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CEAM025104 

Operation & Maintenance 
Manual

 

 
 
 
 
 
 
 
 
 

 
 
 
 
 

PC240LC

-10

 

HYDRAULIC EXCAVATOR 

 

 
 

SERIAL NUMBERS  

PC240LC-10 A20001 

and up 

 

ENGINE

 

 

     

6D107E-2

 

 
 
 

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 2017 Komatsu 
Printed in U.S.A. 
Komatsu America Corp. 

June 2017

 

Summary of Contents for PC240LC-10

Page 1: ...s 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 ch...

Page 2: ...Find manuals at https best manuals com...

Page 3: ...Maintenance Precautions 2 33 Precautions Before Inspection and Maintenance 2 33 Precautions During Inspection and Maintenance 2 36 OPERATION 3 1 Visual Overview of Machine 3 2 General Machine View 3 2...

Page 4: ...Switches and Sensor 3 80 Using A C in Auto Mode 3 84 Using A C in Manual Mode 3 85 Blowing Cold Air to Face Warm Air to Feet 3 87 Using Defrost Mode 3 88 Radio Operations 3 91 Radio Buttons and Displ...

Page 5: ...lt 3 142 Operations Before Starting Engine 3 143 Starting the Engine 3 146 Manual Preheating When Starting Engine 3 148 Turbocharger Protection Function 3 148 Operations and Checks After Starting the...

Page 6: ...tions 4 12 Recommended Fuel Coolant and Lubricant 4 14 Hydraulic Breaker Maintenance Interval 4 18 Maintenance Schedule 4 19 Maintenance Schedule Table 4 19 Maintenance Procedures as Required 4 21 Air...

Page 7: ...ilter Element Replacement 4 76 Maintenance Every 4000 Hours 4 79 Water Pump Check 4 79 Vibration Damper Check 4 80 Accumulator Replacement Control Circuit 4 80 High Pressure Mounting Checks 4 81 Fuel...

Page 8: ...chment Installation 6 18 Hydraulic Breaker 6 20 General Attachments 6 23 Prohibited Usage 6 24 Rubber Pad Shoe and Road Liner 6 27 Index 8 1 CONTENTS 0 6 PC240LC 10 Find manuals at https best manuals...

Page 9: ...INTRODUCTION PC240LC 10 1 1 Find manuals at https best manuals com...

Page 10: ...rsonnel can read it at any time Storage location for the Operation and Maintenance Manual magazine box on the left side of the operator s seat If you sell the machine be sure to give this manual to th...

Page 11: ...re used to inform you there is a potentially hazardous situation that may lead to personal injury or damage to the machine Indicates an imminently hazardous situation which if not avoided will result...

Page 12: ...on Directions of Machine In this manual terms front rear left and right refer to the travel direction as seen from the operator s seat when the operator s seat is facing the front and the sprocket is...

Page 13: ...ius Shaded area A in the figure shows an area whose view is blocked by a part of the machine when the machine is equipped with the mirrors rear view camera and other visibility assistant devices Opera...

Page 14: ...d Engine Number and requested information from your service meter Product Identification Number Pin Machine Serial No Plate On the bottom right of the operator s cab The design of the nameplate differ...

Page 15: ...o Engine serial No Product Identification Number PIN Distributor name Address Phone Fax Service Personnel Engine Acronyms Acronym Stands For KDPF Komatsu Diesel Particulate Filter KDPF KCCV Komatsu Cl...

Page 16: ......

Page 17: ...e read and make sure that you fully understand the precautions described in this manual and the safety labels on the machine When operating or servicing the machine always follow these precautions str...

Page 18: ...em do not use organic solvents or gasoline These may cause the labels to peel off There are labels on the machine in addition to the warning signs and safety labels Handle those labels the same way yo...

Page 19: ...0 To prevent SEVERE INJURY or DEATH do the following before moving machine or its attachments Honk horn to alert people nearby Be sure no one is on or near machine or in swing area Rotate cab for full...

Page 20: ...ine or attachments are not kept away from electric lines Maintain a minimum clearance in accordance with this chart Electrocution Hazard 50 kV or Less 50 kV to 200 kV 200 kV to 350 kV 350 kV to 500 kV...

Page 21: ...5 Warning for operating pattern 09822 03000 6 Warning when opening or closing front window 09839 03000 SAFETY SAFETY LABELS PC240LC 10 2 5...

Page 22: ...w 09803 03000 8 Warning for high temperature hydraulic oil 09653 03001 9 Warning with high temperature coolant 09668 03001 10 Warning for handling accumulator and gas spring if equipped 09659 53000 SA...

Page 23: ...les 09808 03001 13 Caution while engine is running 09667 03001 14 Emergency escape 09844 00050 This is an emergency exit when the cab door will not open In emergency smash the window pane with an equi...

Page 24: ...aveling in reverse 22B 00 21290 17 Keep off swing area 09133 23000 18 Beware of work equipment 09134 A1681 Sign indicates a hazard of being hit by the working device of the machine Keep away from mach...

Page 25: ...Caution at blast site 09845 00480 22 Warning for high pressure fuel 6754 71 1991 23 Caution for high temperature 09817 A0753 Sign indicates a burn hazard from touching heated parts such as engine mot...

Page 26: ...24 Warning to not use ether 6732 81 4630 25 Warning for changing operating patterns 22M 98 11181 26 Warning for operating pattern 21K 00 71270 SAFETY LABELS SAFETY 2 10 PC240LC 10...

Page 27: ...ass MODEL MACHINE MODEL SERIAL No MAX MASS kg Lb ROPS ISO 12117 2 2008 TOP GUARD LEVEL I ISO 10262 1998 If any modification is applied to the ROPS it m ay affect the strength and may not comply with t...

Page 28: ...31 Warning for straight travel system STS Option 20Y 62 A2760 SAFETY LABELS SAFETY 2 12 PC240LC 10...

Page 29: ...ury or death Before carrying out operation inspection or maintenance always read this manual and the safety labels on the machine carefully and obey all the warnings Safety Related Equipment Be sure t...

Page 30: ...parts get into the control devices it may obstruct operation and cause the machine to move unexpectedly resulting in serious injury or death Do not stick suction pads to the window glass Suction pads...

Page 31: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

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