Komatsu PC300LC-7L, PC300HD-7L Hydraulic Excavator Operation & Maintenance Manual
287 pages · Publication CEAM008803
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- Models
- PC300LC-7L, PC300HD-7L
- Serial coverage
- PC300LC-7L A85001 and up, PC300HD-7L A85001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 287
- Publication
- CEAM008803
- Condition
- Brand new
What's inside
From the manual's own table of contents: 395 topics. See sample pages (PDF, 448 KB)
- FOREWORD
- SAFETY INFORMATION
- SIGNAL WORDS
- OTHER SIGNAL WORDS
- INTRODUCTION
- DIRECTIONS OF MACHINE
- PRODUCT INFORMATION
- MACHINE SERIAL NUMBER PLATE
- ENGINE SERIAL NUMBER PLATE
- SERVICE METER LOCATION
- YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR
- SAFETY LABELS
- SAFETY RULES
- IF ABNORMALITIES ARE FOUND
- WORKING WEAR AND PERSONAL PROTECTIVE ITEMS
- FIRE EXTINGUISHER AND FIRST AID KIT
- SAFETY EQUIPMENT
- KEEP MACHINE CLEAN
- KEEP OPERATOR'S COMPARTMENT CLEAN
- LEAVING OPERATOR'S SEAT WITH LOCK
- HANDRAILS AND STEPS
- MOUNTING AND DISMOUNTING
- NO PERSONS ON ATTACHMENTS
- BURN PREVENTION
Show all 395 topics
- HOT COOLANT
- HOT OIL
- FIRE PREVENTION AND EXPLOSION PREVENTION
- FIRE CAUSED BY FUEL OR OIL
- FIRE CAUSED BY ACCUMULATION OF FLAMMABLE MATERIAL
- FIRE COMING FROM ELECTRIC WIRING
- FIRE COMING FROM HYDRAULIC LINE
- EXPLOSION CAUSED BY LIGHTING EQUIPMENT
- ACTION IF FIRE OCCURS
- WINDSHIELD WASHER FLUID
- FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION
- ATTACHMENT INSTALLATION
- ATTACHMENT COMBINATIONS
- CAB WINDOW GLASS
- UNAUTHORIZED MODIFICATIONS
- SAFETY AT JOBSITE
- WORKING ON LOOSE GROUND
- DISTANCE TO HIGH VOLTAGE CABLES
- ENSURE GOOD VISIBILITY
- VENTILATION FOR ENCLOSED AREA
- SIGNALMAN'S SIGNAL AND SIGNS
- EMERGENCY EXIT FROM OPERATOR'S CAB
- ASBESTOS DUST HAZARD PREVENTION
- SAFE MACHINE OPERATION
- STARTING ENGINE
- CHECKS BEFORE STARTING ENGINE
- SAFETY RULES FOR STARTING ENGINE
- STARTING ENGINE IN COLD WEATHER
- OPERATION
- CHECKS AFTER STARTING ENGINE, BEFORE OPERATION
- SAFETY RULES FOR CHANGING MACHINE DIRECTIONS
- SAFETY RULES FOR TRAVELING
- TRAVELING ON SLOPES
- OPERATIONS ON SLOPES
- PROHIBITED OPERATIONS
- OPERATIONS ON SNOW
- PARKING MACHINE
- TRANSPORTATION
- SHIPPING THE MACHINE
- BATTERY
- BATTERY HAZARD PREVENTION
- STARTING ENGINE WITH BOOSTER CABLES
- TOWING
- SAFETY RULES FOR TOWING
- LIFTING OBJECTS WITH THE BUCKET
- SAFETY RULES FOR LIFTING OBJECTS
- SAFETY MAINTENANCE INFORMATION
- WARNING TAG
- KEEP WORK PLACE CLEAN AND TIDY
- APPOINT LEADER WHEN WORKING WITH OTHERS
- STOP ENGINE BEFORE CARRYING OUT MAINTENANCE
- TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING
- PROPER TOOLS
- ACCUMULATOR
- PERSONNEL
- ATTACHMENTS
- NOISE
- WHEN USING HAMMER
- WELDING
- REMOVING BATTERY TERMINALS
- ADJUSTING TRACK TENSION
- DO NOT DISASSEMBLE RECOIL SPRINGS
- SAFETY RULES FOR HIGH PRESSURE OIL
- SAFETY HANDLING HIGH PRESSURE HOSES
- WASTE MATERIALS
- AIR CONDITIONER MAINTENANCE
- COMPRESSED AIR
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- GENERAL VIEW
