006/42/EC)
Declaration according Directive 2006/42/EC Annex I point 1.7.4.2 (c)
SAFETY
SAFETY LABELS
POSITION FOR ATTACHING SAFETY LABELS
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE
PRECAUTIONS BEFORE STARTING OPERATION
PREPARATIONS FOR SAFE OPERATION
FIRE PREVENTION
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE
Show all 318 sections
DO NOT GET CAUGHT IN ARTICULATING PORTION AND DUMP BODY
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES
UNAUTHORIZED MODIFICATION
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING
PRECAUTIONS FOR OPERATION
PRECAUTIONS FOR JOBSITE
STARTING ENGINE
OPERATION
TRANSPORTATION
TOWING
PRECAUTIONS FOR MAINTENANCE
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE
PRECAUTIONS FOR INSPECTION AND MAINTENANCE
TIRES
DISMANTLING THE MACHINE END OF SERVICE LIVE
GENERAL VIEW
GENERAL VIEW OF MACHINE
GENERAL VIEW OF CONTROLS AND GAUGES
EXPLANATION OF COMPONENTS
MACHINE MONITOR
CHARACTER DISPLAY
CAUTION ITEMS
EMERGENCY STOP ITEM
METER DISPLAY PORTION
CENTRAL WARNING LAMP
OTHER FUNCTIONS OF MACHINE MONITOR
SWITCHES
CONTROL LEVERS AND PEDALS
BODY PIVOT PIN
ARTICULATE LOCK
LOCATION OF FIRE EXTINGUISHER
DUST INDICATOR
HANDLING BATTERY DISCONNECTOR SWITCH
CIRCUIT BREAKER
FUSES
FUSE CAPACITY AND CIRCUIT NAME
CAR RADIO
METHOD OF OPERATION
PRECAUTIONS FOR USE
CAR STEREO
AIR CONDITIONER
GENERAL LOCATIONS ON CONTROL PANEL
PRECAUTIONS WHEN USING AIR CONDITIONER
INSPECTION AND MAINTENANCE
CHECK BEFORE STARTING ENGINE
WALK-AROUND CHECK
CHECK BEFORE STARTING
ADJUSTMENT BEFORE OPERATION
OPERATIONS, CHECKS BEFORE STARTING
OPERATIONS, CHECKS AFTER STARTING ENGINE
BREAKING-IN THE MACHINE
WARMING-UP OPERATION
CANCELLING DUMP BODY HOLD CONDITION
STOPPING ENGINE
CHECKS AFTER STOPPING ENGINE
MOVING MACHINE OFF (FORWARD, REVERSE), STOPPING
MOVING MACHINE FORWARD
MOVING MACHINE IN REVERSE
STOPPING MACHINE
SHIFTING GEAR
TRAVELLING DOWNHILL
BRAKE PERFORMANCE CURVE
STEERING THE MACHINE
OPERATION USING DIFFERENTIAL LOCK
METHOD OF USING INTER-AXLE DIFFERENTIAL LOCK
WHEN TIRES ARE STUCK IN GROUND
LOADING OPERATIONS
HANDLING TAILGATE
DUMP OPERATIONS
CAB TILT OPERATION
WHEN USING CRANE
WHEN USING TILT CYLINDER
PERMISSIBLE WATER DEPTH
PARKING MACHINE
CHECKS AFTER COMPLETION OF WORK
LOCKING
HANDLING TIRES
PRECAUTIONS WHEN HANDLING TIRES
PRECAUTIONS FOR LONG DISTANCE TRAVEL
DETERMINING AND MAINTAINING TRAVEL ROAD
DETERMINING TRAVEL ROAD
MAINTAINING TRAVEL ROAD
PRECAUTIONS WHEN TRANSPORTING
STEPS FOR TRANSPORTATION
METHOD OF SECURING MACHINE
METHOD OF LIFTING MACHINE
LOCATION OF LIFTING POSITION MARK
WEIGHT TABLE
LIFTING PROCEDURE
COLD WEATHER OPERATION
PRECAUTIONS FOR LOW TEMPERATURE
FUEL AND LUBRICANTS
COOLANT
BATTERY
INSTALLATION OF RADIATOR CURTAIN
PRECAUTIONS AFTER COMPLETION OF WORK
AFTER COLD WEATHER
LONG-TERM STORAGE
BEFORE STORAGE
DURING STORAGE
AFTER STORAGE
PRECAUTIONS BEFORE TRAVELLING AFTER LONG-TERM STORAGE
TROUBLESHOOTING
AFTER RUNNING OUT OF FUEL
IF TRANSMISSION HAS TROUBLE
METHOD OF LOWERING DUMP BODY IN EMERGENCY
METHOD OF TOWING MACHINE
WHEN ENGINE RUNS
WHEN ENGINE DOES NOT RUN
WHEN PARKING BRAKE HAS BEEN ACTUATED IN EMERGENCY
IF BATTERY IS DISCHARGED
