Komatsu PC490-11E0, PC490LC-11E0, PC490HRD-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01912)

Komatsu PC490-11E0, PC490LC-11E0, PC490HRD-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01912)

Format: PDF (Printable Document)

File Language: English

File Pages: 860

File Size: 191.55 MB (Speed Download Link)

Brand: Komatsu

Model: PC490-11E0, PC490LC-11E0, PC490HRD-11E0 Hydraulic Excavator

Book No: UENAM01912

Type of Document: Operation and Maintenance Manual

Categories: Komatsu PDF, PDF

$ 40

Komatsu PC490-11E0, PC490LC-11E0, PC490HRD-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01912)

On a PC490 working quarry faces, demolition piles, or deep trench work, this Operation and Maintenance Manual is what I’d keep close to keep the machine earning and out of the workshop. It walks you through the daily and periodic checks so you can spot loosened pins, early hose damage, or cooling issues before they turn into a full-stop breakdown. If, for example, the machine starts running hot after a long dig cycle, this is the book I’d use to trace through the basic checks in order—radiator cleanliness, fan area, coolant level, and operator settings—before calling in heavier diagnostics.

Applications & Use Cases

Plan a realistic service rhythm so the machine is down for maintenance on your terms, not when it fails.
Follow step‑by‑step inspection logic to catch wear in undercarriage, boom, and attachment joints early.
Verify correct warm‑up and shutdown habits to protect the engine and hydraulic system.
Use the recommended checks to monitor hydraulic performance and isolate small leaks or slow functions.
Align operator practices across shifts so everyone treats the PC490, LC, and HRD variants the same way.

FAQ

Q: Can I keep a digital copy on a tablet in the cab?

A: Yes, it’s practical to use a searchable PDF on a tablet, then print key pages you need at the service truck.

Q: Is this still useful if my dealer handles major repairs?

A: Definitely; it helps you handle daily care and spot problems early so dealer work is shorter and less costly.

Safety Note

Always follow the manual’s lockout, support, and pressure‑relief steps before inspecting or working on the machine.

📘 Show Index

Komatsu PC490-11E0, PC490LC-11E0, PC490HRD-11E0 Hydraulic Excavator Index:

