Komatsu PC350LC-8 Operation & Maintenance Manual
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Komatsu PC350LC-8 Operation & Maintenance Manual

Hydraulic excavator
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Operation & Maintenance
Manual
PC350LC
PC350HD
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
PC350LC-8 A10001
PC350HD-8 A00001
6D114E-3
CEAM021802
-8
-8
and up
and up
Copyright 2016 Komatsu
Printed in U.S.A.
Komatsu America Corp.

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  • Page 1 6D114E-3 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 California Proposition 65 Warning This machine may contain mercury in two areas: a.) The display monitor contains mercury if it has a mercury label attached. b.) Optional HID bulbs contain mercury (if the machine is so equipped). There is no risk of exposure unless the bulbs are broken. However, the monitor and/or lamps must be reused, recycled or properly disposed of in accordance with Local, State and Federal Laws at the end of their useful lives.
  • Page 3 0INTRODUCTION PC350LC/HD-8 Find manuals at https://best-manuals.com...

  • Page 4: 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 5: 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 6 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.

  • Page 7: Directions Of Machine

    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 2-171 for further details. Directions Of Machine...

  • Page 8: 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 9: 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 10: 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 PC350LC/HD-8 Find manuals at https://best-manuals.com...

  • Page 11: Table Of Contents

    INTRODUCTION TABLE OF CONTENTS INTRODUCTION FOREWORD ..............0-2 SAFETY INFORMATION .
  • Page 12 INTRODUCTION Distance to High Voltage Cables ..........1-23 Ensure Good Visibility .
  • Page 13 INTRODUCTION Safety First when using High-pressure Grease to Adjust Track Tension ....1-46 Do not Disassemble Recoil Springs ..........1-46 Accumulator, Gas Spring .
  • Page 14 INTRODUCTION Control Panel ..............2-105 Controls Of Radio .
  • Page 15 Carrying out KOWA (Komatsu Oil Wear Analysis) ........
  • Page 16 INTRODUCTION WEAR PARTS ..............3-8 Wear Parts List .
  • Page 17 INTRODUCTION Check Fan Belt and Alternator Drive Belt Tension, Replace ......3-71 Check Nitrogen Gas Charge Pressure in Accumulator (For Breaker) ....3-71 Replace Corrosion Resistor Cartridge (If equipped) .
  • Page 18 INTRODUCTION Hydraulic Breaker ............. 5-23 HANDLING MACHINES EQUIPPED WITH KOMTRAX .
  • Page 19 1SAFETY 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. PC350LC/HD-8...

  • Page 20: Safety

    SAFETY SAFETY AND WARNING DECALS It is important that all safety and warning decals are in place, not damaged, covered up or removed. It is also important for the operator to be aware of the decal content and location. Location of the Safety Decals Monitor decal (09974-00601) Contains mercury, Dispose of in accordance with Local, State and Federal...
  • Page 21 ★ :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 22: Safety Labels

    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. Caution before operating (09802-03000) WARNING - To prevent SEVERE INJURY or DEATH, do the following before moving machine or its attachments: •...
  • Page 23 SAFETY Caution for going close to electric cables (09801-03002) DANGER - Hazardous voltage hazard. Serious injury or death can occur if machine or attachments are not kept safe distance away from electric lines. Caution for operating pattern (09822-03000) 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.
  • Page 24 SAFETY Caution when opening or closing front window (09839-03000) WARNING - To open or close the front or ceiling window, never stand up from the operator’s seat before throwing the lock lever to the LOCK position. Inadvertently touching any of the working equipment control levers might cause the machine to start moving all of a sudden, probably resulting in a serious injury.
  • Page 25 • When loosening track shoe, if it does not loosen after turning lubricator ONE TURN, ask Komatsu dealer or distributor to disassemble. 11. 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 26 SAFETY 13. Emergency escape (09844-00050) 14. Caution against falling (09805-23000) CAUTION - KEEP AWAY FROM EDGE. 15. Caution against falling (09805-13000) CAUTION - NEVER be on this hood. 16. Prohibited to enter within swing range (09133-23000) DANGER - Keep off swing area. 17.
  • Page 27 SAFETY 18. Prohibition of jump start (09842-A0481) Start the engine only after sitting down in the operator’s seat. Do not attempt to start the engine by short-circuiting the engine starting circuit. Such an act may cause a serious bodily injury or fire. 19.
  • Page 28 SAFETY 21. Caution when handling battery. (09664-30011) 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.

  • Page 29: Optional Systems Decal

    23. Caution for ROPS (for H/E) (09620-J2000) WARNING • If any modification is applied to the ROPS it may affect the strength and may not comply with the standard. Consult Komatsu Distributor before altering. • ROPS may provide less protection if it has been structural damaged or involved in roll-over.
  • Page 30 SAFETY 25. Control pattern change warning (22M-98-11181) WARNING - • When changing the control pattern, set the machine in the park- ing condition, stop the engine, and set the lock lever to the LOCK position. • Align the control pattern selector lever to the specified position (Check the detent.) •...
  • Page 31 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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Pc350hd-8A10001A00001

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