Komatsu PC26MR-3 Hydraulic Excavator Index:

• 1.1 FOREWORD
• 1.2 KOMATSU MACHINE OPERATOR PRIVACY POLICY
• 1.3 INFORMATION ON SAFETY
  • 1.3.1 POSITION OF THE NOISE PLATES ON MACHINES WITH CAB
  • 1.3.2 POSITION OF THE NOISE PLATES ON MACHINES WITH CANOPY
  • 1.3.3 VIBRATIONS TO WHICH THE OPERATOR IS SUBJECTED
• 1.4 INTRODUCTION
  • 1.4.1 INTENDED USE OF THE MACHINE
  • 1.4.2 DEMOLITION WORK
  • 1.4.3 IMPROPER OR UNAUTHORIZED USES
  • 1.4.4 MAIN CHARACTERISTICS
  • 1.4.5 RUNNING-IN
  • 1.4.6 POSITIONS AND DIRECTIONS OF THE MACHINE
  • 1.4.7 PROTECTIVE STRUCTURES
  • 1.4.8 VISIBILITY FROM OPERATOR’S SEAT
• 1.5 PRODUCT IDENTIFICATION
  • 1.5.1 MACHINE SERIAL NUMBER
  • 1.5.2 MACHINE IDENTIFICATION PLATE AND PRODUCT IDENTIFICATION NUMBER (PIN)
  • 1.5.3 SERIAL PLATE
  • 1.5.4 ENGINE SERIAL NUMBER AND EXHAUST GAS EMISSION PLATE
  • 1.5.5 TRAVEL REDUCTION GEAR SERIAL NUMBER
  • 1.5.6 SWING REDUCTION GEAR SERIAL NUMBER
  • 1.5.7 CAB SERIAL NUMBER
  • 1.5.8 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR
  • 1.5.9 DECLARATION OF CONFORMITY
• 1.6 KOMTRAX
  • 1.6.1 GENERAL PRECAUTIONS
  • 1.6.2 OBSERVANCE OF THE APPLICABLE LAWS AND REGULATIONS, EXEMPTION
• TABLE OF CONTENTS
• 2.1 SAFETY, NOISE AND VIBRATION PLATES
  • 2.1.1 POSITION OF THE SAFETY PLATES
  • 2.1.2 CONTENTS OF SAFETY LABELS
• 2.2 GENERAL PRECAUTIONS
  • 2.2.1 SAFETY RULES
  • 2.2.2 IF PROBLEMS ARE FOUND
  • 2.2.3 WORKING WEAR AND PERSONAL PROTECTIVE ITEMS
  • 2.2.4 FIRE EXTINGUISHER AND FIRST AID KIT
  • 2.2.5 PRECAUTIONS FOR SAFETY-RELATED EQUIPMENT
  • 2.2.6 KEEP MACHINE CLEAN
  • 2.2.7 KEEP OPERATOR’S COMPARTMENT CLEAN
  • 2.2.8 LEAVING THE OPERATOR’S SEAT
  • 2.2.9 HANDRAILS AND STEPS
  • 2.2.10 MOUNTING AND DISMOUNTING
  • 2.2.11 NO PERSONS ON ATTACHMENTS
  • 2.2.12 DO NOT GET CAUGHT IN ARTICULATED PORTION
  • 2.2.13 PREVENTING BURNS
  • 2.2.14 FIRE PREVENTION AND EXPLOSION PREVENTION
    • 2.2.14.1 FIRE CAUSED BY FUEL OR OIL
    • 2.2.14.2 FIRE CAUSED BY ACCUMULATED FLAMMABLE MATERIAL
    • 2.2.14.3 FIRE STARTING FROM ELECTRIC WIRING
    • 2.2.14.4 FIRE COMING FROM HYDRAULIC LINE
    • 2.2.14.5 EXPLOSION CAUSED BY LIGHTING EQUIPMENT
  • 2.2.15 ACTION IF FIRE OCCURS
  • 2.2.16 WINDSHIELD WASHER FLUID
  • 2.2.17 FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION
  • 2.2.18 CAUTIONS RELATED TO ROPS
    • 2.2.18.1 ROPS (Canopy specification)
    • 2.2.18.2 ROPS (Cab specification)
