Komatsu ecot 3 Manual

BULLDOZER
TEN00276-02
D65EX
-15E0
D65PX
-15E0
D65WX
-15E0
SERIAL NUMBERS
D65EX- 71069
D65PX- 71069
D65WX-69105
and up
Komatsu has Operation & Maintenance Manuals
written in some other languages. If a foreign language
manual is necessary, contact your local distributor for
availability.
NOTICE
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.
WARNING

.
1 - 1

.
FOREWORD
BEFORE READING THIS MANUAL
BEFORE READING THIS MANUAL
This manual gives details of the operation and methods of inspection and maintenance for this machine that must
be obeyed in order to use the machine safely. Most accidents are caused by the failure to follow fundamental safety
rules for the operation and maintenance of machines.
Read, understand and follow all precautions and warnings in this manual and on the machine before performing
operation and maintenance. Failure to do so may result in serious injury or death.
Komatsu cannot predict every circumstance that might involve a potential hazard when the machine is used.
Therefore, the safety messages in this manual and on the machine may not include all possible safety precautions.
If you carry out any operation, inspection, or maintenance under conditions that are not described in this manual,
understand that it is your responsibility to take the necessary precautions to ensure safety. In no event should you
or others engage in the prohibited uses or actions described in this manual. Improper operation and maintenance
of the machine can be hazardous and could result in serious injury or death.
If you sell the machine, be sure to give this manual to the new owner together with the machine.
Always keep this Operation and Maintenance Manual in the location shown on the right so that all relevant personnel
can read it at any time.
Operation and Maintenance Manual Storing Place
For a machine with a cab, a pocket is provided on the inside of both
right and left doors.
For a machine with a ROPS canopy, a pocket is provided at the
end of the floor.
If this manual is lost or damaged, contact your distributor immediately to arrange for its replacement. For details
regarding the machine serial No. you will need to provide your Komatsu distributor, see "TABLE TO ENTER SERIAL
NO. AND DISTRIBUTOR (PAGE 1-9)".
This manual uses the international units (SI) for units of measurement. For reference, units that have been used in
the past are given in ( ).
1 - 2

.
FOREWORD
BEFORE READING THIS MANUAL
The explanations, values, and illustrations in this manual have been prepared based on the latest information
available as of the date of its publication. Continuing improvements in the design of this machine may lead to
additional changes that are not reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest
available information concerning your machine or with questions regarding information contained in this manual.
The numbers in circles in the illustrations correspond to the numbers in ( ) in the text.
(For example:1→(1))
Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it has
been shipped. If this machine has been purchased in another country, it may lack certain safety devices and
specifications that are necessary for use in your country. If there is any question about whether your product
complies with the applicable standards and regulations of your country, consult Komatsu or your Komatsu
distributor before operating the machine.
1 - 3

.
FOREWORD
IMPORTANT SAFETY INFORMATION
IMPORTANT SAFETY INFORMATION
To enable you to use the machine safely, and to prevent injury to operators, service personnel or bystanders, the
precautions and warnings included in this manual and the safety signs attached to the machine must always be
followed.
To identify important safety messages in the manual and on the machine labels, the following signal words are used.
The "Safety Alert Symbol" identifies important safety messages on machines, in manuals, and elsewhere. When
you see this symbol, be alert to the risk of personal injury or death. Follow the instructions in the safety message.
This signal word indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
This signal word indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
This signal word indicates a potentially hazardous situation exists which, if not avoided,
may result in minor or moderate injury.
The following signal words are used to alert you to information that must be followed to avoid damage to the
machine.
This precaution is given where the machine may be damaged or the service life reduced if
the precaution is not followed.
This word is used for information that is useful to know.
1 - 4

