Komatsu PC300LL-7L Hydraulic Excavator Operation & Maintenance Manual
283 pages · Publication CEAM012301
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- Models
- PC300LL-7L
- Serial coverage
- PC300LL-7L A85001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 283
- Publication
- CEAM012301
- Condition
- Brand new
What's inside
From the manual's own table of contents: 205 sections, 388 entries. See sample pages (PDF, 428 KB)
FOREWORD
SAFETY INFORMATION
SIGNAL WORDS
OTHER SIGNAL WORDS
INTRODUCTION
INTENDED USE
BREAKING IN THE MACHINE
DIRECTIONS OF MACHINE
PRODUCT INFORMATION
MACHINE SERIAL NUMBER PLATE
ENGINE SERIAL NUMBER PLATE
SERVICE METER LOCATION
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR
SAFETY DECALS
NORMAL EXCAVATOR DECALS
UNIQUE SAFETY DECALS FOR LOG LOADER AND ROAD BUILDER EXCAVATORS
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
Show all 205 sections
INJURY FROM WORK EQUIPMENT
HANDRAILS AND STEPS
MOUNTING AND DISMOUNTING
NO PERSONS ON ATTACHMENTS
BURN PREVENTION2 topics
- HOT COOLANT
- HOT OIL
FIRE PREVENTION AND EXPLOSION PREVENTION5 topics
- 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
PROTECTION AGAINST FALLING OR FLYING OBJECTS
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
BATTERY2 topics
- BATTERY HAZARD PREVENTION
- STARTING ENGINE WITH BOOSTER CABLES
TOWING1 topic
- SAFETY RULES FOR TOWING
LIFTING OBJECTS WITH BUCKET1 topic
- 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 TERMINALS1 topic
- 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 MACHINE1 topic
- GENERAL VIEW CONTROLS AND GAUGES
EXPLANATION OF COMPONENTS
MACHINE MONITOR
BASIC OPERATION OF MACHINE MONITOR2 topics
- IF THERE IS ABNORMALITY WHEN STARTING ENGINE
- IF ANY ABNORMALITY OCCURS DURING OPERATION
BASIC CHECK ITEMS3 topics
- RADIATOR WATER LEVEL MONITOR
- ENGINE OIL LEVEL MONITOR
- MAINTENANCE INTERVAL MONITOR
CAUTION ITEMS5 topics
- CHARGE MONITOR
- FUEL LEVEL MONITOR
- AIR CLEANER CLOGGING MONITOR
- ENGINE WATER TEMPERATURE MONITOR
- HYDRAULIC OIL TEMPERATURE MONITOR
EMERGENCY STOP ITEMS1 topic
- ENGINE OIL PRESSURE MONITOR
METER DISPLAY PORTION3 topics
- PILOT DISPLAY
- SWING LOCK MONITOR
- METERS
MONITOR SWITCHES11 topics
- 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
SWITCHES17 topics
- STARTING SWITCH
- FUEL CONTROL DIAL
- CIGARETTE LIGHTER
- SWING LOCK SWITCH
- LAMP SWITCH
- ALARM BUZZER STOP SWITCH
- MACHINE PUSH UP SWITCH
- HORN SWITCH
- LOG LOADER GRAPPLE ROTATION CW SWITCH
- LOG LOADER GRAPPLE CLOSE SWITCH
- POWER MAX SWITCH
- LOG LOADER GRAPPLE ROTATION CCW SWITCH
- LOG LOADER GRAPPLE OPEN SWITCH
- ROOM LAMP SWITCH
- EMERGENCY PUMP DRIVE SWITCH
- EMERGENCY FUEL SOLENOID DRIVE SWITCH
- SWING BRAKE CANCEL SWITCH
CONTROL LEVERS, PEDALS3 topics
- SAFETY LOCK LEVER
- TRAVEL LEVERS
- WORK EQUIPMENT CONTROL LEVER
CEILING WINDOW2 topics
- WHEN OPENING
- WHEN CLOSING
FRONT WINDOW
FRONT BOTTOM WINDOW
EMERGENCY EXIT FROM OPERATOR'S CAB - FROM INSIDE
DOOR LOCK
CAP, COVER WITH LOCK2 topics
- 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 CONDITIONER4 topics
- GENERAL LOCATION OF CONTROL PANEL
- METHOD OF OPERATION
- PRECAUTIONS WHEN USING AIR CONDITIONER
- CHECK, MAINTAIN MACHINE AIR CONDITIONER
RADIO1 topic
- EXPLANATION OF COMPONENTS
POWER PICK UP PORT2 topics
- 24V POWER SOURCE
- 12V POWER SOURCE
FUSE1 topic
- FUSE CAPACITIES AND CIRCUIT NAMES
FUSIBLE LINK
CONTROLLER (COMPUTER)
TOOLBOX
GREASE GUN HOLDER
HANDLING THE ACCUMULATOR1 topic
- RELEASING PRESSURE IN CONTROL CIRCUIT
