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Komatsu XT430-2 Manual

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CEAM029102
Operation&Maintenance
Manual
XT430
-2
XT430L
-2
XT450L
-2
CRAWLER FELLER
BUNCHER/HARVESTER
SERIAL NUMBERS XT430-2 A1035
XT430L-2 A2039 and up
XT450L-2 A4053, A4057
ENGINE QSC 8.3
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make
changes or improvements at any time without incurring any obligation to install such changes on products sold previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2016 Komatsu
Printed in U.S.A.
Komatsu America Corp.
March 2016
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0-1
INTRODUCTION 0
XT430-2,XT430L-2,XT450L-2
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INTRODUCTION
0-2 XT430-2,XT430L-2,XT450L-2
FOREWORD
This manual provides rules and guidelines which will help you use this machine safely and effectively. The precautions in this
manual must be followed at all times when performing operation and maintenance. Most accidents are caused by the failure to
follow fundamental safety rules for the operation and maintenance of machines. Accidents can be prevented by knowing
beforehand conditions that may cause a hazard when performing operation and maintenance.
Storage location for the Operation and Maintenance Manual is the 
container attached to the inside of the cab door as shown in the figure to
the right.
Before beginning operation or maintenance, operators and maintenance personnel must always observe
the following points.
• Read this manual thoroughly and understand its contents fully.
• Read the safety messages and safety labels given in this manual carefully so that they should be
understood fully.
Keep this manual at the storage location for the Operation and Maintenance Manual given below so that all
personnel involved in working on the machine can consult it periodically.
In case this manual should be lost or damaged, immediately contact Komatsu or your Komatsu distributor
to obtain a new copy.
When you sell the machine, make sure that this manual should be provided to the new owner together with
the machine.
In this manual, measurements are expressed in international standard units (SI). For the reference 
purpose, weight units used in the past are also displayed in (_).
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INTRODUCTION
XT430-2,XT430L-2,XT450L-2 0-3
SAFETY INFORMATION
Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines. To 
avoid accidents, read, understand and follow all precautions and warnings in this manual and on the machine before 
performing maintenance and machine operations.
The following signal words are used to inform you that there is a potentially hazardous situation that may lead to personal
injury or damage. In this manual and on machine labels, different signal words are used to express the potential level of 
hazard.
Indicates an imminently hazardous situation which, if not avoided, will result in death or 
serious injury. This signal word is to be limited to most extreme situations.
Indicates a potentially hazardous situation which, if not avoided, could result in death or 
serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or 
moderate injury. It may also be used to alert against unsafe practices.
NOTICE
This precautions is given where the machine may be damaged or the service life may be reduced if the precaution
is not followed.
Remark
This word is used for information that is useful to know.
Safety precautions are described in SAFETY section 1.
KOMATSU AMERICA CORP. cannot predict every circumstance that might involve a potential hazard in operation and
maintenance. Therefore the safety message in this manual and on the machine may not include all possible safety precautions. 
If any procedures or actions not specifically recommended or allowed in this manual are used, you must be sure that you and 
others can do such procedures and actions safely and without damaging the machine. If you are unsure about the safety of 
some procedures, contact your local distributor or KOMATSU AMERICA CORP.
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INTRODUCTION
0-4 XT430-2,XT430L-2,XT450L-2
•Safety labels
Safety labels are affixed to the machine to inform the operator or maintenance worker on the spot when carrying out
operation or maintenance of the machine that may involve hazard.
This machine uses "Safety labels using words" and "Safety labels using pictograms" to indicate safety procedures.
Example of safety label using words
Safety labels using pictogram
Safety pictograms use a picture to express a level of hazardous 
condition equivalent to the signal word. These safety pictograms use
pictures in order to let the operator or maintenance worker 
understand the level and type of hazardous condition at all times.
Safety pictograms show the type of hazardous condition at the top or
left side, and the method of avoiding the hazardous condition at the
bottom or right side. In addition, the type of hazardous condition is
displayed inside a triangle and the method of avoiding the hazardous
condition is shown inside a circle.
Komatsu cannot predict every circumstance that might involve a potential hazard in operation and maintenance.
Therefore, the safety messages in this manual and on the machine may not include all possible safety precautions.
If any procedures or actions not specifically recommended or allowed in this manual are used, it is your responsibility to
take the necessary steps to ensure safety.
In no event should you engage in prohibited uses or actions described in this manual.
The explanations, values, and illustrations in this manual were prepared based on the latest information available at that
time. Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in
this manual. Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for
questions regarding information in this manual.
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INTRODUCTION
XT430-2,XT430L-2,XT450L-2 0-5
INTRODUCTION
This manual has been designed to introduce the Operator to the safe and proper use of the Komatsu XT430-2, XT430L-2, and
XT450L-2 Series Track Machines. The instructions furnished in this manual cover the basic machines with the most common
control configurations and options. Customized control settings are not covered in this manual.
Machine Orientation
The following graphics illustrates the machine orientation used throughout the manual. All operating instructions are written
from the operator's viewpoint, seated in the cab, facing forward with the track drive sprockets towards the rear of the machine.
Make sure that you know where the track drive sprockets are in relation to the direction you are facing. If
you have rotated the cab 180° and are facing the track drive sprockets, you will have to press downwards
with your heels on the bottom end of the pedals (reverse) to travel in the direction you are looking.
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INTRODUCTION
0-6 XT430-2,XT430L-2,XT450L-2
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INTRODUCTION
XT430-2,XT430L-2,XT450L-2 0-7
Protective Structure
This machine is ROPS, TOPS, FOPS, FOG, OPS and WCB compliant when plate is installed. Location (as driver setting in
seat, facing forward) over operator’s right shoulder, on rear bulk head. Example below.
Breaking-in The New Machine
Remark
Your Komatsu machine has been thoroughly adjusted and tested before shipment from the factory. However,
operating the machine under full load before breaking the machine in can adversely affect the performance
and shorten the machine life.
Be sure to break in the machine for the initial 100 hours (as indicated on the service meter).
Make sure that you fully understand the content of this manual, and pay careful attention to the following points when 
breaking in the machine.
•Run the engine at idle for 15 seconds after starting it. During this time, do not operate the control levers or fuel control
dial.
•Idle the engine for five minutes after starting it up.
•Avoid operation with heavy loads or at high speeds.
•Immediately after starting the engine, avoid sudden starts, sudden acceleration, unnecessary sudden stops, and sudden
changes in direction.
Product Information
When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items.
4A1-00-10450
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INTRODUCTION
0-8 XT430-2,XT430L-2,XT450L-2
Product Identification Number (Pin)/Machine Serial No. Plate
On the inside of the cab, behind the operator's left shoulder, on the bulkhead.
233 Bar Saw (Option)
Located on the Bar saw
Saw Head Identification Plate.
Located on the saw head.
ZA
View ZA
KPXT0134
MANUFACT. YEAR
......................................................................................................................
......................................................................................................................
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