.
FOREWORD
INTENDED USE
INTENDED USE
USE OF MACHINE
This Komatsu machine is designed to be used mainly for the following work:
Dozing
Smoothing
Cutting into hard or frozen ground or ditching
Felling trees, removing stumps
See the section "WORK POSSIBLE USING BULLDOZER (PAGE 3-106)" for further details.
GENERAL VIEW AND DIRECTIONS OF MACHINE
In this manual, the directions of the machine (front,rear,left,right) are determined according to the view from the
operator's seat in the direction of travel (front) of the machine.
(1)
(2)
(3)
(4)
(5)
(6)
Blade
Tilt cylinder
Lift cylinder
Cab
ROPS guard
Track shoe
(7)
(8)
(9)
(10)
(11)
(12)
Sprocket
Track frame
Step
Frame
Idler
ROPS canopy
(A)
(B)
Front
Rear
(C)
(D)
Left
Right
1 - 5

.
FOREWORD
INTENDED USE
VISIBILITY FROM OPERATOR'S SEAT
The visibility standards (ISO 5006) for this machine require a view shown in the diagram below.
PROXIMITY VISIBILITY
The figure bellows shows a front visibility from the machine at a spot 1.0 m away from the side and 1.5 m above the
ground. Shaded area (A) in the figure shows an area whose view is blocked by part of the machine. Operate the
machine, fully aware that the machine has a portion that an operator cannot see.
12M CIRCUMFERENCE VISIBILITY
The figure below shows a visibility from the machine within a circle of 12 m in radius. Shaded area (B) in the figure
shows an area whose view is blocked by part of the machine. Operate the machine, fully aware that the machine
has a portion that an operator cannot see.
1 - 6

.
FOREWORD
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND
DISTRIBUTOR
When ordering replacement parts, please inform your Komatsu distributor of the following.
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE
This is at the front bottom right of the operator's seat.
The design of the nameplate differs according to the territory.
ENGINE SERIAL NO. PLATE POSITION
The engine serial No. plate is located on the side of the engine front cover on the left side of the machine.
1 - 7

.
FOREWORD
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
ADDITIONAL EPA NAMEPLATE
The additional EPA nameplate is located on top of the engine head cover on the left side of the machine.
EPA: Environmental Protection Agency, U.S.A.
SERVICE METER POSITION
The service meter is provided at the lower part of the monitor panel.
1 - 8

.
FOREWORD
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
Machine serial No.
Engine serial No.
Product identification number (PIN)
Distributor name
Address
Service Personnel
Phone/Fax
1 - 9

.
FOREWORD
CONTENTS
CONTENTS
FOREWORD 1- 1
BEFORE READING THIS MANUAL 1- 2
IMPORTANT SAFETY INFORMATION 1- 4
INTENDED USE 1- 5
USE OF MACHINE 1- 5
GENERAL VIEW AND DIRECTIONS OF MACHINE 1- 5
VISIBILITY FROM OPERATOR'S SEAT 1- 6
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR 1- 7
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE 1- 7
ENGINE SERIAL NO. PLATE POSITION 1- 7
ADDITIONAL EPA NAMEPLATE 1- 8
SERVICE METER POSITION 1- 8
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR 1- 9
SAFETY 2- 1
SAFETY 2- 2
SAFETY LABELS 2- 5
POSITIONS OF SAFETY PICTOGRAMS 2- 5
SAFETY LABELS 2- 6
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE 2- 10
PRECAUTIONS BEFORE STARTING OPERATION 2- 10
PREPARATIONS FOR SAFE OPERATION 2- 10
FIRE PREVENTION 2- 12
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2- 13
DO NOT GET CAUGHT IN WORK EQUIPMENT 2- 14
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2- 15
UNAUTHORIZED MODIFICATION 2- 15
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2- 15
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2- 15
PRECAUTIONS FOR OPERATION 2- 16
PRECAUTIONS FOR JOBSITE 2- 16
STARTING ENGINE 2- 19
OPERATION 2- 21
TRANSPORTATION 2- 25
TOWING 2- 26
PRECAUTIONS FOR MAINTENANCE 2- 27
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE 2- 27
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2- 31
OPERATION 3- 1
GENERAL VIEW 3- 2
GENERAL VIEW OF MACHINE 3- 2
GENERAL VIEW OF CONTROLS AND GAUGES 3- 3
EXPLANATION OF COMPONENTS 3- 6
FRONT PANEL 3- 6
SWITCHES 3- 33
CONTROL LEVERS AND PEDALS 3- 37
CIRCUIT BREAKER 3- 45
FUSE 3- 46
FUSIBLE LINK 3- 48
ELECTRIC POWER TAKE-OUT ADAPTER 3- 48
1 - 10