  • 2.2.19 ATTACHMENT INSTALLATION
  • 2.2.20 ATTACHMENT COMBINATIONS
  • 2.2.21 PREVENTING DAMAGE CAUSED BY THE WORK EQUIPMENT
  • 2.2.22 CAB WINDOW GLASSES
  • 2.2.23 UNAUTHORIZED MODIFICATIONS
  • 2.2.24 SAFETY AT JOBSITE
  • 2.2.25 WORKING ON LOOSE GROUND
  • 2.2.26 DISTANCE TO HIGH VOLTAGE CABLES
  • 2.2.27 ENSURE GOOD VISIBILITY
  • 2.2.28 VENTILATION FOR ENCLOSED AREA
  • 2.2.29 HAND SIGNALS
  • 2.2.30 EMERGENCY EXIT FROM OPERATOR’S CAB
  • 2.2.31 ASBESTOS DUST HAZARD PREVENTION
• 2.3 SAFETY MACHINE OPERATION
  • 2.3.1 STARTING ENGINE
  • 2.3.2 CHECKS BEFORE STARTING ENGINE
  • 2.3.3 SAFETY RULES FOR STARTING ENGINE
  • 2.3.4 STARTING ENGINE IN COLD WEATHER
  • 2.3.5 PRECAUTIONS WHEN TRAVELING IN FORWARD OR REVERSE AND SWINGING
  • 2.3.6 SAFETY STANDARDS WHEN RUNNING
  • 2.3.7 MOVING ON SLOPES
  • 2.3.8 OPERATIONS ON SLOPES
  • 2.3.9 UNAUTHORIZED OPERATIONS
  • 2.3.10 OPERATIONS ON SNOW
  • 2.3.11 PARKING MACHINE
• 2.4 TRANSPORTING THE MACHINE ON MOTOR VEHICLES
  • 2.4.1 LOADING AND UNLOADING THE MACHINE
    • 2.4.1.1 SHIPPING THE MACHINE
• 2.5 BATTERY
  • 2.5.1 BATTERY HAZARD PREVENTION
  • 2.5.2 STARTING ENGINE WITH BOOSTER CABLES
• 2.6 TOWING
  • 2.6.1 SAFETY RULES FOR TOWING
• 2.7 LIFTING OBJECTS WITH LIFTING DEVICE (OPTIONAL EQUIPMENT)
  • 2.7.1 SAFETY RULES FOR LIFTING OBJECTS
• 2.8 SAFETY MAINTENANCE INFORMATION
  • 2.8.1 WARNING TAG
  • 2.8.2 KEEP WORK PLACE CLEAN AND TIDY
  • 2.8.3 APPOINT LEADER WHEN WORKING WITH OTHERS
  • 2.8.4 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE
  • 2.8.5 SAFETY MEASURES TO OPEN (TILT) THE PLATFORM
  • 2.8.6 MAINTENANCE WITH ENGINE RUNNING
  • 2.8.7 TOOLS
  • 2.8.8 HYDRAULIC ACCUMULATOR AND GAS SPRING
  • 2.8.9 PERSONNEL
  • 2.8.10 ATTACHMENTS
  • 2.8.11 WORK UNDER THE MACHINE
  • 2.8.12 NOISE
  • 2.8.13 WHEN USING HAMMER
  • 2.8.14 WELDING WORKS
  • 2.8.15 USING LAMPS
  • 2.8.16 PRECAUTIONS TO BE TAKEN WHEN USING HIGH-PRESSURE GREASE TO ADJUST THE TRACK TENSION
  • 2.8.17 DO NOT REMOVE THE SHOCK ABSORBING SPRING FROM THE SHOCK ABSORBER UNIT
  • 2.8.18 SAFETY RULES FOR HIGH-PRESSURE OIL
  • 2.8.19 SAFETY HANDLING HIGH-PRESSURE HOSES
  • 2.8.20 PRECAUTIONS FOR MAINTENANCE OPERATIONS AT HIGH TEMPERATURES AND HIGH PRESSURE
  • 2.8.21 WASTE MATERIALS
  • 2.8.22 AIR CONDITIONER MAINTENANCE (if fitted)
  • 2.8.23 COMPRESSED AIR
  • 2.8.24 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
