Komatsu PC290LCi-11E0, PC290NLCi-11E0 Hydraulic Excavator Operation and Maintenance Manual (UENAM01681)
These PC290LCi/PC290NLCi excavators usually live in tough environments—mass excavation, roadwork, pipe trenches—running long days in mixed soil and rock. This Operation and Maintenance Manual is what I lean on to set a sane service rhythm so the machine stays predictable and the intelligent control keeps behaving. When, for example, the boom starts moving a bit slower on grade control work, I’d use this book to verify the correct inspection steps, check points, and basic adjustments before calling in a laptop or dealer support.
Applications & Use Cases
- Plan preventive maintenance so filters, pins, and hydraulic components are checked and serviced before they start costing you downtime.
- Trace early wear on undercarriage and work equipment using the recommended inspection logic and visual checkpoints.
- Verify daily and weekly checks for operators, keeping fluid levels, cooling, and electrical basics under control on site.
- Support troubleshooting when the machine feels weak, runs hot, or the control responses change under heavy digging.
- Coordinate parts ordering by confirming what needs attention ahead of time, so the machine is down once, not twice.
FAQ
Q: Can I keep this manual on a tablet in the cab?
A: Yes, it’s handy to store a digital copy on a rugged tablet or laptop so operators can zoom in on diagrams and procedures on site.
Q: Is it worth printing sections of this manual?
A: Many techs print the routine service pages and keep them in a binder in the service truck for quick reference during scheduled maintenance.
Safety Note
Always follow the manual’s lockout, support, and pressure-release instructions before inspecting or servicing any part of the machine.
Komatsu PC290LCi-11E0, PC290NLCi-11E0 Hydraulic Excavator Index:
- FOREWORD
- READ THIS MANUAL
- KOMATSU MACHINE OPERATOR PRIVACY POLICY
- SAFETY INFORMATION
- INTRODUCTION
- intelligent Machine Control
- MAIN USE OF MACHINE
- DEMOLITION WORK
- ABBREVIATION LIST
- DECLARATION OF CONFORMITY
- CONTENTS
- SAFETY
- SAFETY LABELS
- LOCATION OF SAFETY LABELS
- SAFETY LABELS
- PRECAUTIONS FOR OPERATION
- START ENGINE
- PRECAUTIONS RELATED TO CONTROL BOX
- PRECAUTIONS RELATED TO SEMI-AUTO MODE
- PRECAUTIONS FOR TRANSPORTATION
- OPERATION
- GENERAL VIEW
- MACHINE EQUIPMENT NAME
- CAB EQUIPMENT NAMES
- EXPLANATION OF COMPONENTS
- EXPLANATION OF MACHINE MONITOR EQUIPMENT
- SWITCH
- CONTROL LEVERS AND PEDALS
- intelligent Machine Control SYSTEM
- OTHER EQUIPMENT
- MACHINE OPERATIONS AND CONTROLS
- CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE
- START ENGINE
- METHOD FOR STOPPING ENGINE
- PROHIBITED OPERATIONS
- PARK MACHINE
- HANDLING RADIO
- TRANSPORTATION
- REMOVE AND INSTALL GNSS ANTENNA
- REMOVE AND INSTALL HANDRAIL
- REMOVE AND INSTALL GNSS RADIO ANTENNA AND ANTENNA FOR NETWORK MODEM
- PRECAUTIONS FOR LONG-TERM STORAGE
- STARTING MACHINE AFTER LONG-TERM STORAGE
- TROUBLES AND ACTIONS
- IF ERROR INFORMATION IS DISPLAYED ON CONTROL BOX
- OTHER TROUBLE
- MAINTENANCE
- MAINTENANCE SCHEDULE
- MAINTENANCE SCHEDULE TABLE
- MAINTENANCE PROCEDURE
- EVERY 500 HOURS MAINTENANCE
- SPECIFICATIONS
- SPECIFICATIONS
- SPECIFICATIONS: PC290LCI-11E0, PC290NLCI-11E0
- 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 FOR USING
- ATTACHMENTS AND OPTIONS
- AUTO TILT BUCKET
- AUTO TILT BUCKET SETTING
- PRECAUTIONS WHEN YOU OPERATE AUTO TILT BUCKET
- WORK EQUIPMENT CONTROL OF AUTO TILT BUCKET
- RECOMMENDED ATTACHMENT OPERATIONS
- SETTING
- INTELLIGENT MACHINE CONTROL SETTINGS
- CONTROL BOX
- METHOD FOR DISPLAYING MAIN MENU
- MACHINE MONITOR
- MACHINE SETTINGS
- MC SETTING
- EXECUTIONS
- SEMI-AUTO MODE
- PRECAUTIONS FOR OPERATION
- PRECAUTIONS FOR REPLACING PARTS AND FAILURES
- WORKING MODE
- WORKING MODE (WHEN AUTO TILT BUCKET IS EQUIPPED)
- SEMI-AUTO MODE SETTINGS
- TRAVEL MODE
- TRAVEL MODE SETTINGS
- DISPLAY OF TRAVEL MODE
- OFFSET MENU OF SURFACE
- TARGET SURFACE SETTINGS
- ROUGH DIGGING MODE
- METHOD FOR SETTING ROUGH DIGGING SCREEN
- TEMPORARY DESIGN MENU
- FINE DIGGING MODE
- METHOD FOR SETTING FINE DIGGING MODE SCREEN
- TARGET SURFACE SETTINGS
- TARGET SURFACE SETTING MENU
- METHOD FOR SETTING TARGET SURFACE
- BUCKET EDGE POSITION
- DISPLAY BUCKET EDGE POSITION
- METHOD FOR COMPARING WITH BENCHMARK
- METHOD FOR CORRECTING BUCKET EDGE POSITION
- DAILY CALIBRATION
- WALK-AROUND CHECKS OF INTELLIGENT MACHINE CONTROL EQUIPMENT
- CHECK GNSS COMMUNICATION STATUS
- METHOD FOR CHECKING GNSS COMMUNICATION STATUS
- METHOD FOR CHECKING NUMBER OF SATELLITES AND ERROR OF POSITIONING
- METHOD FOR DISPLAYING BUCKET EDGE COORDINATES
- METHOD FOR SETTING SATELLITE POSITION DISPLAY AND ELEVATION ANGLE
- METHOD FOR DISPLAYING GNSS RECEIVER INFORMATION
- METHOD FOR CHEKING EXPECTANCY OF EDGE ACCURANCY
- METHOD FOR SETTING GLONASS SATELLITE
- METHOD FOR SETTING TILT SENSOR
- USE OF TOPO SURVEY
- METHOD FOR PERFORMING TOPO SURVEY MANUALLY
- METHOD FOR PERFORMING AUTO-TOPO SURVEY
- METHOD FOR CANCELING TOPOGRAPHIC SURVEYS
- TROUBLESHOOTING
- CONTROL BOX SCREEN DISPLAY
- SEMI-AUTO MODE
- WORKING ACCURACY
- AUTO TILT BUCKET
- INDEX
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