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Komatsu PC490-11, PC490LC-11 Hydraulic Excavator Operation and Maintenance Manual (UENAM01422)

Format: PDF (Printable Document)

File Language: English

File Pages: 494

File Size: 22.48 MB (Speed Download Link)

Brand: Komatsu

Model: PC490-11, PC490LC-11 Hydraulic Excavator

Book No: UENAM01422

Type of Document: Operation and Maintenance Manual

Categories: ,

$ 40

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Komatsu PC490-11, PC490LC-11 Hydraulic Excavator Operation and Maintenance Manual (UENAM01422)

Komatsu PC490-11, PC490LC-11 Hydraulic Excavator Operation and Maintenance Manual (UENAM01422)

On a PC490-11 or PC490LC-11 that’s digging deep foundations, loading trucks, or ripping out rock all day, this Operation and Maintenance Manual is what I’d keep close to keep the machine earning and not parked. It walks you through how to run the excavator correctly, set up the work modes for the job, and stay on top of daily and scheduled checks. If, for example, the machine starts feeling sluggish on the hydraulics or fuel use jumps up, I’d use this manual to verify the proper inspection steps, trace basic causes, and confirm what needs attention before calling in heavier diagnostics.

Applications & Use Cases

  • Plan preventive maintenance so filters, pins, and wear components get attention before they sideline the excavator.
  • Set up and verify operating practices for new operators to avoid abuse, overheating, and premature wear.
  • Trace early warning signs like unusual noises, slow cycles, or warning lights and decide if you can correct it on-site.
  • Standardize walk-around inspections so every shift checks the same critical points.
  • Coordinate downtime by knowing what services can be done in the field versus when to schedule shop time.

FAQ

Q: Can I use a digital copy of this manual on a tablet in the cab?

A: Yes, it’s handy on a tablet; just make sure you can zoom diagrams and use search so you can find procedures quickly.

Q: Is it worth printing parts of this manual?

A: I’d print the routine inspection and service pages, laminate them, and keep them in the service truck for greasy, wet conditions.

Safety Note

Always lock out, tag out, and relieve system pressures exactly as instructed in the manual before you inspect, adjust, or service this excavator.

📘 Show Index

Komatsu PC490-11, PC490LC-11 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
    • DECLARATION OF CONFORMITY
    • TABLE OF 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
      • 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
    • 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
      • CHECK AUTOMATIC GREASE SYSTEM
      • 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 BUCKET WITH HOOK
      • PRECAUTIONS FOR OPERATION
    • 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
    • ARM/PIN INFORMATION
    • ATTACHMENTS AND OPTIONS
      • INSTALL ATTACHMENT
      • ROCK BUCKET SELECTION
      • TOOL CONTROL SYSTEM WITH ADDITIONAL MONITOR (IF EQUIPPED)
      • TRACK SHOES SELECTION
    • RECOMMENDED ATTACHMENT OPERATIONS
      • HYDRAULIC BREAKER
  • 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

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