  • 2.8.25 BATTERY MAIN SWITCH PRECAUTIONS
  • 2.8.26 PRECAUTIONS CONCERNING THE BATTERY AND THE ALTERNATOR
  • 2.8.27 PRECAUTIONS CONCERNING THE STARTER
  • 2.8.28 CHEMICAL HAZARD
  • 2.8.29 PRECAUTIONS TO BE TAKEN WHEN HANDLING TECHNOPOLYMERS AND ELASTOMERS
  • 2.8.30 PRECAUTIONS TO BE TAKEN WHEN USING SYNTHETIC BIODEGRADABLE OIL TYPE HEES
  • 2.8.31 FINAL DISPOSAL OF THE MACHINE
• 3.1 MACHINE ILLUSTRATIONS
  • 3.1.1 OVERALL VIEW OF THE MACHINE
  • 3.1.2 CONTROLS AND GAUGES
• 3.2 INSTRUMENTS AND CONTROLS
  • 3.2.1 WARNING LIGHTS AND GAUGES
    • 3.2.1.1 EMERGENCY WARNING LIGHTS
    • 3.2.1.2 GAUGES
    • 3.2.1.3 WARNING LIGHTS
  • 3.2.2 SWITCHES AND PUSH BUTTONS
  • 3.2.3 CONTROL LEVERS AND PEDALS
  • 3.2.4 CAB (if provided)
    • 3.2.4.1 WINDSCREEN (machines with cab)
    • 3.2.4.2 DOOR (machines with cab)
    • 3.2.4.3 SLIDING SIDE WINDOW (machines with cab)
    • 3.2.4.4 EMERGENCY EXIT HAMMER (machines with cab)
    • 3.2.4.5 FIRE EXTINGUISHER (if equipped)
  • 3.2.5 CAPS AND COVERS WITH LOCK
  • 3.2.6 TANK COVER
  • 3.2.7 ENGINE HOOD
  • 3.2.8 RADIATOR COVER
  • 3.2.9 TILTING THE CAB FLOOR
  • 3.2.10 FUSES
  • 3.2.11 MAIN FUSE
  • 3.2.12 12V OUTLET FUSE
  • 3.2.13 TECHNICAL DOCUMENTATION COMPARTMENT
  • 3.2.14 TOOL BOX
  • 3.2.15 PUMP SUPPORT FOR GREASING
• 3.3 USE OF THE MACHINE AND RELATED CONTROLS
  • 3.3.1 BEFORE STARTING THE ENGINE
    • 3.3.1.1 VISUAL CHECKS
    • 3.3.1.2 CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE
    • 3.3.1.3 ADJUSTMENTS
    • 3.3.1.4 OPERATIONS TO BE CARRIED OUT BEFORE STARTING THE ENGINE
    • 3.3.1.5 STARTING THE ENGINE
  • 3.3.2 AFTER STARTING THE ENGINE
    • 3.3.2.1 RUNNING-IN
    • 3.3.2.2 WARMING THE ENGINE
  • 3.3.3 STOPPING THE ENGINE
  • 3.3.4 HOW TO MOVE THE MACHINE
    • 3.3.4.1 PRELIMINARY OPERATIONS TO BE CARRIED OUT BEFORE MOVING THE MACHINE
    • 3.3.4.2 MOVING THE MACHINE FORWARD
    • 3.3.4.3 MOVING THE MACHINE IN REVERSE
    • 3.3.4.4 STOPPING THE MACHINE
  • 3.3.5 STEERING THE MACHINE
    • 3.3.5.1 STEERING (CHANGING DIRECTION)
  • 3.3.6 TURRET ROTATION
  • 3.3.7 WORK EQUIPMENT CONTROLS AND FUNCTIONS
  • 3.3.8 PROHIBITED OPERATIONS
  • 3.3.9 PRECAUTIONS FOR USE
  • 3.3.10 PRECAUTIONS TO BE TAKEN WHEN TRAVELLING ON SLOPES
  • 3.3.11 GETTING THE MACHINE OUT OF MUD
  • 3.3.12 OPERATIONS THAT CAN BE PERFORMED WITH THE HYDRAULIC EXCAVATOR
  • 3.3.13 METHOD OF LIFTING OBJECTS WITH LIFTING DEVICE
