Table of Contents
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Operation & Maintenance
Manual
HYDRAULIC EXCAVATOR
SERIAL NUMBERS
ENGINE
This material is proprietary to Komatsu America International Company and is not to be reproduced, used, or
disclosed except in accordance with written authorization from Komatsu America International Company.
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.
August 2016
PC490LC-11 A41001
6D125E-6
Copyright 2016 Komatsu
Printed in U.S.A
Komatsu America Corp.
CEAM028104
-11
and up
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Table of Contents
Related Manuals for Komatsu PC490LC-11
Summary of Contents for Komatsu PC490LC-11
- Page 1 6D125E-6 ENGINE This material is proprietary to Komatsu America International Company and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America International Company. 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.
- Page 2 Find manuals at https://best-manuals.com...
- Page 3 FOREWORD Find manuals at https://best-manuals.com...
- Page 4 Keep it in the magazine box on the left side of the operator's seat. If this manual is lost or damaged, contact Komatsu or your Komatsu distributor and tell them about the machine model name and the serial No. immediately to arrange for its replacement.
- Page 5 FOREWORD SAFETY INFORMATION SAFETY INFORMATION To enable you to use the machine safely, and to prevent personal injury to operators, service personnel or by- standers, the precautions and warnings included in this manual and the safety signs attached to the machine must always be observed.
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Page 6: Introduction
INTRODUCTION FOREWORD INTRODUCTION MAIN USE OF MACHINE This Komatsu machine is designed to be used mainly for the following work: • Digging work • Ditching work • Loading work • Leveling work • Demolition work For details of work procedure, see MACHINE OPERATIONS AND CONTROLS “RECOMMENDED APPLICA- TIONS (3-220)”. -
Page 7: Visibility From Operator's Seat
FOREWORD INTRODUCTION VISIBILITY FROM OPERATOR'S SEAT The visibility of this machine required by visibility standards (ISO 5006) are shown in the drawing below. Proximity visibility The figure below shows a visibility from the machine at a spot 1.0 ｍ away from outside the machine and 1.5 ｍ above the ground. -
Page 8: Engine Technology To Conform Exhaust Gas Emission
Catalytic Reduction (SCR) to conform EPA Tier4 Final emission regulation in North America. • Komatsu Diesel Particulate Filter (KDPF): A device which captures diesel particular matter or soot in the exhaust gas to purify exhaust gas. If soot is accumulated to a certain level in the filter, a purification process to burn the soot is performed automatically to keep the filtering performance of KDPF high. -
Page 9: Product Information
FOREWORD PRODUCT INFORMATION PRODUCT INFORMATION When requesting service or ordering replacement parts, inform your Komatsu distributor of the following items. LOCATION OF PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERI- AL NO. PLATE It is located on the right bottom of the operator's cab. -
Page 10: Service Meter Location
PRODUCT INFORMATION FOREWORD SERVICE METER LOCATION This is displayed on the machine monitor. YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR Machine serial No. Engine serial No. Product identification number (PIN) Distributor name Address Phone/Fax Service personnel Find manuals at https://best-manuals.com... -
Page 11: Table Of Contents
FOREWORD TABLE OF CONTENTS TABLE OF CONTENTS FOREWORD..............................1-1 BEFORE READING THIS MANUAL ......................1-2 SAFETY INFORMATION .......................... 1-3 INTRODUCTION ............................1-4 MAIN USE OF MACHINE ........................1-4 DIRECTIONS OF MACHINE......................1-4 VISIBILITY FROM OPERATOR'S SEAT .................... 1-5 ENGINE TECHNOLOGY TO CONFORM EXHAUST GAS EMISSION ............. 1-6 PRODUCT INFORMATION........................ - Page 12 OTHER TROUBLE......................... 3-282 MAINTENANCE............................... 4-1 PRECAUTIONS FOR MAINTENANCE ..................... 4-2 CHECK SERVICE METER READING ....................4-2 KOMATSU GENUINE REPLACEMENT PARTS ................4-2 KOMATSU GENUINE LUBRICANTS ....................4-2 ALWAYS USE CLEAN WASHER FLUID .................... 4-2 FRESH AND CLEAN LUBRICANTS ....................4-2 CHECK DRAINED OIL AND USED FILTER..................
