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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.
March 2016
PC240LC-11 A22001
6D107E-3
Copyright 2016 Komatsu
Printed in U.S.A
Komatsu America Corp.
CEAM028402
-11
and up
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Summary of Contents for Komatsu PC240LC-11
- Page 1 6D107E-3 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...
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Page 4: Before Reading This Manual
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: Safety Information
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. -
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 (3-222)”. -
Page 7: Actions Taken To Meet Exhaust Gas Regulations
This machine is equipped with the following two exhaust gas treatment systems: • Komatsu Diesel Particulate Filter (hereafter KDPF): A device which captures soot in the exhaust gas to pu- rify exhaust gas. This process performs the combustion of soot referred to as "regeneration". -
Page 8: Product Information
PRODUCT INFORMATION FOREWORD 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 9: Service Meter Location
FOREWORD PRODUCT INFORMATION 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 10: Table Of Contents
TABLE OF CONTENTS FOREWORD 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 .................... 1-4 ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS..............1-5 PRODUCT INFORMATION........................ - Page 11 OTHER TROUBLE......................... 3-288 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 12 TABLE OF CONTENTS FOREWORD WELDING INSTRUCTIONS....................... 4-2 DO NOT DROP THINGS INSIDE MACHINE ..................4-2 PRECAUTIONS FOR KDPF ......................4-2 PRECAUTIONS FOR SCR ASSEMBLY .................... 4-3 DUSTY JOBSITES..........................4-3 AVOID MIXING OIL..........................4-3 LOCK INSPECTION COVERS ......................4-3 BLEED AIR FROM HYDRAULIC CIRCUIT ..................4-3 PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES .............
- Page 13 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 1-11...
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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 ........... 2-15 PRECAUTIONS BEFORE STARTING OPERATION................2-15 ENSURE SAFE OPERATION ......................2-15 UNDERSTAND THE MACHINE ....................... 2-15 PREPARATIONS FOR SAFE OPERATION ....................
- Page 17 SAFETY SAFETY PRECAUTIONS WHEN LOADING AND UNLOADING ..............2-35 TOWING AND BEING TOWED....................... 2-36 PRECAUTIONS FOR TOWING AND BEING TOWED..............2-36 LIFTING OPERATION BY USING BUCKET WITH HOOK ..............2-37 PRECAUTIONS FOR LIFTING OPERATIONS ................2-37 PRECAUTIONS FOR MAINTENANCE ......................2-38 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 Options are shown with ★ marks in the figure. 1. Caution for operation, inspection and maintenance 5. Caution for control pattern 2. Caution before operating 6. Caution when opening or closing front window 3. - Page 20 SAFETY LABELS SAFETY 9. Caution for handling accumulator and gas spring 19. Prohibition of start by short-circuiting 10. Caution for adjusting track tension 20. Caution for blast jobsite 11. Caution for handling cable 21. Caution against high-pressure fuel 22. Caution against high temperature 12.
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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 “09801-03002” Caution for control pattern Standard machine “09822-03000”...
- 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 coolant “09668-03001” Caution for handling accumulator and gas spring “09659-53000” Caution for adjusting track tension “09657-03003” Caution for handling cable “09808-03000” Stop rotation during inspection and mainte- nance “09667-03001” 2-10...
- Page 25 SAFETY SAFETY LABELS Emergency escape “09844-00050” Caution against falling “09805-13000” Caution when swinging and traveling in re- verse “09833-03000” Prohibition of entering within swing range “09133-23000” 2-11...
- Page 26 SAFETY LABELS SAFETY Caution for work equipment “09134-A1681” Caution for handling battery “09664-30013” Prohibition of start by short-circuiting “09842-A0481” Caution for blast site “09845-00480” Caution for high-pressure fuel “6754-71-1991” 2-12...
- Page 27 - A l w a y s w e a r s e a t b e l t w h e n m o v i n g 09620 - B2171 2-3-6 Akasaka, Minato-ku, Tokyo, Japa Komatsu Ltd. 09620 -T2001 Caution for handling AdBlue/DEF “09632-31800”...
- Page 28 SAFETY LABELS SAFETY Caution for high-temperature resistance “2A6-00-11141” Caution for Straight Travel System (STS) (Option) "20Y-62-A2760" 2-14...
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Page 29: 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 30: 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 31: 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 32 Fire around the machine due to highly heated exhaust gas This machine is equipped with Komatsu Diesel Particulate Filter (hereafter KDPF). KDPF is a device to purify the soot in the exhaust gas. Exhaust gas temperature may increase during the purifi- cation process (regeneration).
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Page 33: 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 34: 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 35: 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 36: 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 37: 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 38: Do Not Go Close To High-Voltage Cables
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 39: Start Engine
Always observe the regulations for jobsite and environmental standards. This machine does not contain asbestos, but any part which is not the genuine part, it has risk of containing asbestos. Always use Komatsu genuine parts. START ENGINE USE WARNING TAGS If there is a "DANGER! Do NOT operate!"... -
Page 40: Precautions For Operation
PRECAUTIONS FOR OPERATION SAFETY CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE Perform the following checks before starting the engine at the beginning of the day's work to ensure that there is no problem with the operation of the machine. If these checks are not performed properly, problems may occur with the operation of the machine, and there is a danger which may lead to serious personal injury or death. - Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...