    • 3.3.13.1 LIFTING CAPACITIES
  • 3.3.14 CHANGING THE BUCKET
  • 3.3.15 PARKING THE MACHINE
  • 3.3.16 CHECKS TO BE CARRIED OUT BEFORE STOPPING THE ENGINE
  • 3.3.17 CHECKS TO BE CARRIED OUT AFTER WORK
  • 3.3.18 LOCKING THE MACHINE
  • 3.3.19 RUBBER TRACKS (Machines equipped with rubber tracks only)
    • 3.3.19.1 USE OF THE RUBBER TRACKS
    • 3.3.19.2 WARRANTY ON RUBBER TRACKS
    • 3.3.19.3 USE OF THE RUBBER TRACKS
    • 3.3.19.4 HOW TO PRESERVE THE RUBBER TRACKS OVER TIME
• 3.4 TRANSPORTATION
  • 3.4.1 TRANSPORT PROCEDURE
  • 3.4.2 LOADING AND UNLOADING THE MACHINE
  • 3.4.3 LIFTING THE MACHINE
• 3.5 USING THE MACHINE IN THE COLD SEASON
  • 3.5.1 PRECAUTIONS TO BE TAKEN WHEN USING THE MACHINE IN THE COLD SEASON
    • 3.5.1.1 FUEL AND LUBRICANTS
    • 3.5.1.2 COOLANT
    • 3.5.1.3 BATTERY
  • 3.5.2 CAB VENTILATION AND COOLING
  • 3.5.3 PRECAUTIONS TO BE TAKEN EVERY DAY AT THE END OF WORK
  • 3.5.4 HOW TO PROCEED AT THE END OF THE COLD SEASON
• 3.6 LONG PERIODS OF INACTIVITY
  • 3.6.1 BEFORE A PERIOD OF INACTIVITY
  • 3.6.2 DURING A PERIOD OF INACTIVITY
  • 3.6.3 AFTER A PERIOD OF INACTIVITY
  • 3.6.4 RECOMMENDATIONS FOR MACHINES EQUIPPED WITH KOMTRAX SYSTEM DURING LONG PERIODS OF INACTIVITY
  • 3.6.5 ALLOWED AMBIENT TEMPERATURE RANGE DURING THE OPERATION AND STORAGE OF THE MACHINE FOR A LONG TIME
• 3.7 TROUBLESHOOTING
  • 3.7.1 IF FUEL RUNS OUT COMPLETELY
  • 3.7.2 OCCURRENCES THAT ARE NOT FAILURES
  • 3.7.3 REMOVING THE MACHINE
  • 3.7.4 PRECAUTIONS TO BE TAKEN WHEN WORKING IN PARTICULAR CONDITIONS
  • 3.7.5 IF THE BATTERY IS DOWN
    • 3.7.5.1 REMOVING AND INSTALLING THE BATTERY
    • 3.7.5.2 CHARGING THE BATTERY
    • 3.7.5.3 STARTING WITH BOOSTER CABLES
  • 3.7.6 OTHER TROUBLES
    • 3.7.6.1 ELECTRICAL CIRCUIT
    • 3.7.6.2 FRAME
    • 3.7.6.3 ENGINE
• 4.1 GUIDE TO MAINTENANCE
• 4.2 MAINTENANCE NOTES
  • 4.2.1 OIL, FUEL AND COOLANT
    • 4.2.1.1 OIL
    • 4.2.1.2 FUEL
    • 4.2.1.3 COOLANT
    • 4.2.1.4 KOWA ANALYSIS STAGES (KOMATSU OIL WEAR ANALYSIS)
    • 4.2.1.5 STORING OIL AND FUEL
    • 4.2.1.6 FILTERS
  • 4.2.2 NOTES ON THE MAINTENANCE OF THE ELECTRICAL SYSTEM
  • 4.2.3 NOTES ON THE MAINTENANCE OF THE HYDRAULIC SYSTEM
  • 4.2.4 MAINTENANCE NOTES REGARDING LUBRICATION
• 4.3 PARTS SUBJECT TO WEAR
  • 4.3.1 LIST OF THE PARTS SUBJECT TO WEAR
• 4.4 FUEL, COOLANT AND LUBRICANTS
  • 4.4.1 COOLANT
• 4.5 TIGHTENING TORQUES