FOREWORD
- READ THIS MANUAL
- KOMATSU MACHINE OPERATOR PRIVACY POLICY
- SAFETY INFORMATION
- SAFETY LABELS
- NOISE
- VIBRATION LEVELS
  - VIBRATION – OPERATING CONDITION
  - GUIDE TO REDUCE VIBRATION LEVELS ON MACHINE
- INTRODUCTION
  - MAIN USE OF MACHINE
  - DEMOLITION WORK
  - DIRECTIONS OF MACHINE
  - VISIBILITY FROM OPERATOR’S SEAT
- ENGINE TECHNOLOGY TO CONFORM EXHAUST GAS EMISSION
- PRODUCT INFORMATION
  - LOCATION OF PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
  - LOCATION OF ENGINE NUMBER PLATE
  - FLUORINATED GREENHOUSE GASES
  - SERVICE METER LOCATION
  - YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR
- SERIAL PLATE
- METHOD FOR CHECKING ENGINE TYPE
- DECLARATION OF CONFORMITY
- CONTENTS
SAFETY
- SAFETY
- SAFETY LABELS
  - LOCATION OF SAFETY LABELS
  - CONTENTS OF SAFETY LABELS
- GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE
  - PRECAUTIONS BEFORE STARTING OPERATION
  - PREPARATIONS FOR SAFE OPERATION
  - PRECAUTIONS TO PREVENT FIRE
  - PRECAUTIONS WHEN GETTING ON OR OFF MACHINE
  - DO NOT GET CAUGHT IN WORK EQUIPMENT
  - PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES
  - PROTECTION AGAINST FALLING, FLYING OR INTRUDING OBJECTS
  - ACTIONS IN THE EVENT OF DAMAGE TO SAFETY STRUCTURES
  - UNAUTHORIZED MODIFICATION
  - PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS
  - QUICK COUPLER ATTACHMENT
  - LARGE ATTACHMENTS AND COMBINATIONS
  - PRECAUTIONS RELATED TO CAB GLASS
  - PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING
- PRECAUTIONS FOR OPERATION
  - PRECAUTIONS FOR JOBSITE
  - START ENGINE
  - PRECAUTIONS FOR OPERATION
  - PRECAUTIONS FOR TRANSPORTATION
  - TOWING AND BEING TOWED
  - LIFTING OPERATIONS
- PRECAUTIONS FOR MAINTENANCE
  - PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE
  - PRECAUTIONS FOR CHECK AND MAINTENANCE
- PRECAUTIONS FOR DEF
  - GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING
  - PRECAUTIONS FOR ADDING
  - SAFETY RULES FOR STORAGE
  - PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE
  - OTHER PRECAUTIONS
OPERATION
- GENERAL VIEW
  - MACHINE EQUIPMENT NAME
  - CAB EQUIPMENT NAMES
  - CONTROLS AND GAUGES NAMES
- EXPLANATION OF COMPONENTS
  - EXPLANATION OF MACHINE MONITOR EQUIPMENT
  - SWITCHES
  - CONTROL LEVERS AND PEDALS
  - OTHER EQUIPMENT
- MACHINE OPERATIONS AND CONTROLS
  - CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE
  - METHOD FOR STARTING ENGINE
  - METHOD FOR OPERATIONS AND CHECKS AFTER STARTING ENGINE
  - METHOD FOR STOPPING ENGINE
  - METHOD FOR STARTING MACHINE (TRAVEL FORWARD AND REVERSE) AND STOPPING MACHINE
  - METHOD FOR STEERING MACHINE
  - METHOD FOR SWINGING MACHINE
  - METHOD FOR OPERATING WORK EQUIPMENT
  - HANDLE WORKING MODE
  - PROHIBITED OPERATIONS
  - PRECAUTIONS FOR OPERATION
  - PRECAUTIONS FOR WORKING ON SLOPE
  - METHOD FOR ESCAPING FROM MUD
  - RECOMMENDED APPLICATIONS
  - EFFECTIVE USE OF HYDRAULIC EXCAVATOR
  - METHOD FOR REPLACING AND INVERTING BUCKET
  - METHOD FOR PARKING MACHINE
  - METHOD FOR CHECKING AFTER FINISHING WORK
  - LOCK
- HANDLE AIR CONDITIONER
  - EXPLANATION OF AIR CONDITIONER EQUIPMENT
  - METHOD FOR OPERATING AIR CONDITIONER
- HANDLING RADIO
  - EXPLANATION OF RADIO EQUIPMENT
  - METHOD FOR CONTROLLING RADIO
