Table of Contents
Advertisement
Quick Links
BULLDOZER
Unsafe use of this machine may cause serious injury or
death. Operators and maintenance personnel must read
this manual before operating or maintaining this machine.
This manual should be kept near the machine for
reference and periodically reviewed by all personnel who
will come into contact with it.
Komatsu has Operation & Maintenance Manuals
written in some other languages. If a foreign language
manual is necessary, contact your local distributor for
availability.
D61EX
D61PX
SERIAL NUMBERS
WARNING
NOTICE
TEN00709-03
-24
-24
40001
and up
Advertisement
Chapters
Table of Contents
Related Manuals for Komatsu D61PX-24
Summarization of Contents
FOREWORD
READ THIS MANUAL
Essential guide for safe operation and maintenance of the machine.
SAFETY INFORMATION
Details on signal words and symbols for important safety messages.
INTRODUCTION
Overview of the machine's intended use and operational directions.
PRODUCT INFORMATION
Details on identifying machine serial numbers and part locations.
ENGINE TECHNOLOGY TO CONFORM EXHAUST GAS EMISSION
Explains Komatsu's exhaust emission control technology and Diesel Exhaust Fluid (DEF).
SAFETY
SAFETY LABELS
Guidelines for handling, maintaining, and understanding safety labels on the machine.
LOCATION OF SAFETY LABELS
Visual identification and numbering of safety labels on the machine.
CONTENTS OF SAFETY LABELS
Detailed explanations of specific safety labels and their meanings.
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE
Crucial safety rules applicable to all operations and maintenance tasks.
PRECAUTIONS TO PREVENT FIRE
Measures to prevent fires caused by fuel, oil, electrical systems, or combustible materials.
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE
Safe procedures for mounting and dismounting the machine to prevent falls.
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES
Safety considerations regarding ROPS/FOPS structures and seat belt usage.
PRECAUTIONS FOR OPERATION
Guidelines for safe operation in various jobsite conditions and scenarios.
PRECAUTIONS WHEN TRAVELING
Safety measures to prevent accidents during machine movement.
PRECAUTIONS WHEN TRAVELING ON SLOPES
Specific safety advice for operating on inclines to prevent tipping or slipping.
PRECAUTIONS WHEN PARKING MACHINE
Safe procedures for parking the machine to prevent accidental movement.
PRECAUTIONS FOR TRANSPORTATION
Safety guidelines for transporting the machine via trailer.
LOADING AND UNLOADING WITH TRAILER
Step-by-step procedures for safely loading and unloading the machine.
METHOD FOR LIFTING MACHINE
Safe practices and procedures for lifting the machine using lifting equipment.
COLD WEATHER OPERATION
Precautions and procedures for operating the machine in cold weather conditions.
PRECAUTIONS AFTER DAILY WORK COMPLETION
Steps to take at the end of the workday to prevent freezing and ensure readiness.
PRECAUTIONS FOR LONG-TERM STORAGE
Procedures for preparing and storing the machine for extended periods.
STARTING MACHINE AFTER LONG-TERM STORAGE
Steps to follow before using the machine after a long storage period.
TROUBLES AND ACTIONS
Troubleshooting common issues and actions for electrical and mechanical problems.
PRECAUTIONS FOR TOWING MACHINE
Safety measures and procedures for towing a disabled machine.
PRECAUTIONS FOR DISCHARGED BATTERY
Safety guidelines for handling and charging a discharged battery.
START ENGINE WITH JUMPER CABLES
Safe procedures for jump-starting the engine using jumper cables.
PHENOMENA AND ACTIONS FOR ELECTRICAL SYSTEM
Troubleshooting guide for common electrical system issues and their remedies.
PHENOMENA AND ACTIONS FOR CHASSIS
Troubleshooting guide for common chassis-related problems and their remedies.
PHENOMENA AND ACTIONS FOR ENGINE RELATED PARTS
Troubleshooting guide for engine-related issues and recommended actions.
IF MACHINE MONITOR SHOWS WARNING DISPLAY
How to interpret and respond to warning displays on the machine monitor.
MAINTENANCE
PRECAUTIONS FOR MAINTENANCE
General safety guidelines and essential checks before performing maintenance.
CHECK SERVICE METER READING
Importance of checking the service meter for scheduled maintenance.
KOMATSU GENUINE REPLACEMENT PARTS
Recommendation to use genuine Komatsu parts for replacement.
KOMATSU GENUINE LUBRICANTS
Recommendation to use genuine Komatsu lubricants for machine lubrication.