- Page 13 EVERY 8000 HOURS MAINTENANCE ................... 4-91 EVERY 9000 HOURS MAINTENANCE ................... 4-92 SPECIFICATIONS ............................5-1 SPECIFICATIONS ............................ 5-2 SPECIFICATIONS: PC490LC-11 ....................... 5-2 ATTACHMENTS AND OPTIONS ........................6-1 PRECAUTIONS FOR USING ATTACHMENT AND OPTIONS..............6-2 PRECAUTIONS WHEN SELECTING ....................6-2 READ THE OPERATION AND MAINTENANCE MANUAL THOROUGHLY........6-2 PRECAUTIONS WHEN REMOVING AND INSTALLING ..............
- Page 14 CONSUMABLE PARTS ........................7-3 RECOMMENDED FUEL, COOLANT, AND LUBRICANT ................7-5 LUBRICATION CHART ........................7-6 USE OF FUEL, COOLANT AND LUBRICANTS TO ACCORDING TO AMBIENT TEMPERATURE ................................7-7 RECOMMENDED BRANDS AND QUALITIES OTHER THAN KOMATSU GENUINE OILS ....7-8 INDEX................................8-1 1-12...
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Page 15: Safety
SAFETY Please read and make sure that you fully understand the precautions descri- bed in this manual and the safety labels on the machine. When operating or servicing the machine, always follow these precautions strictly. - Page 16 SAFETY SAFETY SAFETY SAFETY LABELS ............................2-4 LOCATION OF SAFETY LABELS......................2-5 CONTENTS OF SAFETY LABELS ......................2-7 GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE ........... 2-17 PRECAUTIONS BEFORE STARTING OPERATION................2-17 ENSURE SAFE OPERATION ......................2-17 UNDERSTAND THE MACHINE ....................... 2-17 PREPARATIONS FOR SAFE OPERATION ....................
- Page 17 SAFETY SAFETY PRECAUTIONS WHEN LOADING AND UNLOADING ..............2-37 TOWING AND BEING TOWED....................... 2-38 PRECAUTIONS FOR TOWING AND BEING TOWED..............2-38 LIFTING OPERATION BY USING BUCKET WITH HOOK ..............2-39 PRECAUTIONS FOR LIFTING OPERATIONS ................2-39 PRECAUTIONS FOR MAINTENANCE ......................2-40 PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE ..........
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Page 18: Safety Labels
If the safety labels are damaged, lost, or cannot be read properly, replace them with new ones. For details of the part numbers for the safety labels, see this manual or the actual label, and place an order to your Komatsu distributor. •... -
Page 19: Location Of Safety Labels
SAFETY SAFETY LABELS LOCATION OF SAFETY LABELS ZZD10413A... - Page 20 SAFETY LABELS SAFETY 1. Caution for operation, inspection and maintenance 16. Caution when swinging and traveling in reverse 2. Caution before operating 17. Prohibition of entering within swing range 3. Caution when leaving operator's seat 18. Caution for work equipment 4.
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Page 21: Contents Of Safety Labels
SAFETY SAFETY LABELS CONTENTS OF SAFETY LABELS Caution for operation, inspection and mainte- nance “09651-03001” Caution before operating “09802-03000” Caution when leaving operator's seat “09654-03001”... - Page 22 SAFETY LABELS SAFETY Caution for high-voltage cables DANGER “09801-03002” Electrocution Hazard Serious injury or death will occur if machine or attachments are not kept away from electric lines. Maintain a minimum clearance in accordance with this chart. VOLTAGE MIN. DISTANCE 50 kV or Less 3.1 m (10 ft) 50 kV to 200 kV...
- Page 23 SAFETY SAFETY LABELS Machine equipped with control pattern change-over valve “21K-00–71270” Caution when opening or closing front win- “09839-03001” Caution when stowing front window “09803-03000”...
- Page 24 SAFETY LABELS SAFETY Caution for high-temperature oil “09653-03001” Caution for high-temperature coolant “09668-03001” Caution for handling accumulator and gas spring “09659-53000” Caution for adjusting track tension “09657-03003” 2-10...
- Page 25 SAFETY SAFETY LABELS Caution for handling cable WARNING “09808-03001” Improper use of jumper cables and battery cables can cause an explosion resulting in serious injuly or death. Follow instructions in manual when using jumper cable and battery cables. 09808-03001 Stop rotation during inspection and mainte- nance “09667-43000”...