REMOVAL AND INSTALLATION OF BATTERY
PRECAUTIONS FOR CHARGING BATTERY
STARTING ENGINE WITH BOOSTER CABLE
OTHER TROUBLE
ELECTRICAL SYSTEM
CHASSIS
ENGINE
ACTION CODE
GUIDES TO MAINTENANCE
OUTLINE OF SERVICE
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
FUEL
COOLANT AND WATER FOR DILUTION
GREASE
CARRYING OUT KOWA (Komatsu Oil Wear Analysis)
STORING OIL AND FUEL
FILTERS
OUTLINE OF ELECTRIC SYSTEM
WEAR PARTS
WEAR PARTS LIST
RECOMMENDED FUEL, COOLANT, AND LUBRICANT
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
GENUINE OIL
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
TORQUE LIST
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
SAFETY CRITICAL PARTS
MAINTENANCE SCHEDULE CHART
SERVICE PROCEDURE
INITIAL 250 HOURS SERVICE (ONLY AFTER THE FIRST 250 HOURS)
WHEN REQUIRED
CHECK, CLEAN OR REPLACE AIR CLEANER
CLEAN INSIDE OF COOLING SYSTEM
CHECK LEVEL OF WINDOW WASHER FLUID, ADD FLUID
CLEAN AIR CONDITIONER AIR FILTER
CHECK REFRIGERANT (GAS) LEVEL
CHECK DUMP BODY
CHECK LENGTH OF SUSPENSION CYLINDER
BLEED AIR FROM FRONT BRAKE
BLEED AIR FROM CENTRE BRAKE
CHECK PLAY OF OUTPUT COUPLING OF OUTPUT SHAFT
SELECTION AND INSPECTION OF TIRES
ADJUST PARKING BRAKE
CLEAN HYDRAULIC TANK STRAINER
EVERY 50 HOURS SERVICE
LUBRICATION
EVERY 250 HOURS SERVICE
CHECK DRIVE SHAFT
CLEAN OVERFLOW HOSE
CHECK LEVEL OF BATTERY ELECTROLYTE
CHECK FAN BELT AND ALTERNATOR BELT TENSION, ADJUST
CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST
CHECK FRAME, A-ARM
CHECK BRAKING CAPACITY OF FOOT BRAKE
CHECK BRAKING CAPACITY OF RETARDER BRAKE
CHECK BRAKING CAPACITY OF PARKING BRAKE
CHECK WEAR OF PARKING BRAKE PADS
CHECK OF ACCUMULATOR GAS PRESSURE
EVERY 500 HOURS SERVICE
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE
REPLACE FUEL PREFILTER CARTRIDGE
LUBRICATE CAB MOUNT PIN (LEFT AND RIGHT: 1 PLACE EACH)
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL
CHECK OIL LEVEL IN DIFFERENTIAL CASE, ADD OIL
CLEAN, CHECK RADIATOR FINS AND AFTER COOLER FINS
RECOVER OIL LEAKING FROM FLOATING SEAL
EVERY 1000 HOURS SERVICE
REPLACE FUEL MAIN FILTER CARTRIDGE
REPLACE FUEL TANK BREATHER ELEMENT
REPLACE CORROSION RESISTOR CARTRIDGE
REPLACE TRANSMISSION FILTER ELEMENT
CHANGE OIL IN TRANSMISSION CASE
CHANGE OIL IN BRAKE OIL TANK, REPLACE BRAKE OIL FILTER ELEMENT
CHECK WEAR OF BRAKE DISC
CHECK OF ENGINE AIR INTAKE PIPING CLAMPS FOR LOOSENESS
EVERY 2000 HOURS SERVICE
CHANGE OIL IN FINAL DRIVE CASE
CHANGE OIL IN DIFFERENTIAL CASE
REPLACE HYDRAULIC FILTER ELEMENT
CLEAN TRANSMISSION CASE STRAINER
CLEAN BREATHER
CHECK ACCUMULATOR GAS PRESSURE
CHECK ALTERNATOR
CHECK, ADJUST ENGINE VALVE CLEARANCE
CHECK VIBRATION DAMPER
EVERY 4000 HOURS SERVICE
CHANGE OIL IN HYDRAULIC TANK
CHECK STARTING MOTOR
CHECK WATER PUMP
CHECK AIR COMPRESSOR
CHECK FAN PULLEY AND TENSION PULLEY
CHECKING FOR LOOSENESS OF HIGH-PRESSURE CLAMP, HARDENING OF RUBBER
CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER
EVERY 6000 HOURS SERVICE
LUBRICATE DRIVE SHAFT
EVERY 8000 HOURS SERVICE
REPLACE HIGH-PRESSURE PIPING CLAMP
REPLACE FUEL SPRAY PREVENTION CAP
OVERHAUL STARTING MOTOR AND ALTERNATOR
SPECIFICATIONS
GENERAL PRECAUTIONS
AUTHORIZED OPTIONAL EQUIPMENT