  • 4.5.1 STANDARD TIGHTENING TORQUES FOR SCREWS AND NUTS
  • 4.5.2 STANDARD TIGHTENING TORQUES FOR FLEXIBLE HOSES (ORFS)
• 4.6 LUBRICATION
  • 4.6.1 LUBRICATION DIAGRAM
• 4.7 PERIODICAL CHANGE OF SAFETY-RELATED COMPONENTS
  • 4.7.1 SAFETY-RELATED PARTS
• 4.8 MAINTENANCE PLAN
  • 4.8.1 MAINTENANCE PLAN
  • 4.8.2 MAINTENANCE INTERVALS IN CASE OF USE OF THE HYDRAULIC BREAKER
    • 4.8.2.a CHANGING THE HYDRAULIC OIL FILTER
    • 4.8.2.b CHANGING THE HYDRAULIC OIL
• 4.9 MAINTENANCE PROCEDURES
  • 4.9.1 WHEN REQUIRED
    • 4.9.1.a CHECKING, CLEANING OR CHANGING THE AIR FILTER CARTRIDGE
    • 4.9.1.b CAB AIR FILTER CHECK AND CLEANING (machines with cab)
    • 4.9.1.c BATTERY ELECTROLYTE LEVEL CHECK
    • 4.9.1.d CLEANING THE FUEL FILTER (WITH WATER SEPARATOR)
    • 4.9.1.e DRAINING THE FUEL TANK
    • 4.9.1.f SHOE FIXING SCREWS CHECK AND TIGHTENING
    • 4.9.1.g CHECKING AND ADJUSTING THE STEEL TRACK TENSION
    • 4.9.1.h CHECKING THE RUBBER TRACKS
    • 4.9.1.i CHECKING AND ADJUSTING THE RUBBER TRACK TENSION
    • 4.9.1.j CHANGING THE RUBBER TRACKS
    • 4.9.1.k CHECKING THE DETERGENT LEVEL IN THE WINDSIELD WASHER RESERVOIR (machines with cab)
    • 4.9.1.l LUBRICATION OF CAB DOOR HINGES (machines with cab)
    • 4.9.1.m WINDSCREEN WIPER CHECK
    • 4.9.1.n BLEEDING THE HYDRAULIC SYSTEM
  • 4.9.2 CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE
  • 4.9.3 MAINTENANCE AFTER THE FIRST 50 HOURS OF OPERATION (Only for machines in which synthetic biodegradable oil type HEES is used)
  • 4.9.4 MAINTENANCE EVERY 100 HOURS OF OPERATION
    • 4.9.4.a LUBRICATION
  • 4.9.5 MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION (Only for machines in which synthetic biodegradable oil type HEES is used)
  • 4.9.6 MAINTENANCE EVERY 500 HOURS OF OPERATION
    • 4.9.6.a CHANGING THE ENGINE OIL AND THE ENGINE OIL FILTER CARTRIDGE
    • 4.9.6.b CHANGING THE FUEL FILTER ELEMENT (WITH WATER SEPARATOR)
    • 4.9.6.c CHECKING THE OIL LEVEL IN THE FINAL REDUCTION GEARS
    • 4.9.6.d CHANGING THE FUEL PUMP PREFILTER
    • 4.9.6.e CHECKING AND CLEANING THE FINS OF THE RADIATOR AND OF THE EXCHANGER
    • 4.9.6.f CHECKING AND ADJUSTING THE FAN BELT TENSION
    • 4.9.6.g DRAINING THE HYDRAULIC OIL TANK (Only for machines in which synthetic biodegradable oil type HEES is used)
  • 4.9.7 MAINTENANCE EVERY 1000 HOURS OF OPERATION
    • 4.9.7.a CHANGING THE HYDRAULIC OIL FILTER
