Hitachi ZAXIS 30U-5N User manual

ZX30U-5N •35U-5N • 50U-5N • 60USB-5N HYDRAULIC EXCAVATOR OPERATOR’S MANUAL ENMADG-NA2-2
PRINTED IN JAPAN (E) 2019, 05
URL:http://www.hitachi-c-m.com
This book is printed on recycled paper.
Serial No.
ZX30U-5N 265001 and up
ZX35U-5N 270001 and up
ZX50U-5N 280001 and up
ZX60USB-5N 285001 and up
Hydraulic Excavator
30U-5N
35U-5N
50U-5N
60USB-5N
ENMADG-NA2-2
PART NO.
Operator’s Manual

INTRODUCTION
Read this manual carefully to learn how to operate and
service your machine correctly. Failure to do so could
result in personal injury or equipment damage.
This standard specification machine can be operated
under the following conditions without being modified.
Atmospheric Temperature: −20 °C to 40 °C (−4 °F to 104 °F)
Altitude: 0 m to 1500 m (0 ft to 4900 ft)
In case the machine is used under conditions other than
described above, consult your authorized dealer.
This manual should be considered a permanent part of
your machine and should remain with the machine when
you sell it.
This machine is of metric design. Measurements in this
manual are metric. Use only metric hardware and tools as
specified.
• SIUnits(InternationalSystemofUnits)areusedinthis
manual.
ForreferenceMKSsystemunitsandEnglishunitsare
alsoindicatedinparenthesesaftertheSIunits.
Example:24.5MPa(250kgf/cm²,3560psi)
Right-hand and left-hand sides are determined by
facing in the direction of forward travel.
Write product identification numbers in the Machine
Numbers section. Accurately record all the numbers
to help in tracing the machine should it be stolen.
Your dealer also needs these numbers when you order
parts.Ifthismanualiskeptonthemachine,alsofilethe
identification numbers in a secure place off the machine.
UseonlydieselfuelwithqualityspecifiedinJISK-2204,
EN-590,ASTMD-975,GOSTR52368orGB19147.
Failure to use diesel fuel with quality as specified
abovemayallowtheenginetoemitexhaustgaswhich
cleanness can not conform to the requests in various
relevant regulations. In addition, serious damage to the
engine may result. Consult with your authorized dealer for
detailed information.
Warranty is provided as a part of Hitachi’s support
program for customers who operate and maintain their
equipment as described in this manual. The warranty is
explainedonthewarrantycertificatewhichyoushould
have received from your dealer.
This warranty provides you the assurance that Hitachi
willbackitsproductswheredefectsappearwithinthe
warranty period. In some circumstances, Hitachi also
provides field improvements, often without charge to
the customer, even if the product is out of warranty.
Should the equipment be abused, or modified to
change its performance beyond the original factory
specifications, the warranty will become void and field
improvements may be denied. Settingfueldelivery
above specifications or otherwise overpowering machines
will result in such action.
Onlyqualified,experiencedoperatorsofficiallylicensed
(according to local law) should be allowed to operate
the machine. Moreover, only officially licensed personnel
should be allowed to inspect and service the machine.
PRIOR TO OPERATING THIS MACHINE, INCLUDING
COMMUNICATION SYSTEM, IN A COUNTRY OTHER
THAN A COUNTRY OF ITS INTENDED USE, IT MAY
BE NECESSARY TO MAKE MODIFICATIONS TO IT SO
THAT IT COMPLIES WITH THE LOCAL REGULATORY
STANDARDS (INCLUDING SAFETY STANDARDS)
AND LEGAL REQUIREMENTS OF THAT PARTICULAR
COUNTRY. PLEASE DO NOT EXPORT OR OPERATE
THIS MACHINE OUTSIDE OF THE COUNTRY OF ITS
INTENDED USE UNTIL SUCH COMPLIANCE HAS BEEN
CONFIRMED.
PLEASE CONTACT HITACHI CONSTRUCTION
MACHINERY CO., LTD. OR ANY OF OUR AUTHORIZED
DISTRIBUTOR OR DEALER IF YOU HAVE ANY
QUESTIONS CONCERNING COMPLIANCE.
All information, illustrations and specifications in this manual are based on the latest product information available at the
timeofpublication.Therightisreservedtomakechangesatanytimewithoutnotice.
©2019 Hitachi Construction Machinery Co., Ltd.
AllRightsReserved.