.
FOREWORD
CONTENTS
CAP WITH LOCK 3- 49
DOOR - OPEN LOCK 3- 51
SASH GLASS INTERMEDIATE LOCK 3- 51
DOOR POCKET 3- 52
OPENING AND CLOSING ENGINE SIDE COVER 3- 52
ASHTRAY 3- 53
CUP HOLDER 3- 53
TOOL BOX 3- 53
SHOVEL HOLDER 3- 54
CAR STEREO, HANDLING 3- 55
AIR CONDITIONER, HANDLING 3- 63
OPERATION 3- 69
CHECK BEFORE STARTING ENGINE, ADJUST 3- 69
STARTING ENGINE 3- 86
OPERATIONS AND CHECKS AFTER STARTING ENGINE 3- 90
STOPPING ENGINE 3- 93
MACHINE OPERATION 3- 94
SHIFTING GEARS 3- 97
SHIFTING BETWEEN FORWARD AND REVERSE 3-100
STEERING MACHINE 3-102
PRECAUTIONS FOR OPERATION 3-104
WORK POSSIBLE USING BULLDOZER 3-106
ADJUSTING POSTURE OF WORK EQUIPMENT 3-108
PARKING MACHINE 3-112
CHECK AFTER FINISHING WORK 3-113
LOCKING 3-114
TIPS FOR LONGER UNDERCARRIAGE LIFE 3-115
TRANSPORTATION 3-118
TRANSPORTATION MEANS 3-118
REMOVING CAB 3-118
PRECAUTIONS WHEN REMOVING WORK EQUIPMENT 3-119
PRECAUTIONS WHEN REMOVING ROPS 3-119
LOADING, UNLOADING WORK 3-120
LIFTING MACHINE 3-123
TRAVELING ON ROADS 3-125
COLD WEATHER OPERATION 3-126
PRECAUTIONS FOR LOW TEMPERATURE 3-126
AFTER COMPLETION OF WORK 3-127
AFTER COLD WEATHER 3-127
LONG-TERM STORAGE 3-128
BEFORE STORAGE 3-128
DURING STORAGE 3-128
AFTER STORAGE 3-128
TROUBLESHOOTING 3-129
AFTER RUNNING OUT OF FUEL 3-129
METHOD OF TOWING MACHINE 3-130
IF BATTERY IS DISCHARGED 3-131
OTHER TROUBLE 3-135
MAINTENANCE 4- 1
GUIDE TO MAINTENANCE 4- 2
1 - 11