PRECAUTIONS RELATED TO SAFETY
PRECAUTIONS REGARDING THE INSTALLATION OF EQUIPMENT
HANDLING AUTOMATIC RETARDER, ACCELERATOR CONTROL (ARAC)
ACTUATION OF ARAC SYSTEM
USE OF REAR VIEW MONITOR
NAME AND FUNCTION OF EACH PART OF REAR VIEW MONITOR
SETTING OF REAR VIEW MONITOR
CAUTIONS WHEN USING REAR VIEW MONITOR
HANDLING DUMPING COUNTER
METHOD OF DISPLAYING, RESETTING DUMPING COUNTER
HANDLING MACHINES EQUIPPED WITH KOMTRAX
BASIC PRECAUTIONS
ENSURING SAFE OPERATION
UNDERSTANDING THE MACHINE
PRECAUTIONS REGARDING SAFETY-RELATED EQUIPMENT
INSPECTING MACHINE
WEAR WELL-FITTING CLOTHES AND PROTECTIVE EQUIPMENT
KEEP MACHINE CLEAN
PRECAUTIONS INSIDE OPERATOR'S COMPARTMENT
PROVIDE FIRE EXTINGUISHER AND FIRST AID KIT
IF ANY PROBLEM IS FOUND
ACTION IF FIRE OCCURS
PRECAUTIONS TO PREVENT FIRE
USE HANDRAILS AND STEPS WHEN GETTING ON OR OFF MACHINE
NO JUMPING ON OR OFF MACHINE
LIFTING OF PERSONNEL PROHIBITED
NO PEOPLE ON DUMP BODY
PRECAUTIONS WHEN STANDING UP FROM OPERATOR'S SEAT
PRECAUTIONS WHEN LEAVING MACHINE
EMERGENCY EXIT FROM OPERATOR'S CAB
INVESTIGATE AND CONFIRM JOBSITE CONDITIONS
WORKING ON LOOSE GROUND
DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES
ENSURE GOOD VISIBILITY
CHECKING SIGNS AND SIGNALMAN'S SIGNALS
BEWARE OF ASBESTOS DUST
USE WARNING TAGS
CHECKS BEFORE STARTING ENGINE
PRECAUTIONS WHEN STARTING ENGINE
PRECAUTIONS IN COLD AREAS
STARTING WITH BOOSTER CABLES
CHECKS BEFORE OPERATION
PRECAUTIONS WHEN TRAVELLING IN FORWARD OR REVERSE
PRECAUTIONS WHEN TRAVELLING
TRAVELLING ON SLOPES
PRECAUTIONS WHEN OPERATING
PRECAUTIONS WHEN LOADING DUMP BODY
PRECAUTIONS WHEN OPERATING DUMP BODY
TRAVELLING ON SNOW-COVERED OR FROZEN SURFACES
LOADING AND UNLOADING
WHEN TOWING
DISPLAY WARNING TAG DURING INSPECTION AND MAINTENANCE
KEEP WORKPLACE CLEAN AND TIDY
STABILITY
GUARDS
SELECT SUITABLE PLACE FOR INSPECTION AND MAINTENANCE
ONLY AUTHORIZED PERSONNEL
APPOINT LEADER WHEN WORKING WITH OTHERS
STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING
INSTALLING, REMOVING, OR STORING ATTACHMENTS
PRECAUTIONS WHEN WORKING AT HIGH PLACES
PRECAUTIONS WHEN WORKING UNDER MACHINE
PROPER TOOLS
PRECAUTIONS WHEN WELDING
HANDLING BATTERY
PRECAUTIONS WHEN USING HAMMER
PRECAUTIONS WITH HIGH-TEMPERATURE COOLANT
PRECAUTIONS WITH HIGH-TEMPERATURE OIL
PRECAUTIONS WITH HIGH-PRESSURE OIL
PRECAUTIONS WITH HIGH-PRESSURE FUEL
HANDLING HIGH-PRESSURE HOSES AND PIPING
NOISE
HANDLING SUSPENSION CYLINDER, ACCUMULATOR, GAS SPRING
PRECAUTIONS WITH COMPRESSED AIR
CHEMICAL HAZARD
MAINTENANCE OF AIR CONDITIONER
DISPOSING OF WASTE MATERIALS
METHOD OF SELECTING WINDOW WASHER FLUID
PRECAUTIONS WHEN STORING TIRES
Inside this manual
Real pages from this operation & maintenance manual (331 pages). Open the sample pages (PDF, 415 KB)
- Controls and operation, page 161: OPERATIONS, CHECKS BEFORE STARTING
- Maintenance, page 276: SERVICE PROCEDURE
- Specifications, page 311: 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, 331 pages
Quantity one is the manual described above.
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Ships in 1 business day.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
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).