Komatsu PC450-8, PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual
475 pages · Publication UEAM007200
Fast free USA shippingShips in 1 business daySave 10% on 2 manuals, 15% on 3 or morePay by credit or debit card or with PayPal. No PayPal account needed.
Added to your cart. View cart
What's inside
From the manual's own table of contents: 389 topics. See sample pages (PDF, 382 KB)
- FOREWORD
- SAFETY INFORMATION
- Noise emission levels
- Vibration levels
- Guide to Reduce Vibration Levels on Machine
- INTRODUCTION
- DIRECTIONS OF MACHINE
- VISIBILITY FROM OPERATOR'S SEAT
- PROXIMITY VISIBILITY
- 12M CIRCUMFERENCE VISIBILITY
- BREAKING-IN THE NEW MACHINE
- PRODUCT INFORMATION
- PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
- EPA REGULATIONS, ENGINE NUMBER PLATE
- SERVICE METER LOCATION
- YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR
- MACHINE SERIAL PLATE
- SAFETY LABELS
- LOCATION OF SAFETY LABELS
- SAFETY MACHINE OPERATION
- STARTING ENGINE
- OPERATION
- TRANSPORTATION
- BATTERY
Show all 389 topics
- TOWING
- LIFTING OBJECTS WITH BUCKET
- SAFETY MAINTENANCE INFORMATION
- MACHINE VIEW ILLUSTRATIONS
- OVERALL MACHINE VIEW
- CONTROLS AND GAUGES
- Machine Monitor
- DETAILED CONTROLS AND GAUGES
- MONITORING SYSTEM
- Basic Operation of Machine Monitor
- Emergency Monitors
- Caution Monitors
- Basic Check Monitors
- Meter Display Portion
- Monitor Switches Portion
- Handling Function Switches
- Attachment 2 Setting
- SWITCHES
- CONTROL LEVERS AND PEDALS
- SUN ROOF
- WINDSHIELD
- EMERGENCY ESCAPE HAMMER
- DOOR LOCK
- CAP WITH LOCK
- DRINK BOX
- MAGAZINE BOX
- ASHTRAY
- AIR CONDITIONER CONTROLS
- Air Conditioner Control Panel
- Method of Operation
- Use Air Conditioner with Care
- Inspection and maintenance of Air Conditioner Equipped Machine
- RADIO
- Control Panel
- Controls of Radio
- Use Radio with Care
- Space for radio cassette
- AUXILIARY ELECTRIC POWER
- 24V Power Source
- 12V Power Source
- FUSE
- FUSIBLE LINK
- CONTROLLER
- TOOL BOX
- GREASE PUMP HOLDER
- FIRE EXTINGUISHER
- REFUELLING PUMP
- ACCUMULATOR
- Releasing Hydraulic Pressure With Accumulator
- MACHINE OPERATIONS AND CONTROLS
- BEFORE STARTING ENGINE
- Walk-around Checks
- Checks Before Starting
- Adjustment
- Seat Belt
- Operations Before Starting Engine
- AFTER STARTING ENGINE
- Engine Warm Up
- Hydraulic Equipment Warm Up
- Operation After Completion Of Warm-Up Operation
- STOPPING THE ENGINE
- MACHINE OPERATION
- Preparations for Moving the Machine
- Moving Machine Forward
- Moving Machine Backward
- Stopping Machine
- STEERING THE MACHINE
- Steering
- SWINGING
- WORK EQUIPMENT CONTROLS AND OPERATIONS
- WORKING MODE
- PROHIBITED OPERATIONS
- GENERAL OPERATION INFORMATION
- TRAVELING ON SLOPES
- ESCAPE FROM MUD
- Track on One Side Stuck
- Tracks on Both Sides Stuck
- RECOMMENDED APPLICATIONS
- Backhoe Work
- Shovel Work
- Ditching Work
- Loading Work
- BUCKET REPLACEMENT AND INVERSION
- Replacement
- Inversion
- PARKING MACHINE