.
FOREWORD
CONTENTS
OUTLINE OF SERVICE 4- 5
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC 4- 5
RELATING TO ELECTRIC SYSTEM 4- 8
HANDLING HYDRAULIC SYSTEM 4- 9
WEAR PARTS LIST 4- 10
WEAR PARTS LIST 4- 10
RECOMMENDED FUEL, COOLANT, AND LUBRICANT 4- 12
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 4- 13
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN
KOMATSU GENUINE OIL 4- 14
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS 4- 15
TORQUE LIST 4- 15
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS 4- 16
SAFETY CRITICAL PARTS 4- 16
MAINTENANCE SCHEDULE CHART 4- 18
MAINTENANCE SCHEDULE CHART 4- 18
SERVICE PROCEDURE 4- 20
WHEN REQUIRED 4- 20
CHECK BEFORE STARTING 4- 49
EVERY 50 HOURS SERVICE 4- 50
EVERY 250 HOURS SERVICE 4- 51
EVERY 500 HOURS SERVICE 4- 60
EVERY 1000 HOURS SERVICE 4- 66
EVERY 2000 HOURS SERVICE 4- 75
EVERY 4000 HOURS SERVICE 4- 81
EVERY 8000 HOURS SERVICE 4- 84
SPECIFICATIONS 5- 1
SPECIFICATIONS 5- 2
ATTACHMENTS, OPTIONS 6- 1
GENERAL PRECAUTIONS 6- 2
PRECAUTIONS RELATED TO SAFETY 6- 2
SELECTION OF TRACK SHOE 6- 3
METHOD OF SELECTING SHOES 6- 3
HANDLING HYDRAULIC RIPPER 6- 4
GENERAL VIEW 6- 4
EXPLANATION OF COMPONENTS 6- 5
OPERATION 6- 6
TROUBLESHOOTING 6- 8
MAINTENANCE 6- 9
SPECIFICATIONS 6- 9
HANDLING TRIMMING DOZER 6- 10
GENERAL VIEW 6- 10
EXPLANATION OF COMPONENTS 6- 11
OPERATION 6- 13
MAINTENANCE 6- 16
SPECIFICATIONS 6- 20
AIR SUSPENSION SEAT 6- 21
DELUXE SEAT 6- 23
HEADREST 6- 25
EQUIPPING FIRE EXTINGUISHER AND FIRST-AID KIT 6- 26
1 - 12

.
FOREWORD
CONTENTS
HANDLING MACHINES EQUIPPED WITH KOMTRAX 6- 27
BASIC PRECAUTIONS 6- 27
INDEX 7- 1
1 - 13

.

.
2 - 1

.
SAFETY
SAFETY
SAFETY
SAFETY LABELS 2- 5
POSITIONS OF SAFETY PICTOGRAMS 2- 5
SAFETY LABELS 2- 6
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE 2- 10
PRECAUTIONS BEFORE STARTING OPERATION 2- 10
ENSURING SAFE OPERATION 2- 10
UNDERSTANDING THE MACHINE 2- 10
PREPARATIONS FOR SAFE OPERATION 2- 10
PRECAUTIONS REGARDING SAFETY-RELATED EQUIPMENT 2- 10
INSPECTING MACHINE 2- 10
WEAR WELL-FITTING CLOTHES AND PROTECTIVE EQUIPMENT 2- 10
KEEP MACHINE CLEAN 2- 11
PRECAUTIONS INSIDE OPERATOR'S COMPARTMENT 2- 11
PROVIDE FIRE EXTINGUISHER AND FIRST AID KIT 2- 11
IF ANY PROBLEM IS FOUND 2- 11
FIRE PREVENTION 2- 12
ACTION IF FIRE OCCURS 2- 12
PRECAUTIONS TO PREVENT FIRE 2- 12
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2- 13
USE HANDRAILS AND STEPS WHEN GETTING ON OR OFF MACHINE 2- 13
NO JUMPING ON OR OFF MACHINE 2- 13
NO PEOPLE ON ATTACHMENTS 2- 14
PRECAUTIONS WHEN STANDING UP FROM OPERATOR'S SEAT 2- 14
PRECAUTIONS WHEN LEAVING MACHINE 2- 14
EMERGENCY EXIT FROM OPERATOR'S CAB 2- 14
DO NOT GET CAUGHT IN WORK EQUIPMENT 2- 14
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2- 15
UNAUTHORIZED MODIFICATION 2- 15
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2- 15
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2- 15
2 - 2