- GENERAL VIEW OF MACHINE
- GENERAL VIEW CONTROLS AND GAUGES
- EXPLANATION OF COMPONENTS
- MACHINE MONITOR
- BASIC OPERATION OF MACHINE MONITOR
- IF THERE IS A PROBLEM WHEN STARTING THE ENGINE
- IF ANY PROBLEM OCCURS DURING OPERATION
- BASIC CHECK ITEMS
- RADIATOR WATER LEVEL MONITOR
- ENGINE OIL LEVEL MONITOR
- MAINTENANCE INTERVAL MONITOR
- CAUTION ITEMS
- CHARGE MONITOR
- FUEL LEVEL MONITOR
- AIR CLEANER CLOGGING MONITOR
- ENGINE WATER TEMPERATURE MONITOR
- HYDRAULIC OIL TEMPERATURE MONITOR
- EMERGENCY STOP ITEMS
- ENGINE OIL PRESSURE MONITOR
- METER DISPLAY PORTION
- PILOT DISPLAY
- SWING LOCK MONITOR
- METERS
- MONITOR SWITCHES
- WORKING MODE SELECTOR SWITCH (BASIC SWITCH)
- AUTO DECELERATION SWITCH
- TRAVEL SPEED SELECTOR SWITCH
- WIPER SWITCH
- WINDOW WASHER SWITCH
- MAINTENANCE SWITCH
- SELECT SWITCH
- BACK SWITCH
- UP SWITCH, DOWN SWITCH
- INPUT CONFIRMATION SWITCH
- LIQUID CRYSTAL MONITOR ADJUSTMENT SWITCH
- SWITCHES
- STARTING SWITCH
- FUEL CONTROL DIAL
- CIGARETTE LIGHTER
- SWING LOCK SWITCH
- LAMP SWITCH
- ALARM BUZZER STOP SWITCH
- MACHINE PUSH UP SWITCH
- HORN SWITCH
- KNOB SWITCH
- ROOM LAMP SWITCH
- AUXILIARY PUMP DRIVE SWITCH
- AUXILIARY FUEL SOLENOID DRIVE SWITCH
- SWING BRAKE CANCEL SWITCH
- ROTATING LAMP SWITCH
- CONTROL LEVERS, PEDALS
- SAFETY LOCK LEVER
- TRAVEL LEVERS
- WORK EQUIPMENT CONTROL LEVER
- CEILING WINDOW
- WHEN OPENING
- WHEN CLOSING
- FRONT WINDOW
- FRONT BOTTOM WINDOW
- DOOR LOCK
- CAP, COVER WITH LOCK
- METHOD OF OPENING AND CLOSING CAP WITH LOCK
- METHOD OF OPENING AND CLOSING COVER WITH LOCK
- HOT AND COOL BOX
- MAGAZINE BOX WITH CUP HOLDER
- ASHTRAY
- AIR CONDITIONER
- GENERAL LOCATION OF CONTROL PANEL
- METHOD OF OPERATION
- PRECAUTIONS WHEN USING AIR CONDITIONER
- CHECK, MAINTAIN MACHINE AIR CONDITIONER
- RADIO
- POWER PICK UP PORT
- 24V POWER SOURCE
- 12V POWER SOURCE
- FUSE
- FUSE CAPACITIES AND CIRCUIT NAMES
- FUSIBLE LINK
- CONTROLLER (COMPUTER)
- TOOLBOX
- GREASE GUN HOLDER
- HANDLING THE ACCUMULATOR
- RELEASING PRESSURE IN CONTROL CIRCUIT
- MACHINE OPERATIONS AND CONTROLS
- BEFORE STARTING ENGINE
- WALK AROUND CHECKS
- CHECKS BEFORE STARTING
- ADJUSTMENTS BEFORE OPERATION
- ADJUSTMENT OF MIRRORS
- SEAT BELT
- NORMAL STARTING
- AFTER STARTING ENGINE
- BREAKING IN A NEW MACHINE
- WARM UP OPERATION
- AUTOMATIC WARM UP OPERATION
- STOPPING THE ENGINE
- CHECK AFTER SHUTTING OFF ENGINE
- MACHINE OPERATION
- PREPARATIONS FOR MOVING THE MACHINE
- MOVING MACHINE FORWARD
- MOVING MACHINE BACKWARD
- STOPPING MACHINE
- STEERING THE MACHINE
- STEERING THE MACHINE WHEN STOPPED
- CHANGING DIRECTION OF THE MACHINE
- COUNTER ROTATION TURN, SPIN TURN
- SWINGING
- EQUIPMENT CONTROLS AND OPERATIONS
- OPERATING WORKING MODE
- WORKING MODE
- ONE TOUCH POWER MAX SWITCH
- OPERATIONS USING SWING FORCE
- OPERATIONS USING TRAVEL FORCE
- OPERATIONS USING CYLINDER STROKE ENDS
- OPERATIONS USING BUCKET DROPPING FORCE
- OPERATIONS USING MACHINE DROPPING FORCE
- DIGGING HARD ROCKY GROUND
- SUDDEN LEVER SHIFTING HIGH SPEED TRAVEL
- GENERAL OPERATION INFORMATION
