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Operation & Maintenance
Manual
PC400LC-
HYDRAULIC EXCAVATOR
SERIAL NUMBERS
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.
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
PC400LC-8 A88001
6D125E-5
CEAM009903
8
and up
Copyright 2016 Komatsu
Printed in U.S.A.
Komatsu America Corp.
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Related Manuals for Komatsu PC400LC-8
Summary of Contents for Komatsu PC400LC-8
- Page 1 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.
- Page 2 Find manuals at https://best-manuals.com...
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- Page 5 0INTRODUCTION PC400LC-8 Find manuals at https://best-manuals.com...
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Page 6: Foreword
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. -
Page 7: Safety Information
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. - Page 8 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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Page 9: Introduction
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 2-169 for further details. Directions Of Machine... -
Page 10: Visibility From Operator's Seat
The hatched area (A) shows the area where the view is blocked by part of the machine when mirrors or other aids to visibility are installed as standard. Please be fully aware that there are places that cannot be seen when operating the machine. (If equipped rear view camera) PC400LC-8 Find manuals at https://best-manuals.com... -
Page 11: 12 M Circumference Visibility
The visibility at a radius of 12 m from the machine is as shown in the diagram below. The hatched areas (B) show the areas where the view is blocked when mirrors or other aids to visibility are installed as standard. Please be fully aware that there are places that cannot be seen when operating the machine. (If equipped rear view camera) PC400LC-8... -
Page 12: Breaking-In The New Machine
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. -
Page 13: Product Information
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 On the bottom right of the operator's cab. The design of the nameplate differs according to the territory. -
Page 14: Service Meter Location
INTRODUCTION Service Meter Location On top of the machine monitor. Your Machine Serial Numbers And Distributor Machine serial No. Engine serial No. Product identification number (PIN) Distributor name Address Service Personnel Phone/Fax 0-10 PC400LC-8... -
Page 15: Table Of Contents
Do Not Get Caught In Articulated Portion ......... . 1-18 PC400LC-8... - Page 16 Two Workers For Maintenance When Engine Is Running ......1-38 0-12 PC400LC-8...
- Page 17 Air Conditioner Control Panel ........... . 2-92 PC400LC-8...
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Page 18: Table Of Contents
Traveling On Slopes ............2-166 0-14 PC400LC-8... - Page 19 Fuel ............... . . 3-5 PC400LC-8...
- Page 20 Carrying Out KOWA (Komatsu Oil Wear Analysis) ........
- Page 21 Locations ..............5-4 PC400LC-8...
- Page 22 Installing the Counterweight ........... . . 5-40 0-18 PC400LC-8...
- Page 23 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. PC400LC-8...
- Page 24 ★ If equipped. • Your Komatsu Dealer can supply you with new replacement decals if the ones on the machine are damaged or missing. • When replacing damaged or missing decals, be sure they are placed in the proper location.
- Page 25 Read manual and labels before operation and maintenance. Follow instructions and warnings in manual and in labels on machine. Keep manual in machine cab near operator. Contact Komatsu distributor for replacement manual. 2. Caution before operating (09802-03000) WARNING - To prevent SEVERE INJURY or DEATH, do the following before moving machine or its attachments: •...
- Page 26 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. PC400LC-8...
- Page 27 Slowly loosen cap to relieve pressure before removing. 9. 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. PC400LC-8...
- Page 28 See manual for adjustment instructions. • When loosening track shoe, if it does not loosen after turning lubricator ONE TURN, ask Komatsu dealer or distributor to disassemble. 12. Caution for handling cable (09808-03000) WARNING - Improper use of booster cables and battery cables can cause an explosion resulting in serious injury or death.
- Page 29 17. Prohibited to enter within swing range (09133-23000) DANGER - Keep off swing area. 18. Beware of work equipment (09134-A1681) Sign indicates a hazard of being hit by the working device of the machine. Keep away from machine during operation. PC400LC-8...
- Page 30 DANGER/POISON - SHIELD EYES. EXPLOSIVE GASES CAN CAUSE BLINDNESS OR INJURY. • SPARKS • FLAMES • SMOKING SULFURIC ACID CAN CAUSE BLINDNESS OR SEVERE BURNS. FLUSH EYES IMMEDIATELY WITH WATER. GET MEDICAL HELP FAST. KEEP OUT OF REACH OF CHILDREN. DO NOT TIP. KEEP VENT CAPS TIGHT AND LEVEL. PC400LC-8...
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