FRESH AND CLEAN LUBRICANTS
Importance of using clean lubricants and keeping containers clean.
CHECK DRAINED OIL AND USED FILTER
Procedure for inspecting drained oil and used filters for metal particles.
PRECAUTIONS FOR REFILLING OIL OR FUEL
Caution regarding strainers when refilling oil or fuel.
PRECAUTIONS FOR ADDING DEF
Important reminder about not removing strainers when adding DEF.
PRECAUTIONS FOR WELDING
Safety precautions to be followed when performing welding operations.
DO NOT DROP THINGS INSIDE MACHINE
Warning against dropping objects into the machine during inspection.
PRECAUTIONS FOR KDPF
Safety considerations when working near the KDPF, especially after regeneration.
PRECAUTIONS FOR SCR ASSEMBLY
Safety precautions when performing maintenance on SCR assembly parts.
DUSTY JOBSITES
Maintenance advice for operating in dusty environments.
AVOID MIXING OIL
Prohibition against mixing different brands or grades of oil.
PRECAUTIONS FOR OPENING AND CLOSING RADIATOR GRILLE
Safety steps for opening and closing the radiator grille.
LOCK INSPECTION COVERS
Importance of locking inspection covers to prevent accidental closure.
BLEED AIR FROM HYDRAULIC CIRCUIT
Procedure for bleeding air from the hydraulic circuit after repairs.
PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES
Guidelines for installing hydraulic hoses to ensure longevity and prevent damage.
CHECKS AFTER INSPECTION AND MAINTENANCE
Essential checks to perform after completing inspection and maintenance.
FUEL AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE
Importance of selecting appropriate fuel and lubricants based on ambient temperature.
OUTLINE OF MAINTENANCE
General overview of recommended maintenance practices and Komatsu genuine parts.
HANDLE OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC
Guidance on handling oils, fuels, coolants, and performing oil analysis.
PERFORM KOWA (Komatsu Oil Wear Analysis)
Explanation of Komatsu Oil Wear Analysis service for early detection of machine wear.
STORE OIL AND FUEL
Proper methods for storing oil and fuel to maintain quality.
STORE DEF
Guidelines for storing Diesel Exhaust Fluid (DEF) to maintain quality and prevent contamination.
FILTER
Importance of filters and their periodic replacement.
HANDLE ELECTRICAL COMPONENTS
Safety precautions when working with electrical components.
HANDLE HYDRAULIC COMPONENTS
Safety considerations when performing maintenance on hydraulic components.
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
Table of standard tightening torques for metric nuts and bolts.
MAINTENANCE SCHEDULE
Overview of the machine's maintenance schedule and intervals.
MAINTENANCE SCHEDULE TABLE
Comprehensive table detailing maintenance tasks and their intervals.
MAINTENANCE INTERVAL WHEN DIESEL FUEL MIXED WITH BIO-FUEL IS USED
Adjustments to maintenance intervals when using bio-fuel blended diesel.
METHOD FOR CHECKING, CLEANING AND REPLACING AIR CLEANER
Procedures for checking, cleaning, and replacing the air cleaner element.
METHOD FOR CLEANING AND REPLACING OUTER ELEMENT
Steps for cleaning and replacing the outer air cleaner element.
METHOD FOR REPLACING ELEMENT
Procedure for replacing the inner and outer air cleaner elements.
METHOD FOR CHECKING AND CLEANING RADIATOR FIN
Steps for cleaning and checking the radiator and oil cooler fins.
METHOD FOR CHECKING AND ADJUSTING TRACK TENSION
Procedures for checking and adjusting track tension for optimal undercarriage life.
METHOD FOR DECREASING TRACK TENSION
Safe procedure for decreasing track tension.
METHOD FOR CHECKING LOOSENESS AND TIGHTENING TRACK SHOE BOLTS
How to check and tighten track shoe bolts to prevent breakage.
METHOD FOR RETIGHTENING MASTER LINK CONNECTING BOLT
Procedure for retightening master link connecting bolts.
METHOD FOR CHECKING IDLER OIL LEVEL
Procedure for checking the oil level in the idler.
METHOD FOR CHECKING AND ADJUSTING IDLER CLEARANCE
Steps for checking and adjusting the idler clearance.
METHOD FOR INVERTING AND REPLACING CUTTING EDGE AND END BIT
Procedures for inverting or replacing the cutting edge and end bit.
CLEAN AND CHECK RADIATOR FINS AND OIL COOLER FINS
Instructions for cleaning and checking radiator and oil cooler fins.