- MACHINE INSPECTION AFTER DAILY WORK
- LOCKING
- TRANSPORTATION PROCEDURE
- LOADING AND UNLOADING WITH TRAILER
- Loading
- Securing Machine
- Unloading
- LIFTING MACHINE
- TRANSPORTATION POSTURE
- PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE
- COLD WEATHER OPERATION
- COLD WEATHER OPERATION INFORMATION
- Fuel and Lubricants
- Cooling System Coolant
- AFTER DAILY WORK COMPLETION
- AFTER COLD WEATHER SEASON
- LONG TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- STARTING MACHINE AFTER LONG-TERM STORAGE
- TROUBLES AND ACTIONS
- RUNNING OUT OF FUEL
- PHENOMENA THAT ARE NOT FAILURES
- TOWING THE MACHINE
- LIGHTWEIGHT TOWING HOLE
- SEVERE JOB CONDITION
- DISCHARGED BATTERY
- Battery Removal and Installation
- Battery Charges
- Starting Engine with Booster Cables
- OTHER TROUBLE
- Electrical System
- Chassis
- Engine
- Electronic Control System
- Point of Contact to Telephone when Error Occurs
- MAINTENANCE INFORMATION
- 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
- ELECTRIC SYSTEM MAINTENANCE
- WEAR PARTS
- WEAR PARTS LIST
- RECOMMENDED FUEL, COOLANT, AND LUBRICANT
- GENUINE OIL
- TIGHTENING TORQUE SPECIFICATIONS
- TIGHTENING TORQUE LIST
- SAFETY CRITICAL PARTS
- SAFETY CRITICAL PARTS LIST
- MAINTENANCE SCHEDULE
- MAINTENANCE SCHEDULE CHART
- MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER
- MAINTENANCE PROCEDURE
- INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS)
- 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
- REPLACE BUCKET TEETH (VERTICAL PIN TYPE)
- REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE)
- REPLACE BUCKET SIDE CUTTER, SHROUD
- ADJUST BUCKET CLEARANCE
- CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID
- CHECK AND MAINTENANCE AIR CONDITIONER
- WASH WASHABLE FLOOR
- BLEEDING AIR FROM HYDRAULIC SYSTEM
- CHECK BEFORE STARTING
- EVERY 50 HOURS MAINTENANCE
- LUBRICATING
- EVERY 250 HOURS MAINTENANCE
- LUBRICATE SWING CIRCLE
- CHECK LEVEL OF BATTERY ELECTROLYTE
- CHECK FAN BELT, ALTERNATOR BELT TENSION, ADJUST
- CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST
- EVERY 500 HOURS MAINTENANCE
- REPLACE FUEL PRE-FILTER CARTRIDGE
- CHECK SWING PINION GREASE LEVEL, ADD GREASE
- CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE
- CONDENSER FINS
- CLEAN AIR CONDITIONER FRESH/RECIRC FILTERS
- REPLACE BREATHER ELEMENT IN HYDRAULIC TANK
- CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL
- CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL
- EVERY 1000 HOURS MAINTENANCE
- REPLACE FUEL MAIN FILTER CARTRIDGE
- REPLACE HYDRAULIC OIL FILTER ELEMENT
- CHANGE OIL IN SWING MACHINERY CASE
- CHECK OIL LEVEL IN DAMPER CASE, ADD OIL
- CHECK ALL TIGHTENING POINTS OF ENGINE EXHAUST PIPE CLAMPS
- REPLACE HYDRAULIC TANK ADDITIONAL BREATHER ELEMENT
- CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (for breaker)
- REPLACE CORROSION RESISTOR CARTRIDGE
- EVERY 2000 HOURS MAINTENANCE
- CHANGE OIL IN FINAL DRIVE CASE
- CLEAN HYDRAULIC TANK STRAINER
- CIRCUIT)