.
SAFETY
SAFETY
PRECAUTIONS FOR OPERATION 2- 16
PRECAUTIONS FOR JOBSITE 2- 16
INVESTIGATE AND CONFIRM JOBSITE CONDITIONS 2- 16
WORKING ON LOOSE GROUND 2- 16
DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES 2- 17
ENSURE GOOD VISIBILITY 2- 17
CHECKING SIGNS AND SIGNALMAN'S SIGNALS 2- 17
BEWARE OF ASBESTOS DUST 2- 18
STARTING ENGINE 2- 19
USE WARNING TAGS 2- 19
CHECKS BEFORE STARTING ENGINE 2- 19
PRECAUTIONS WHEN STARTING 2- 20
PRECAUTIONS IN COLD AREAS 2- 20
STARTING WITH BOOSTER CABLES 2- 20
OPERATION 2- 21
CHECKS BEFORE OPERATION 2- 21
PRECAUTIONS WHEN TRAVELING IN FORWARD OR REVERSE 2- 21
PRECAUTIONS WHEN TRAVELING 2- 22
TRAVELING ON SLOPES 2- 23
PRECAUTIONS WHEN OPERATING 2- 23
METHOD OF USING BRAKES 2- 23
TRAVELING ON SNOW-COVERED OR FROZEN SURFACES 2- 18
PARKING MACHINE 2- 24
TRANSPORTATION 2- 25
LOADING AND UNLOADING 2- 25
TOWING 2- 26
PRECAUTIONS WHEN TOWING 2- 26
2 - 3

.
SAFETY
SAFETY
PRECAUTIONS FOR MAINTENANCE 2- 27
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE 2- 27
DISPLAY WARNING TAG DURING INSPECTION AND MAINTENANCE 2- 27
KEEP WORKPLACE CLEAN AND TIDY 2- 27
SELECT SUITABLE PLACE FOR INSPECTION AND MAINTENANCE 2- 27
ONLY AUTHORIZED PERSONNEL 2- 27
APPOINT LEADER WHEN WORKING WITH OTHERS 2- 27
STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE 2- 28
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING 2- 29
INSTALLING, REMOVING, OR STORING ATTACHMENTS 2- 29
PRECAUTIONS WHEN WORKING AT HIGH PLACES 2- 29
PRECAUTIONS WHEN WORKING UNDER MACHINE OR WORK EQUIPMENT 2- 30
PROPER TOOLS 2- 30
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2- 31
PRECAUTIONS WHEN WELDING 2- 31
HANDLING BATTERY 2- 31
PRECAUTIONS WHEN USING HAMMER 2- 32
PRECAUTIONS WITH HIGH-TEMPERATURE COOLANT 2- 32
PRECAUTIONS WITH HIGH-TEMPERATURE OIL 2- 32
PRECAUTIONS WITH HIGH-PRESSURE OIL 2- 33
PRECAUTIONS WITH HIGH-PRESSURE FUEL 2- 33
HANDLING HIGH-PRESSURE HOSES AND PIPING 2- 33
NOISE 2- 33
PRECAUTIONS WITH HIGH-PRESSURE GREASE WHEN ADJUSTING TRACK TENSION 2- 34
DO NOT DISASSEMBLE RECOIL SPRING 2- 34
HANDLING ACCUMULATOR AND GAS SPRING 2- 34
PRECAUTIONS WITH COMPRESSED AIR 2- 35
MAINTENANCE OF AIR CONDITIONER 2- 35
DISPOSING OF WASTE MATERIALS 2- 35
METHOD OF SELECTING WINDOW WASHER FLUID 2- 35
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS 2- 35
2 - 4

.
SAFETY
SAFETY LABELS
SAFETY LABELS
The following safety labels are used on this machine.
Make sure that you fully understand the location and content of each safety label, together with the means of
avoiding the danger shown.
To ensure that the contents of safety labels can be read properly, be sure that they are in the correct place and
always keep them clean. When cleaning the labels, do not use organic solvents or gasoline. They may cause the
labels to peel off.
If the labels are damaged, lost, or cannot be read properly, contact your Komatsu distributor immediately
regarding their replacement. For details concerning the part numbers for the labels, see this manual or the actual
label.
There are also other labels on the machine in addition to the safety labels. Handle those labels in the same way.
POSITIONS OF SAFETY PICTOGRAMS
2 - 5