METHOD FOR CLEANING FIN BY ROTATING HYDRAULIC DRIVE FAN IN RE VERSE
Procedure for cleaning radiator fins using the reverse fan rotation.
METHOD FOR CHECKING DOOR LATCH
How to check and lubricate the door latch.
METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID
Procedures for checking and adding window washer fluid.
METHOD FOR CHECKING WIPER BLADE
Visual inspection guide for wiper blades and conditions for replacement.
METHOD FOR REPLACING WIPER BLADE
Steps for replacing wiper blades on the front, rear, and door.
METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER
Procedures for checking and maintaining the air conditioner system.
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT
Steps to bleed air from the hydraulic circuit after repairs.
METHOD FOR RELEASING PRESSURE IN HYDRAULIC CIRCUIT
Procedures for safely releasing pressure from the hydraulic circuit.
METHOD FOR CHECKING ELECTRICAL INTAKE AIR HEATER
Checking the electrical intake air heater, especially before cold weather.
METHOD FOR ADJUSTING SHIMS AT CENTER BALL
Procedure for adjusting shims at the center ball to correct blade play.
CHECKS BEFORE STARTING
List of items to check before starting the engine, referring to the Operation section.
EVERY 50 HOURS MAINTENANCE
Maintenance tasks to be performed every 50 operating hours.
METHOD FOR LUBRICATING
Lubrication points and procedures for 50-hour service.
METHOD FOR LUBRICATING EQUALIZER BAR CENTER PIN
Lubrication procedure for the equalizer bar center pin.
EVERY 250 HOURS MAINTENANCE
Maintenance tasks to be performed every 250 operating hours.
METHOD FOR LUBRICATING
Lubrication points and procedures for 250-hour service.
METHOD FOR LUBRICATING EQUALIZER BAR SIDE PIN
Lubrication procedure for the equalizer bar side pins.
METHOD FOR CHECKING OIL LEVEL IN FINAL DRIVE CASE, ADDING OIL
Procedure for checking and adding oil in the final drive case.
METHOD FOR CHECKING BATTERY ELECTROLYTE LEVEL
Safety precautions and procedures for checking battery electrolyte levels.
METHOD FOR CHECKING ELECTROLYTE LEVEL FROM SIDE OF BATTERY
Checking battery electrolyte level from the side of the battery.
METHOD FOR CHECKING ELECTROLYTE LEVEL WHEN IT IS IMPOSSIBLE TO CHECK FROM SIDE OF BATTERY
Alternative method for checking electrolyte level when side check is not possible.
METHOD FOR CHECKING BRAKE PERFORMANCE
Procedure to test the machine's brake performance.
EVERY 500 HOURS MAINTENANCE
Maintenance tasks to be performed every 500 operating hours.
METHOD FOR CHANGING OIL IN ENGINE OIL PAN, REPLACING ENGINE OIL FILTER CARTRIDGE
Steps for changing engine oil and replacing the oil filter cartridge.
METHOD FOR REPLACING FUEL MAIN FILTER CARTRIDGE
Procedure for replacing the fuel main filter cartridge.
METHOD FOR REPLACING FUEL TANK BREATHER ELEMENT
Steps for replacing the fuel tank breather element.
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE CLAMPS
Checking the tightening of engine intake pipe clamps.
METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT
Procedure for replacing the hydraulic tank breather element.
METHOD FOR REPLACING DEF TANK BREATHER ELEMENT
Steps for replacing the DEF tank breather element.
CHECK AND REPLACE ALTERNATOR DRIVE BELT TENSION AND REPLACING ALTERNATOR BELT
Checking alternator drive belt tension and replacing the belt.
METHOD FOR CHECKING FOR LOOSE ROPS MOUNT BOLTS
Checking and tightening ROPS mount bolts.
EVERY 2000 HOURS MAINTENANCE
Maintenance tasks to be performed every 2000 operating hours.
METHOD FOR CHANGING OIL IN HYDRAULIC TANK, REPLACING HYDRAULIC OIL FILTER ELEMENT, REPLACING HST OIL FILTER CARTRIDGE, AND CLEAN ING HYDRAULIC TANK STRAINER
Procedures for hydraulic system oil and filter maintenance.
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT)
Procedure for replacing the accumulator in the control circuit.
METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH-PRESSURE PIP ING CLAMP, HARDENING OF RUBBER
Checking engine high-pressure piping clamps and rubber for looseness or hardening.
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER
Checking fuel spray prevention caps and rubber for hardening or missing.