- CHECK ALTERNATOR
- CHECK ENGINE VALVE CLEARANCE, ADJUST
- CHECK VIBRATION DAMPER
- EVERY 4000 HOURS MAINTENANCE
- CHECK WATER PUMP
- CHECK STARTING MOTOR
- REPLACE ACCUMULATOR (FOR CONTROL CIRCUIT)
- CHECK FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER
- EVERY 5000 HOURS MAINTENANCE
- CHANGE OIL IN HYDRAULIC TANK
- EVERY 8000 HOURS MAINTENANCE
- REPLACE HIGH-PRESSURE PIPING CLAMP
- REPLACE FUEL SPRAY PREVENTION CAP
- SPECIFICATIONS
- GENERAL PRECAUTIONS FOR SAFETY
- PRECAUTIONS WHEN SELECTING
- READ THE INSTRUCTION MANUAL THOROUGHLY
- PRECAUTIONS WHEN REMOVING OR INSTALLING
- PRECAUTIONS WHEN USING
- HYDRAULIC QUICK COUPLER PIPING
- LOCATIONS
- BUCKET WITH HOOK
- HOOK CONDITION
- MACHINE READY FOR ATTACHMENT
- HYDRAULIC CIRCUIT
- Switching Hydraulic Circuit
- Adjusting Oil Flow
- Switching Between Breaker and General Attachment
- Hydraulic Circuit Connection
- Oil Flow Path
- Replace Additional Breaker Filter Element
- ATTACHMENT REMOVAL AND INSTALLATION
- Attachment Removal
- Attachment Installation
- ATTACHMENT OPERATIONS
- Operation When Using Breaker
- Operation When Using General Attachment 1 (e.g. Crusher)
- Working Mode Selection
- Operation When Using Attachment 2 (e.g clamshell rotation, crusher rotation)
- ATTACHMENT GUIDE
- ATTACHMENT COMBINATIONS
- SELECTION OF TRACK SHOES
- METHOD OF SELECTING SHOES
- RECOMMENDED ATTACHMENT OPERATIONS
- HYDRAULIC BREAKER
- HANDLING MACHINES EQUIPPED WITH KOMTRAX
- BASIC PRECAUTIONS
- SUPER LONG FRONT BOOM AND ARM
- OPERATION INSTRUCTION
- WORKING MODES
- USING SUPER LONG FRONT
- METHOD OF WORK
- WHEN TRAVELLING
- CONTROL LEVERS, PEDALS
- TRANSPORT & STORAGE OF SUPER LONG FRONT MACHINE
- INSTALLATION OF SUPPORTING LINK
- TRANSPORTATION OF SUPER LONG FRONT MACHINE
- WORKING RANGE OF SUPER LONG FRONT
- LIFTING CAPACITY PC450 LC 20m SUPER LONG FRONT
- MAINTENANCE
- SPECIAL SERVICE REQUIREMENTS FOR SUPER LONG FRONT WORK EQUIPMENT
- EVERY 50 HOURS SERVICE
- EVERY 100 HOURS SERVICE
- GENERAL VIEW OF MACHINE
- CAUTION ITEMS
- POSITION FOR ATTACHING SAFETY LABELS
- CONTROL LEVERS AND SWITCHES
- SAFETY LOCK LEVER
- TRAVEL LEVERS
- WORK EQUIPMENT CONTROL LEVERS
- ATTACHMENT ROTATION (with auto-deceleration)
- INTERMEDIATE LINK CONTROL PEDAL (with auto-deceleration)
- CRUSHER CONTROL FOR OPENING AND CLOSING
- TILTING CAB MECHANISM OPERATION
- BOOM ANGLE ALARM BUZZER CANCEL SWITCH
- CEILING WINDOW WIPER SWITCH
- FUNCTION CHECK
- PRECAUTIONS WHEN OPERATING
- PROHIBITON OF WORK OUTSIDE SPECIFIED WORKING RANGE
- PROHIBITION OF WORK AT THE STROKE END OF A CYLINDER
- PROHIBITION OF WORK WITH HYDRAULIC BREAKER
- WHEN WORKING IN MEDIUM REACH CONFIGURATION
- ADJUSTMENT OF HYDRAULIC VARIABLE GAUGE UNDERCARRIAGE, (Where Fitted)
- OPERATING WORK EQUIPMENT
- ATTACHMENT CONTROL
- RAISING WORK EQUIPMENT
- WORKING RANGE AND USING RANGE OF BOOM
- POSTURE WHEN LEAVING MACHINE
- DEMOLITION DIGGING BOOM INSTALLATION AND REMOVAL
- PROCEDURE FOR INSTALLATION AND REMOVAL OF DEMOLITION DIGGING EQUIPMENT
