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6D125E-5 ENGINE 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.
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INTRODUCTION PC490LC-10 Find manuals at https://best-manuals.com...
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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 is lost or damaged, immediately contact Komatsu or your Komatsu distributor to obtain a new copy. •...
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.
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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.
INTRODUCTION INTRODUCTION This Komatsu machine is designed to be used mainly for the following work: • Digging work • Leveling work • Ditching work • Loading work • Demolition work See “RECOMMENDED APPLICATIONS” on page 2-197 for further details. Directions of Machine...
Structure to Protect the Operator This machine is equipped with a structure to protect the operator (ROPS) conforming to ISO12117-2. PC490LC-10 Find manuals at https://best-manuals.com...
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.
INTRODUCTION Product Information When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. Product Identification Number (Pin)/Machine Serial No. Plate The plate is located on the bottom right of the operator's cab. The design of the nameplate differs according to the territory.
Your Machine Serial Numbers and Distributor Machine serial No. Engine serial No. Product identification number (PIN) Distributor name Address Service Personnel Phone/Fax Engine Acronyms Acronym Stands for KDPF Komatsu Diesel Particulate Filter KVGT Komatsu Variable Geometry Turbo KCCV Komatsu Closed Crankcase Ventilation PC490LC-10...
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Please read and make sure that you fully understand the precautions described in this manual and the safety labels on the machine. Read and follow all safety precautions. Failure to do so may result in serious injury or death. PC490LC-10...
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If the labels are damaged, lost, or cannot be read properly, replace them with new ones. For details of the part numbers for the labels, see this manual or the actual label, and place an order with Komatsu distributor. Location Of Safety Labels ★: If equipped.
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Follow instructions and warnings in manual and in labels on machine. Keep manual in machine cab near operator. Contact Komatsu distributor for a replacement manual. Caution before operating (09802-03000) WARNING - To prevent SEVERE INJURY or DEATH do the following before moving machine or its attachments: •...
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WARNING - In order to prevent an accident resulting in injury or death caused by error-operation, confirm the machine motion and indicated operating pattern, when operating machine. Pay attention to the circumference and operate slowly when confirming the machine motion. PC490LC-10...
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Slowly loosen cap to relieve pressure before removing. Caution with high-temperature coolant (09668-03001) WARNING - Hot water hazard. To prevent hot water from spurting out: • Turn engine off. • Allow water to cool. • Slowly loosen cap to relieve pressure before removing. PC490LC-10...
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• When loosening track shoe, if it does not loosen after turning lubricator ONE TURN, ask Komatsu dealer or distributor to disassemble. 12. Caution when handling cable (09808-03000) WARNING - Improper use of booster cables and battery cables can cause an explosion resulting in serious injury or death.
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Before moving, look around and at mirror and monitor to confirm that no one is around the machine. Failure to do so can result in serious injury or death. 17. Prohibited to enter swing radius (09133-23000) DANGER - Keep off swing area. PC490LC-10...
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