  - STOW ANTENNA
  - SPACE FOR RADIO CASSETTE
- KomVision
  - PRECAUTIONS WHEN USING KomVision
  - MONITOR DISPLAY
- TRANSPORTATION
  - PRECAUTIONS FOR TRANSPORTING MACHINE
  - SELECT TRANSPORTATION METHOD
  - LOADING AND UNLOADING WITH TRAILER
  - METHOD FOR LIFTING MACHINE
  - SPREAD AND NARROW TRACK FRAME GAUGE
- COLD WEATHER OPERATION
  - COLD WEATHER OPERATION INFORMATION
  - PRECAUTIONS AFTER DAILY WORK COMPLETION IN COLD WEATHER
  - AFTER COLD WEATHER SEASON
- PRECAUTIONS FOR LONG-TERM STORAGE
  - PREPARATION FOR LONG-TERM STORAGE
  - MAINTENANCE DURING LONG-TERM STORAGE
  - STARTING MACHINE AFTER LONG-TERM STORAGE
- TROUBLES AND ACTIONS
  - ACTIONS WHEN RUNNING OUT OF FUEL
  - PHENOMENA THAT ARE NOT FAILURES
  - PRECAUTIONS FOR TOWING MACHINE
  - PRECAUTIONS FOR SEVERE JOB CONDITION
  - PRECAUTIONS FOR DISCHARGED BATTERY
  - OTHER TROUBLE
MAINTENANCE
- PRECAUTIONS FOR MAINTENANCE
  - CHECK SERVICE METER READING
  - KOMATSU GENUINE REPLACEMENT PARTS
  - KOMATSU GENUINE LUBRICANTS
  - ALWAYS USE CLEAN WASHER FLUID
  - FRESH AND CLEAN LUBRICANTS
  - CHECK DRAINED OIL AND USED FILTER
  - PRECAUTIONS FOR REFILLING OIL OR FUEL
  - PRECAUTIONS FOR ADDING DEF
  - WELDING INSTRUCTIONS
  - DO NOT DROP THINGS INSIDE MACHINE
  - PRECAUTIONS FOR KDPF
  - PRECAUTIONS FOR SCR ASSEMBLY
  - DUSTY JOBSITES
  - AVOID MIXING OIL
  - LOCK INSPECTION COVERS
  - BLEED AIR FROM HYDRAULIC CIRCUIT
  - PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES
  - CHECKS AFTER INSPECTION AND MAINTENANCE
  - FUEL AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE
  - CLOSE ENGINE HOOD SECURELY
  - PRECAUTIONS WHEN YOU CLEAN WORK EQUIPMENT CONTROL LEVER
- OUTLINE OF MAINTENANCE
  - HANDLE OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
  - HANDLE ELECTRICAL COMPONENTS
- STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
- MAINTENANCE SCHEDULE
  - MAINTENANCE SCHEDULE TABLE
  - MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER
- MAINTENANCE PROCEDURE
  - WHEN REQUIRED
  - CHECKS BEFORE STARTING
  - EVERY 50 HOURS MAINTENANCE
  - EVERY 250 HOURS MAINTENANCE
  - EVERY 500 HOURS MAINTENANCE
  - EVERY 1000 HOURS MAINTENANCE
  - EVERY 2000 HOURS MAINTENANCE
  - EVERY 4000 HOURS MAINTENANCE
  - EVERY 4500 HOURS MAINTENANCE
  - EVERY 5000 HOURS MAINTENANCE
  - EVERY 8000 HOURS MAINTENANCE
  - EVERY 9000 HOURS MAINTENANCE
SPECIFICATIONS
- SPECIFICATIONS
  - EXPLANATION OF LIFT CAPACITY CHART (6.7M BOOM)
  - EXPLANATION OF LIFT CAPACITY CHART (7.1M BOOM)
ATTACHMENTS AND OPTIONS
- PRECAUTIONS FOR USING ATTACHMENT AND OPTIONS
  - PRECAUTIONS WHEN SELECTING
  - READ THE OPERATION AND MAINTENANCE MANUAL THOROUGHLY
  - PRECAUTIONS WHEN REMOVING AND INSTALLING
  - PRECAUTIONS WHEN USING
- QUICK COUPLER SYSTEM
  - HANDLING QUICK COUPLER
- AUTOMATIC GREASE SYSTEM
  - HANDLING AUTOMATIC GREASE SYSTEM
  - DIAGRAM OF AUTOMATIC GREASING POINTS
  - SYSTEM OPERATION
  - CHANGING THE GREASE INTERVAL WITH THE IN-CAB DISPLAY
  - INDICATION ON THE IN-CAB DISPLAY
  - CHECK AUTOMATIC GREASE SYSTEM
- HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
  - EXPLANATION OF COMPONENTS ON MACHINE EQUIPPED WITH ATTACHMENT
  - METHOD FOR CHANGE-OVER AND CONNECT HYDRAULIC CIRCUIT FOR MACHINE READY FOR INSTALLATION OF ATTACHMENT