MACHINE OPERATIONS AND CONTROLS
BEFORE STARTING ENGINE8 topics
- WALK AROUND CHECKS
- CHECKS BEFORE STARTING
- ADJUSTMENTS BEFORE OPERATION
- ADJUSTMENT OF MIRRORS
- SEAT BELT
- BEFORE STARTING ENGINE
- NORMAL STARTING
- STARTING ENGINE IN COLD WEATHER
AFTER STARTING ENGINE2 topics
- BREAKING IN A NEW MACHINE
- WARM UP OPERATION
AUTOMATIC WARM UP OPERATION
STOPPING THE ENGINE
CHECK AFTER SHUTTING OFF ENGINE
MACHINE OPERATION4 topics
- PREPARATIONS FOR MOVING THE MACHINE
- MOVING MACHINE FORWARD
- MOVING MACHINE BACKWARD
- STOPPING MACHINE
STEERING THE MACHINE3 topics
- STEERING THE MACHINE WHEN STOPPED
- CHANGING DIRECTION OF THE MACHINE
- COUNTER ROTATION TURN, SPIN TURN
SWINGING
EQUIPMENT CONTROLS AND OPERATIONS
OPERATING WORKING MODE9 topics
- 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 INFORMATION6 topics
- TRAVELING
- HIGH SPEED TRAVEL
- PERMISSIBLE WATER DEPTH
- TRAVELING DOWNHILL
- ENGINE STOPPED ON SLOPE
- PRECAUTIONS ON SLOPES
ESCAPE FROM MUD2 topics
- ONE SIDE OF TRACK STUCK
- BOTH SIDES OF TRACKS STUCK
ROAD BUILDER RECOMMENDED APPLICATIONS4 topics
- BACKHOE WORK
- SHOVEL WORK
- DITCHING WORK
- LOADING WORK
REPLACEMENT AND INVERSION OF BUCKET2 topics
- REPLACEMENT
- INVERSION
PARKING THE MACHINE
CHECK AFTER FINISHING WORK
LOCKING
TRANSPORTATION PROCEDURE
LOADING AND UNLOADING WITH TRAILER3 topics
- 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 BATTERY2 topics
- REMOVAL AND INSTALLATION OF BATTERY
- BATTERY CHARGES
OTHER TROUBLE4 topics
- 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 CLINIC6 topics
- FUEL
- COOLING SYSTEM COOLANT
- 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 BREAKER3 topics
- REPLACING HYDRAULIC ELEMENT
- CHANGING OIL IN HYDRAULIC TANK
- REPLACING ADDITIONAL FILTER ELEMENT FOR BREAKER
MAINTENANCE PROCEDURE
INITIAL 10 HOURS MAINTENANCE1 topic
- LUBRICATION ROAD BUILDER MACHINE
INITIAL 250 HOURS MAINTENANCE1 topic
- REPLACE THE FUEL FILTER CARTRIDGE
INITIAL 1000 HOURS MAINTENANCE
WHEN REQUIRED15 topics
- 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 STARTING8 topics
- 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 250 HOURS MAINTENANCE6 topics
- LUBRICATION
- 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 (3 POINTS)
- CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT
EVERY 500 HOURS MAINTENANCE6 topics
- PREVIOUS MAINTENANCE
- CHECK THE SWING PINION GREASE LEVEL, ADD GREASE
- CHANGE ENGINE OIL, REPLACE FILTER CARTRIDGE
- CLEAN AND INSPECT RADIATOR, OIL COOLER, AFTERCOOLER AND CONDENSER FINS
- CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER SYSTEM
- REPLACE BREATHER ELEMENT IN HYDRAULIC TANK CAP
EVERY 1000 HOURS MAINTENANCE7 topics
- 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 MAINTENANCE7 topics
- 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 MAINTENANCE1 topic
- CHECK WATER PUMP
EVERY 5000 HOURS MAINTENANCE1 topic
- 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 HOOK1 topic
- PRECAUTIONS DURING OPERATIONS
COMBINATIONS OF WORK EQUIPMENT FOR PC300LL-7
SELECTION OF TRACK SHOES
Inside this manual
Real pages from this operation & maintenance manual (283 pages). Open the sample pages (PDF, 427 KB)
- Controls and operation, page 98: TRAVEL LEVERS
- Maintenance, page 218: MAINTENANCE PROCEDURE
- Specifications, page 270: 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, 283 pages
Quantity one is the manual described above.
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