- Page 26 SAFETY LABELS SAFETY Caution when swinging and traveling in re- verse “09833-03000” Prohibition of entering within swing range “09133-23000” Caution for work equipment “09134-A1681” Caution for handling battery “09664-30014” 2-12...
- Page 27 SAFETY SAFETY LABELS Prohibition of start by short-circuiting “09842-A0481” Caution for blast jobsite WARNING “09845-13000” EXPLOSION HAZARD Unintentional detonation may be caused by an active radio transmitter in blast zone. To prevent SEVERE INJURY or DEATH, keep machine a safe distance away from a blast zone and a detonator or disconnect the wireless monitoring system in accordance with instructions...
- Page 28 Consult Komats u Distribut o r in that case. - Always wear s eat belt w hen movin g. 09620 - B2171 2-3-6 Akasaka, Minato-ku, Tokyo, Japan Komatsu Ltd. 09620 - T2001 Caution for handling DEF “09632-31800”...
- Page 29 SAFETY SAFETY LABELS Caution for high temperature “22U-00-21940” Caution for high-temperature resistance “2A6-00-11141” 2-15...
- Page 30 SAFETY LABELS SAFETY Caution for straight travel system (STS) (Op- tion) “20Y-62-A2760” 2-16...
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Page 31: General Precautions Common To Operation And Maintenance
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE- SAFETY NANCE GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE Mistakes in operation, inspection, or maintenance may result in serious personal injury or death. Before per- forming operation, inspection, or maintenance, always read this manual and the safety labels on the machine carefully and obey the warnings. -
Page 32: Keep Machine Clean
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE- NANCE SAFETY KEEP MACHINE CLEAN • If you get on or off the machine or perform inspection and maintenance on the machine with mud or oil, you may slip and fall, and it is dangerous. Wipe off any mud or oil from the machine. Always keep the machine clean. -
Page 33: Precautions To Prevent Fire
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE- SAFETY NANCE PRECAUTIONS TO PREVENT FIRE ACTIONS IF FIRE OCCURS • Turn the starting switch to OFF position, and stop the engine. • Use the handrails and steps to escape from the machine. •... - Page 34 When there are thatched houses, dry leaves or pieces of paper near the job site, set the system to the regener- ation disable to prevent fire hazards due to highly heated exhaust gas during the aftertreatment devices regen- eration. For the setting procedure, see “HANDLE Komatsu Diesel Particulate Filter (KDPF) (3-123)”. Explosion caused by lighting equipment •...
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Page 35: Precautions When Getting On Or Off Machine
In addition, tighten any loose bolt of the handrails and steps. If the handrails and steps are damaged or deformed, they need to be repaired immediately. Ask your Komatsu dis- tributor to perform this work. •... -
Page 36: Do Not Get Caught In Work Equipment
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE- NANCE SAFETY PRECAUTIONS WHEN STANDING UP FROM OPERATOR'S SEAT Before standing up from the operator's seat, such as when opening or closing the front window or ceiling window, when re- moving or installing the bottom window, or adjusting the posi- tion of the seat, always lower the work equipment to the ground, set lock lever (1) to lock position (L), and stop the en- gine. -
Page 37: Precautions Related To Protective Structures
• If the protective structure is damaged or deformed by falling objects or by rolling over, its strength will be reduced and it will not be able to fulfill its function properly. In such cases, always consult your Komatsu distributor. -
Page 38: Unauthorized Modification
SAFETY UNAUTHORIZED MODIFICATION • Komatsu will not be responsible for any personal injuries, product failures, physical loss or damage, or influ- ence on the environment resulting from modifications made without authorization from Komatsu. • Any modification made without authorization from Komatsu can create hazards. Before making a modifica- tion, consult your Komatsu distributor. -
Page 39: Precautions For Operation
SAFETY PRECAUTIONS FOR OPERATION PRECAUTIONS FOR OPERATION PRECAUTIONS FOR JOBSITE INVESTIGATE AND CONFIRM JOBSITE CONDITIONS On the jobsite, there are various hidden dangers that may lead to serious personal injury or death. Before start- ing operations, always check the following to confirm that there is no danger on the jobsite. •... -
Page 40: Precautions For Operation
PRECAUTIONS FOR OPERATION SAFETY DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES Do not travel or operate the machine near electric cables. There is a hazard of electric shock, which may cause serious personal injury or death. On jobsites where the machine may go close to electric cables, always observe the following. - Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...