EVERY 4500 HOURS MAINTENANCE
Maintenance tasks for 4500 hours, including filter and tank cleaning.
METHOD FOR CLEANING KDPF
Procedure for cleaning the Komatsu Diesel Particulate Filter (KDPF).
METHOD FOR CLEANING DEF TANK
Instructions for cleaning the Diesel Exhaust Fluid (DEF) tank.
METHOD FOR CLEANING DEF TANK MOUNTING PORTION
Procedure for cleaning the mounting portion of the DEF tank.
EVERY 8000 HOURS MAINTENANCE
Maintenance tasks for 8000 hours, including fuel spray prevention cap replacement.
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP
Procedure for replacing the fuel spray prevention caps.
EVERY 9000 HOURS MAINTENANCE
Maintenance tasks for 9000 hours, including DEF hose replacement.
METHOD FOR REPLACING DEF HOSE
Procedure for replacing the Diesel Exhaust Fluid (DEF) hose.
SPECIFICATIONS
SPECIFICATIONS: D61EX-24
Technical specifications for the D61EX-24 bulldozer model.
SPECIFICATIONS: D61PX-24
Technical specifications for the D61PX-24 bulldozer model.
ATTACHMENTS AND OPTIONS
GENERAL PRECAUTIONS
General safety guidelines for installing and using attachments and options.
PRECAUTIONS FOR SAFETY
Safety warnings regarding unauthorized attachments and proper installation procedures.
HANDLE HYDRAULIC RIPPER
Information and components of the hydraulic ripper attachment for D61EX.
EXPLANATION OF COMPONENTS
Explanation of the ripper control lever and its operation.
MACHINE OPERATIONS AND CONTROLS
Checks and adjustments before starting engine with ripper attachment.
METHOD FOR ADJUSTING DIGGING DEPTH
Procedure for adjusting the ripper's digging depth using pin holes.
METHOD FOR REPLACING RIPPER POINT
Steps for replacing a worn ripper point to protect the shank.
TROUBLES AND ACTIONS
Troubleshooting common issues related to the hydraulic ripper.
CHECK AND MAINTENANCE
Maintenance schedule and procedures for the hydraulic ripper attachment.
METHOD FOR LUBRICATING
Lubrication points for the hydraulic ripper attachment.
METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING OIL
Procedure for checking and adding hydraulic oil for the ripper.
SPECIFICATIONS: D61EX-24
Specifications for the D61EX-24 bulldozer when equipped with a ripper.
HANDLE 3m WIDTH BLADE
Information and general view of the 3m wide blade attachment.
MACHINE OPERATIONS AND CONTROLS
Prohibited operations and transportation procedures for the 3m wide blade.
PROHIBITED OPERATIONS
Operations that should be avoided when using the 3m wide blade.
TRANSPORTATION PROCEDURE
Guidelines for safely transporting the machine with the 3m wide blade.
METHOD FOR FOLDING BLADE
Safe procedures for folding and unfolding the 3m wide blade.
METHOD FOR UNFOLDING BLADE
Procedure to unfold the blade in the reverse order of folding.
CHECK AND MAINTENANCE
Maintenance checks for the blade boss, including play adjustment.
METHOD FOR ADJUSTING PLAY IN BLADE BOSS
Steps to adjust play in the blade boss using shims to ensure stable operation.
SPECIFICATIONS: D61PX-24
Specifications for the D61PX-24 bulldozer with a 3m wide blade.
REPLACEMENT PARTS
PERIODIC REPLACEMENT OF DEFINED LIFE PARTS
Identifies critical safety and fire prevention parts requiring periodic replacement.
DEFINED LIFE PARTS LIST
List of parts with defined replacement intervals based on usage or time.
CONSUMABLE PARTS
List of parts that need replacement at regular intervals or before wear limit.
CONSUMABLE PARTS LIST
Detailed list of consumable parts, their part numbers, and replacement intervals.
RECOMMENDED FUEL, COOLANT, AND LUBRICANT
Recommendations for fuel, coolant, and lubricants to ensure machine reliability and durability.
LUBRICATION CHART
Chart showing lubrication points, types of lubricant, and intervals using symbols.
METHOD FOR USING FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
Guidelines for selecting fuel, coolant, and lubricants based on ambient temperature.
RECOMMENDED BRANDS AND QUALITIES OTHER THAN KOMATSU GENUINE OILS
Advice on using commercially available oils other than Komatsu genuine options.
Need help?
Do you have a question about the D61PX-24 and is the answer not in the manual?
Questions and answers