Description
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Model List:
- PC490HRD-11 Demolition Hydraulic Excavator
- 1. FOREWORD
- 1.1. READ THIS MANUAL
- 1.2. KOMATSU MACHINE OPERATOR PRIVACY POLICY
- 1.3. SAFETY INFORMATION
- 2. SAFETY
- 2.1. SAFETY
- 2.2. SAFETY LABELS
- 2.2.1. LOCATION OF SAFETY LABELS
- 2.2.2. CONTENTS OF SAFETY LABELS
- 2.3. PRECAUTIONS FOR OPERATION
- 2.3.1. CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE
- 2.3.2. PRECAUTIONS FOR TRANSPORTATION
- 2.3.3. PRECAUTIONS WHEN LOADING AND UNLOADING
- 2.3.4. PRECAUTIONS WHEN OPERATING IN BASE MACHINE CONFIGURATION
- 2.3.4.1. PRECAUTIONS WHEN DISCONNECTING DEMOLITION DIGGING OR MEDIUM REACH DEMOLITION WORK EQUIPMENT
- 3. OPERATION
- 3.1. EXPLANATION OF COMPONENTS
- 3.1.1. CONTROL LEVERS AND SWITCHES
- 3.2. MACHINE OPERATIONS AND CONTROLS
- 3.2.1. BEFORE STARTING ENGINE
- 3.2.2. ULTRA QUICK BOOM CHANGE CONTROL SYSTEM
- 3.3. GENERAL VIEW
- 3.3.1. GENERAL VIEW OF MACHINE
- 3.4. CONTROL LEVERS AND SWITCHES
- 3.4.1. TOUCH SCREEN DISPLAY
- 3.5. FUSE
- 3.6. ULTRA QUICK BOOM CHANGE FUNCTION
- 3.6.1. WORKING RANGE INDICATOR SYSTEM
- 3.6.2. INSTALLATION OF WORK EQUIPMENT
- 3.6.3. DISCONNECT WORK EQUIPMENT
- 3.6.4. WORK EQUIPMENT SUPPORT STANDS
- 3.6.5. HIGH REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION
- 3.6.5.1. REMOVAL OF HIGH REACH DEMOLITION WORK EQUIPMENT (WITHOUT QUICK COUPLER ATTACHMENT)
- 3.6.5.2. INSTALLATION OF HIGH REACH DEMOLITION WORK EQUIPMENT (WITHOUT QUICK COUPLER ATTACHMENT)
- 3.6.5.3. REMOVAL OF HIGH REACH DEMOLITION WORK EQUIPMENT (WITH QUICK COUPLER ATTACHMENT)
- 3.6.5.4. INSTALLATION OF HIGH REACH DEMOLITION WORK EQUIPMENT (WITH QUICK COUPLER ATTACHMENT)
- 3.6.6. HIGH REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION OF ARM REST BRACKET
- 3.6.6.1. INSTALLATION OF ARM REST BRACKET
- 3.6.6.2. REMOVAL OF ARM REST BRACKET
- 3.6.7. DEMOLITION DIGGING WORK EQUIPMENT REMOVAL AND INSTALLATION
- 3.6.7.1. REMOVAL OF DEMOLITION DIGGING WORK EQUIPMENT
- 3.6.7.2. INSTALLATION OF DEMOLITION DIGGING WORK EQUIPMENT
- 3.6.8. MEDIUM REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION
- 3.6.8.1. REMOVAL OF MEDIUM REACH DEMOLITION WORK EQUIPMENT
- 3.6.8.2. INSTALLATION OF MEDIUM REACH DEMOLITION WORK EQUIPMENT
- 3.6.9. MEDIUM REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION ALTERNATIVE METHOD
- 3.6.9.1. REMOVAL OF MEDIUM REACH DEMOLITION WORK EQUIPMENT
- 3.6.9.2. INSTALLATION OF MEDIUM REACH DEMOLITION WORK EQUIPMENT
- 3.6.10. EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION
- 3.6.10.1. REMOVAL OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT WITHOUT QUICK COUPLER ATTACHMENT
- 3.6.10.2. INSTALLATION OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT WITHOUT QUICK COUPLER ATTACHMENT
- 3.6.10.3. REMOVAL OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT (WITH QUICK COUPLER ATTACHMENT)
- 3.6.10.4. INSTALLATION OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT (WITH QUICK COUPLER ATTACHMENT)
- 3.6.11. EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT REMOVAL AND INSTALLATION ALTERNATIVE METHOD (WITHOUT QUICK COUPLER)
- 3.6.11.1. REMOVAL OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT ALTERNATIVE METHOD (WITHOUT QUICK COUPLER ATTACHMENT)
- 3.6.11.2. INSTALLATION OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT ALTERNATIVE METHOD (WITHOUT QUICK COUPLER ATTACHMENT)
- 3.6.12. EXTENDED HIGH REACH WORK EQUIPMENT REMOVAL AND INSTALLATION ALTERNATIVE METHOD (WITH QUICK COUPLER ATTACHMENT)
- 3.6.12.1. REMOVAL OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT ALTERNATIVE METHOD (WITH QUICK COUPLER ATTACHMENT)
- 3.6.12.2. INSTALLATION OF EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT ALTERNATIVE METHOD (WITH QUICK COUPLER ATTACHMENT)
- 3.6.13. EXTENSION BOOM REMOVAL AND INSTALLATION
- 3.6.13.1. REMOVAL OF EXTENSION BOOM
- 3.6.13.2. INSTALLATION OF EXTENSION BOOM
- 3.6.14. DEMOLITION DIGGING WORK EQUIPMENT AND MEDIUM REACH DEMOLITION WORK EQUIPMENT CRANKED TO STRAIGHT
- 3.6.15. DEMOLITION DIGGING WORK EQUIPMENT AND MEDIUM REACH DEMOLITION WORK EQUIPMENT STRAIGHT TO CRANKED
- 3.7. TRANSPORTATION
- 3.7.1. TRANSPORTATION AND LIFTING
- 3.7.2. TRANSPORTATION DIMENSIONS
- 3.7.3. PREPARATION FOR STORAGE
- 3.8. PHENOMENA AND ACTIONS
- 3.8.1. ERRORS AND PHENOMENA
- 4. MAINTENANCE
- 4.1. MAINTENANCE SCHEDULE
- 4.1.1. MAINTENANCE SCHEDULE FOR ULTRA QUICK BOOM CHANGE VALVES
- 5. SPECIFICATIONS
- 5.1. WORKING RANGE
- 5.2. EXPLANATION OF LIFT CAPACITY CHART
- 5.3. WORK EQUIPMENT CONNECTION AND DISCONNECTION LIMITS
- 6. INDEX
- 7. Blank Page
















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