- REMOVAL OF HIGH REACH WORK EQUIPMENT
- FITTING DEMOLITION DIGGING EQUIPMENT
- REMOVAL OF DEMOLITION DIGGING EQUIPMENT
- CONNECTING DIGGING ARM TO DEMOLITION DIGGING BOOM
- MEDIUM REACH
- PURGING AIR PROCEDURES
- PURGING PROCEDURE TO REMOVE AIR FROM HYDRAULIC CYLINDER LINES
- PROCEDURE FOR PURGING AIR FROM BOOM LOCK VALVE PPC CIRCUIT
- ARM CYLINDER
- (high reach demolition equipment fitted)
- PROCEDURE FOR LOADING ON TO TRAILER
- TRANSPORTATION (demolition digging equipment fitted)
- TRANSPORTATION (high reach demolition equipment alone)
- WORKING RANGE (PC450LCD HIGH REACH)
- WORKING RANGE (PC450LCD MEDIUM REACH)
- WORKING RANGE (PC450LCD LOW REACH)
- WORKING RANGE (PC450LCD DIGGING)
- WEIGHTS AND DIMENSIONS
- TRANSPORTATION (High and Medium Reach work equipment) - PC450LCD
- TRANSPORTATION (Digging equipment) - PC450LCD
- EXPLANATION OF LIFTING CAPACITY CHART
- Safety rules
- If problems 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
- Precautions when working in high place
- Mounting and dismounting
- No persons on attachments
- Do not get caught in articulated portion
- Burn prevention
- Fire prevention and explosion prevention
- Action if fire occurs
- Windshield washer fluid
- Falling objects, flying objects and intruding objects prevention
- Cab window glasses
- 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
- Checks before starting engine
- Safety rules for starting engine
- Starting engine in cold weather
- Checks before operation
- Safety rules for changing machine directions
- Safety rules for traveling
- Operations on slopes
- Operations on snow
- Loading and unloading
- Shipping the machine
- Battery hazard prevention
- Safety rules for towing
- Safety rules for lifting objects
- 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, Gas spring
- Personnel
- Attachments
- Work Under the Machine
- Noise
- When Using Hammer
- Welding Works
- Removing Battery Terminals
- Safety First when Using High-pressure Grease to Adjust Track Tension
- Do Not Disassemble Recoil Springs
- Safety Rules for High-pressure Oil
- Precaution for High Fuel Pressure
- Safety Handling High-pressure Hoses
- Precaution for High Voltage
- Waste Materials
- Air Conditioner Maintenance
- Compressed Air
- Periodic Replacement of Safety Critical Parts
Inside this manual
Real pages from this operation & maintenance manual (475 pages). Open the sample pages (PDF, 381 KB)
- Controls and operation, page 155: DETAILED CONTROLS AND GAUGES
- Maintenance, page 316: MAINTENANCE
- Specifications, page 358: SPECIFICATIONS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals 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 UEAM007200$69.77
Added to your cart. View cart
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, 475 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
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.
Other editions and similar models
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).