  - METHOD FOR REMOVING AND INSTALLING ATTACHMENT
  - METHOD FOR OPERATING ATTACHMENT
  - LONG-TERM STORAGE
  - MAINTENANCE OF ADDITIONAL FILTER FOR BREAKER
  - SPECIFICATIONS
- HANDLE BUCKET WITH HOOK
  - PRECAUTIONS FOR OPERATION
- ARM/PIN INFORMATION
- ATTACHMENTS AND OPTIONS
  - INSTALL ATTACHMENT
  - TRACK SHOES SELECTION
- RECOMMENDED ATTACHMENT OPERATIONS
  - HYDRAULIC BREAKER
HIGH REACH DEMOLITION
- GENERAL PRECAUTIONS
- PRECAUTIONS FOR OPERATION
  - PRECAUTIONS WHEN USING HIGH REACH DEMOLITION WORK EQUIPMENT
  - PRECAUTIONS WHEN TRAVELLING
- SAFETY LABELS
  - LOCATION OF SAFETY LABELS
  - CONTENTS OF SAFETY LABELS
- GENERAL VIEW OF MACHINE
- CONTROL LEVERS AND SWITCHES
  - LOCK LEVER
  - WORK EQUIPMENT CONTROL LEVER
  - ATTACHMENT ROTATION (WITH AUTO-DECELERATION)
  - TILTING CAB MECHANISM OPERATION
  - HYDRAULIC WORK EQUIPMENT CHANGE PIN OPERATION
  - ATTACHMENT CONTROL FOR OPENING AND CLOSING
  - CONTROL PEDAL
  - ROOF WIPER ONE-TOUCH WASH SWITCH
  - FRONT WIPER ONE-TOUCH WASH SWITCH
- METHOD FOR HYDRAULIC SYSTEM WARM-UP OPERATION – HIGH REACH DEMOLITION
- MACHINE OPERATIONS AND CONTROLS
  - BEFORE STARTING ENGINE
  - CHECK THE ADDITIONAL COUNTERWEIGHT INSTALLATION
  - WORK EQUIPMENT CONTROLS AND OPERATIONS
  - RAISING WORK EQUIPMENT
  - LOWERING THE HIGH REACH WORK EQUIPMENT
  - WORKING MODES
  - WORKING RANGE INDICATOR SYSTEM
  - ENGINE AIR INLET PRE-CLEANER
  - PROHIBITED OPERATIONS
  - PROHIBITION OF WORK WITH HYDRAULIC BREAKER
  - PROHIBITION OF WORK WITH BUCKET
  - STORAGE POSTURE WHEN LEAVING MACHINE
- HYDRAULIC VARIABLE GAUGE UNDERCARRIAGE (WHERE FITTED)
  - TRACK GAUGE VARIATION
  - TRACK GAUGE LOCK
  - MAINTENANCE OF THE HYDRAULIC VARIABLE GAUGE UNDERCARRIAGE (WHERE FITTED)
- TRANSPORTATION
  - LOADING AND UNLOADING
  - TRANSPORTATION AND LIFTING
  - TRANSPORTATION – DIMENSIONS
- SPECIFICATIONS
  - WORKING RANGE
  - EXPLANATION OF LIFT CAPACITY CHART
  - HYDRAULIC SPECIFICATIONS
- INSTALLATION AND REMOVAL OF WORK EQUIPMENT
  - DEMOLITION DIGGING WORK EQUIPMENT REMOVAL AND INSTALLATION
  - HIGH REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION
  - MEDIUM REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION
  - MEDIUM REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION – ALTERNATIVE METHOD
  - EXTENDED HIGH REACH WORK EQUIPMENT REMOVAL AND INSTALLATION
- ATTACHING QUICK COUPLERS AT WORK EQUIPMENT JOINTS
- HIGH REACH DEMOLITION ARM/PIN INFORMATION
- SAFETY CRITICAL PARTS (UNIQUE COMPONENTS)
K100
- SAFETY
  - SAFETY
  - SAFETY LABELS
  - PRECAUTIONS FOR OPERATION
- OPERATION
  - EXPLANATION OF COMPONENTS
  - MACHINE OPERATIONS AND CONTROLS
  - GENERAL VIEW
  - CONTROL LEVERS AND SWITCHES
  - K100 FUNCTION
  - TRANSPORTATION
  - PHENOMENA AND ACTIONS
- MAINTENANCE
  - MAINTENANCE SCHEDULE
- SPECIFICATIONS
  - WORKING RANGE
  - EXPLANATION OF LIFT CAPACITY CHART
  - WORK EQUIPMENT CONNECTION AND DISCONNECTION LIMITS
REPLACEMENT PARTS
- PERIODIC REPLACEMENT OF DEFINED LIFE PARTS
  - DEFINED LIFE PARTS LIST
- CONSUMABLE PARTS
  - CONSUMABLE PARTS
- RECOMMENDED FUEL, COOLANT, AND LUBRICANT
  - LUBRICATION CHART
  - USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
  - RECOMMENDED BRANDS AND QUALITIES OTHER THAN KOMATSU GENUINE OILS
INDEX