- TRAVELING
- HIGH SPEED TRAVEL
- PERMISSIBLE WATER DEPTH
- TRAVELING DOWNHILL
- ENGINE STOPPED ON SLOPE
- PRECAUTIONS ON SLOPES
- ESCAPE FROM MUD
- ONE SIDE OF TRACK STUCK
- BOTH SIDES OF TRACKS STUCK
- RECOMMENDED APPLICATIONS
- BACKHOE WORK
- SHOVEL WORK
- DITCHING WORK
- LOADING WORK
- REPLACEMENT AND INVERSION OF BUCKET
- REPLACEMENT
- INVERSION
- PARKING THE MACHINE
- CHECK AFTER FINISHING WORK
- LOCKING
- TRANSPORTATION PROCEDURE
- LOADING AND UNLOADING WITH TRAILER
- LOADING
- SECURING THE MACHINE
- UNLOADING
- LIFTING THE MACHINE
- COLD WEATHER OPERATION
- FUEL AND LUBRICANTS
- COOLING SYSTEM COOLANT
- AFTER OPERATIONS
- AFTER COLD WEATHER SEASON
- LONG TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- TROUBLESHOOTING
- AFTER RUNNING OUT OF FUEL
- PHENOMENA THAT ARE NOT FAILURES
- TOWING THE MACHINE
- LIGHTWEIGHT TOWING HOOK
- PRECAUTIONS ON PARTICULAR JOB SITES
- DISCHARGED BATTERY
- REMOVAL AND INSTALLATION OF BATTERY
- BATTERY CHARGES
- OTHER TROUBLE
- ELECTRICAL SYSTEM
- CHASSIS
- ENGINE
- ELECTRONIC CONTROL SYSTEM
- MAINTENANCE INFORMATION
- SERVICE METER READING
- GENUINE KOMATSU REPLACEMENT PARTS
- GENUINE KOMATSU LUBRICANTS
- FRESH AND CLEAN LUBRICANTS
- CHECK DRAINED OIL AND USED FILTER
- FUEL STRAINER
- WELDING INSTRUCTIONS
- DO NOT DROP THINGS INSIDE MACHINE
- DUSTY JOBSITE
- AVOID MIXING LUBRICANTS
- LOCKING THE INSPECTION COVERS
- HYDRAULIC SYSTEM - AIR BLEEDING
- HYDRAULIC HOSE INSTALLATION
- CHECKS AFTER INSPECTION AND MAINTENANCE WORKS
- SELECTING FUEL AND LUBRICANTS TO MATCH AMBIENT TEMPERATURE
- LUBRICANTS, COOLANT AND FILTERS
- HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
- FUEL
- GREASE
- CARRYING OUT KOWA (KOMATSU OIL WEAR ANALYSIS)
- OIL AND FUEL STORAGE
- FILTERS
- ELECTRIC SYSTEM MAINTENANCE
- HANDLING HYDRAULIC SYSTEM
- WEAR PARTS LIST
- USE OF FUEL, COOLANT AND LUBRICANTS
- PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS
- TIGHTENING TORQUE SPECIFICATIONS
- BOLT IDENTIFICATION CHART
- SAFETY CRITICAL PARTS
- MAINTENANCE SCHEDULE CHART
- MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER
- REPLACING HYDRAULIC ELEMENT
- CHANGING OIL IN HYDRAULIC TANK
- REPLACING ADDITIONAL FILTER ELEMENT FOR BREAKER
- MAINTENANCE PROCEDURE
- INITIAL 10 HOURS MAINTENANCE
- LUBRICATION
- INITIAL 250 HOURS MAINTENANCE
- REPLACE THE FUEL FILTER CARTRIDGE
- INITIAL 1000 HOURS MAINTENANCE
- WHEN REQUIRED
- CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT
- CLEAN INSIDE OF COOLING SYSTEM
- CHECK AND TIGHTEN TRACK SHOE BOLTS
- CHECK AND ADJUST TRACK TENSION
- CHECK ELECTRICAL INTAKE AIR HEATER
- REPLACE THE BUCKET TEETH (PARABOLIC TEETH)
- REPLACE THE BUCKET TEETH (SERIES 5 TEETH)
- REPLACE THE BUCKET TEETH (KVX TEETH)
- ADJUST BUCKET CLEARANCE
- CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID
- CHECK AND ADJUST AIR CONDITIONER
- CLEANING CAB FLOOR
- METHOD OF SETTING THE MACHINE ANGLE
- BLEEDING AIR FROM HYDRAULIC SYSTEM
- RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT
- CHECK BEFORE STARTING
- CHECK COOLANT LEVEL, ADD COOLANT
- CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL
- CHECK FUEL LEVEL, ADD FUEL
- DRAIN WATER, SEDIMENT FROM FUEL TANK
- CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR
- CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL
- CHECK ELECTRIC WIRING
- CHECK HORN FUNCTION
- EVERY 50 HOURS MAINTENANCE
- EVERY 250 HOURS MAINTENANCE
- CHECK OIL LEVEL IN MACHINERY CASE, ADD OIL
- CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL
- CHECK LEVEL OF BATTERY ELECTROLYTE
- LUBRICATE SWING CIRCLE (2 POINTS)
- CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT
- EVERY 500 HOURS MAINTENANCE
- PREVIOUS MAINTENANCE
- CHECK THE SWING PINION GREASE LEVEL, ADD GREASE
- CHANGE ENGINE OIL, REPLACE FILTER CARTRIDGE
- CONDENSER FINS
- CLEAN AIR CONDITIONER SYSTEM AIR FILTERS
- REPLACE BREATHER ELEMENT IN HYDRAULIC TANK CAP
- EVERY 1000 HOURS MAINTENANCE
- REPLACE HYDRAULIC FILTER ELEMENT
- CHANGE OIL IN SWING MACHINERY CASE
- CHECK OIL LEVEL IN DAMPER CASE, ADD OIL
- REPLACE THE CORROSION RESISTOR CARTRIDGE
- CHECK ALL TIGHTENING PARTS OF TURBOCHARGER
- CHECK PLAY OF TURBOCHARGER ROTOR
- CHECK FAN BELT TENSION AND REPLACE FAN BELT
- EVERY 2000 HOURS MAINTENANCE
- CHANGE OIL IN FINAL DRIVE CASE
- CLEAN HYDRAULIC TANK STRAINER
- CLEAN THE ENGINE BREATHER
- CLEAN, CHECK TURBOCHARGER
- CHECK ALTERNATOR, STARTING MOTOR
- CHECK ENGINE VALVE CLEARANCE, ADJUST
- CHECK VIBRATION DAMPER
- EVERY 4000 HOURS MAINTENANCE
- CHECK WATER PUMP
- EVERY 5000 HOURS MAINTENANCE
- CHANGE OIL IN HYDRAULIC TANK
- SPECIFICATIONS
- DIMENSIONS
- WORKING RANGE
- LIFTING CAPACITY
- GENERAL PRECAUTIONS
- SAFETY RELATED PRECAUTIONS
- PRECAUTIONS WHEN INSTALLING ATTACHMENTS
- HANDLING THE BUCKET WITH HOOK
- CHECKING FOR DAMAGE TO BUCKET HOOK
- PRECAUTIONS DURING OPERATIONS
- MACHINES READY FOR ATTACHMENTS
- STOP VALVE
- SELECTOR VALVE
- ATTACHMENT CONTROL PEDAL
- LOCK PIN
- ADDITIONAL FILTER FOR BREAKER
- HYDRAULIC CIRCUIT
- SWITCHING THE HYDRAULIC CIRCUIT
- ADJUSTING OIL FLOW
- SWITCHING BETWEEN BREAKER AND GENERAL ATTACHMENT
- HYDRAULIC CIRCUIT CONNECTION
- PATH OF OIL
- REPLACE ADDITIONAL BREAKER FILTER ELEMENT
- ATTACHMENT INSTALLATION AND REMOVAL
- REMOVAL
- INSTALLATION
- WHEN USING BREAKER
- WHEN USING CRUSHER OR OTHER GENERAL ATTACHMENT
- COMBINATIONS OF WORK EQUIPMENT FOR PC300LC-7
- ATTACHMENT OPERATIONS
- HYDRAULIC BREAKER
- MAIN APPLICATIONS
- GREASING POSITION FOR HYDRAULIC BREAKER
Inside this manual
Real pages from this operation & maintenance manual (287 pages). Open the sample pages (PDF, 446 KB)
- Controls and operation, page 98: Temperature Set Switch
- Maintenance, page 238: MAINTENANCE
- Specifications, page 262: SPECIFICATIONS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the PC300LC-7L, PC300HD-7L 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 CEAM008803$69.77
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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, 287 pages
Quantity one is the manual described above.
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