    • 4.9.7.b CHANGING THE OIL IN THE FINAL REDUCTION GEARS
    • 4.9.7.c CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE
  • 4.9.8 MAINTENANCE EVERY 1500 HOURS OF OPERATION
    • 4.9.8.a FUEL INJECTION SYSTEM CHECK AND CLEANING
    • 4.9.8.b ENGINE CASING BREATHER PIPE CHECK
  • 4.9.9 MAINTENANCE EVERY 2000 HOURS OF OPERATION
    • 4.9.9.a CHANGING THE OIL IN THE HYDRAULIC TANK AND CLEANING THE FILTER
    • 4.9.9.b CLEANING OF THE COOLING SYSTEM AND CHANGING THE COOLANT
    • 4.9.9.c CHECKING THE ALTERNATOR AND THE STARTER
• 4.10 FINAL DISPOSAL OF THE MACHINE
• 5.1 TECHNICAL SPECIFICATIONS
• 5.2 EXPLANATION OF LIFT CAPACITY
• 6.1 GENERAL PRECAUTIONS FOR SAFETY
  • 6.1.1 PRECAUTIONS WHEN SELECTING
  • 6.1.2 READ THE INSTRUCTION MANUAL THOROUGHLY
  • 6.1.3 PRECAUTIONS WHEN REMOVING OR INSTALLING
  • 6.1.4 PRECAUTIONS WHEN USING
• 6.2 SPECIFICATIONS
  • 6.2.1 ARM-PIN INFORMATION
• 6.3 GUIDE TO USE THE ACCESSORIES
  • 6.3.1 COMBINATIONS OF WORK EQUIPMENT
  • 6.3.2 ATTACHMENT CONFIGURATION
• 6.4 MACHINE CONFIGURATION FOR THE INSTALLATION OF ATTACHMENTS
  • 6.4.1 POSITION OF THE DEVICES
  • 6.4.2 HYDRAULIC CIRCUIT
    • 6.4.2.1 INSTALLING AND CONNECTING THE EQUIPMENT
    • 6.4.2.2 MAINTENANCE
    • 6.4.2.3 BLEEDING
  • 6.4.3 OPERATING THE EQUIPMENT
  • 6.4.4 LONG PERIODS OF INACTIVITY
• 6.5 PREPARATION FOR EQUIPMENT INSTALLATION (only for machines with proportional controls)
  • 6.5.1 POSITION OF THE DEVICES
  • 6.5.2 HYDRAULIC CIRCUIT
    • 6.5.2.1 INSTALLING AND CONNECTING THE EQUIPMENT (1st-2nd line)
    • 6.5.2.2 INSTALLING AND CONNECTING THE EQUIPMENT (3nd line)
    • 6.5.2.3 MAINTENANCE
    • 6.5.2.4 BLEEDING
  • 6.5.3 USING THE EQUIPMENT
    • 6.5.3.1 WHEN USING HAMMER
    • 6.5.3.2 USE OF GENERIC EQUIPMENT SUCH AS THE CRUSHER
    • 6.5.3.3 OIL FLOW ADJUSTMENT
  • 6.5.4 LONG PERIODS OF INACTIVITY
  • 6.5.5 SPECIFICATIONS
  • 6.5.6 OTHER TROUBLES
    • 6.5.6.1 ELECTRICAL SYSTEM
    • 6.5.6.2 ELECTRONIC CONTROL SYSTEM
  • 6.5.7 TRANSPORTING THE MACHINE
    • 6.5.7.1 LOADING AND UNLOADING THE MACHINE
• 6.6 HYDRAULIC QUICK COUPLER
  • 6.6.1 HYDRAULIC QUICK COUPLER (SINGLE-EFFECT)
    • 6.6.1.1 POSITION OF THE DEVICES
    • 6.6.1.2 FUNCTIONING
  • 6.6.2 HYDRAULIC QUICK COUPLER (DOUBLE-EFFECT)
    • 6.6.2.1 POSITION OF THE DEVICES
    • 6.6.2.2 FUNCTIONING
• 6.7 PRECAUTIONS TO BE TAKEN WHEN USING OPTIONAL EQUIPMENT
  • 6.7.1 HYDRAULIC BREAKER