Komatsu PC240LC-11E0, PC240NLC-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01582)

Komatsu PC240LC-11E0, PC240NLC-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01582)

Format: PDF (Printable Document)

File Language: English

File Pages: 503

File Size: 29.14 MB (Speed Download Link)

Brand: Komatsu

Model: PC240LC-11E0D, PC240NLC-11E0 Hydraulic Excavator

Book No: UENAM01582

Type of Document: Operation and Maintenance Manual

Categories: Komatsu PDF, PDF

$ 40

Komatsu PC240LC-11E0, PC240NLC-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01582)

Komatsu PC240LC-11E0D, PC240NLC-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01582)

These PC240LC/NLC-11E0 excavators usually live in quarry faces, pipe trenches, and demolition piles, working long days in dust and vibration. This Operation and Maintenance Manual is what I’d keep in the cab or shop to set a solid service rhythm, so the machine starts every morning without surprises. When a boom swing feels slow or the machine starts using more fuel than normal, I’d use this book to walk through basic checks, confirm the right daily and weekly inspections, and decide whether it’s something we can sort on-site or needs a deeper workshop visit.

Applications & Use Cases

Plan preventive maintenance so filters, pins, and hydraulic components are serviced before they cause downtime.
Build a daily/weekly inspection routine to catch leaks, loose hardware, and abnormal noises early.
Verify correct operating practices for different ground conditions to avoid overloading the structure or hydraulics.
Trace simple performance issues like sluggish functions or hard starting to likely causes before calling a technician.
Coordinate parts ordering by confirming which components need attention ahead of scheduled shutdowns.

FAQ

Q: Can I keep this manual on a tablet in the cab?

A: Yes, it’s practical to use digitally; you can zoom diagrams and search terms while you’re sitting in the operator’s seat.

Q: Is it worth printing pages from this manual?

A: Printing the key maintenance and inspection pages is handy for greasy hands in the shop and for posting checklists on the service board.

Safety Note

Always follow the manual’s safety warnings and lockout procedures before inspecting, adjusting, or servicing this excavator.

📘 Show Index

Komatsu PC240LC-11E0D, PC240NLC-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
- 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
  - 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 OBJECTS WITH BUCKET LINK LIFTING DEVICE (OPTIONAL EQUIPMENT)
  - LIFTING OBJECTS WITH BUCKETS
- 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
- HANDLE 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
- 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
  - CHECK AUTOMATIC GREASE SYSTEM
  - CHECKS BEFORE STARTING
  - EVERY 100 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 (1-PIECE 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
  - TRACK SHOES SELECTION
  - BUCKET TEETH SELECTION
  - HANDLE TRAPEZOIDAL BUCKET
  - HANDLE EXTENSION ARM
- RECOMMENDED ATTACHMENT OPERATIONS
  - HYDRAULIC BREAKER
- STRAIGHT BOOM
  - GENERAL VIEW OF MACHINE
  - CAUTION ITEMS
  - TRANSPORTATION (STRAIGHT BOOM EQUIPMENT)
  - WORKING RANGE (STRAIGHT BOOM)
  - EXPLANATION OF LIFT CAPACITY CHART (STRAIGHT BOOM)
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