T
MACHINE NUMBERS
SAFETY
SAFETY SIGNS
COMPONENTS NAME
OPERATOR’S STATION
BREAK-IN
OPERATING THE ENGINE
DRIVING THE MACHINE
OPERATING THE MACHINE
TRANSPORTING
MAINTENANCE
MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
STORAGE
TROUBLESHOOTING
SPECIFICATIONS
OPTIONAL ATTACHMENT
INDEX
INDEX
ENMADG-NA2-2
GETTING ON/OFF THE MACHINE

CONTENTS
MACHINE NUMBERS .........................................................1
SAFETY .......................................................................... S-1
RecognizeSafetyInformation ....................................................S-1
UnderstandSignalWords.............................................................S-1
FollowSafetyInstructions............................................................S-2
PrepareForEmergencies..............................................................S-3
WearProtectiveClothing..............................................................S-3
ProtectAgainstNoise ....................................................................S-4
Inspect Machine ..............................................................................S-4
GeneralPrecautionsforCab........................................................S-5
UseHandrailsandSteps ...............................................................S-6
AdjusttheOperator’sSeat ...........................................................S-6
EnsureSafetyBeforeRisingFromorLeavingOperator’s
Seat .................................................................................................S-7
FastenYourSeatBelt......................................................................S-7
MoveandOperateMachineSafely...........................................S-8
OperateOnlyFromOperator’sSeat..........................................S-8
JumpStarting ...................................................................................S-8
KeepRidersOffMachine ..............................................................S-9
PrecautionsforOperations..........................................................S-9
InvestigateJobSiteBeforehand .............................................S-10
EquipmentofOPG....................................................................... S-11
RestrictionofAttachmentInstallation ................................. S-11
ProvideSignalsforJobsInvolvingMultipleMachines....S-11
ConfirmDirectionofMachinetobeDriven .......................S-11
DriveMachineSafely................................................................... S-12
AvoidInjuryFromRollawayAccidents.................................S-14
AvoidInjuryFromBack-overandSwingAccidents.........S-15
KeepPersonClearFromWorkingArea................................. S-16
NeverPositionBucketOverAnyone .....................................S-16
Avoid Undercutting.....................................................................S-16
Avoid Tipping................................................................................. S-17
NeverUndercutaHighBank....................................................S-17
DigWithCaution ..........................................................................S-18
OperateWithCaution................................................................. S-18
AvoidPowerLines........................................................................S-18
PrecautionsforLightning.......................................................... S-19
ObjectHandling ........................................................................... S-19
ProtectAgainstFlyingDebris .................................................. S-20
ParkMachineSafely.....................................................................S-20
HandleFluidsSafely---AvoidFires........................................S-21
SafetyTransporting ..................................................................... S-22
PracticeSafeMaintenance........................................................S-23
WarnOthersofServiceWork ...................................................S-24
SupportMachineProperly........................................................S-25
StayClearofMovingParts ........................................................S-25
PreventPartsFromFlying .........................................................S-26
Avoid Injury from Attachment Falling Accident ............... S-26
PreventBurns.................................................................................S-27
ReplaceRubberHosesPeriodically........................................ S-28
AvoidHigh-PressureFluids....................................................... S-28
PreventFires...................................................................................S-29
EvacuatinginCaseofFire..........................................................S-31
BewareofExhaustFumes..........................................................S-31
PrecautionsforWeldingandGrinding .................................S-32
AvoidHeatingNearPressurizedFluidLines.......................S-32
Avoid Applying Heat to Lines Containing Flammable
Fluids ...........................................................................................S-32
PrecautionsforHandlingAccumulatorandGas
Damper.......................................................................................S-32
RemovePaintBeforeWeldingorHeating........................... S-33
BewareofAsbestosandSiliconDustandOther
Contamination.........................................................................S-33
PreventBatteryExplosions ....................................................... S-34
PrecautionsforHandlingRefrigerant ................................... S-34
HandleChemicalProductsSafely...........................................S-35
DisposeofWasteProperly.........................................................S-35
NeverRideAttachment.............................................................. S-36
NotesforMufflerFilter(ZX50U-5N,60USB-5N).................S-36
PrecautionsforCommunicationTerminal...........................S-36
NotesonProtectionofOperator’sStationWhenthe
MachineRollsOver................................................................. S-37
SAFETY SIGNS ............................................................. S-38
COMPONENTS NAME.................................................... 1-1
Components Name ........................................................................1-1
GETTING ON/OFF THE MACHINE ................................. 1-2
GettingON/OFFtheMachine.....................................................1-2
OPERATOR'S STATION................................................... 1-3
MufflerFilter(ZX50U-5N,60USB-5N) .......................................1-3
Layout..................................................................................................1-6
KeySwitch ....................................................................................1-8
SwitchPanel................................................................................1-8
Monitor ...............................................................................................1-9
Feature...........................................................................................1-9
ScreenConfiguration................................................................1-9
BasicScreen....................................................................................1-10
Indicators.........................................................................................1-11
OverheatIndicator(1)...........................................................1-11
EngineOilPressureIndicator(2) .......................................1-11
AlternatorIndicator(3) .........................................................1-11
Fuel Level Indicator (4)..........................................................1-11
HowtoUseScreens.....................................................................1-12
DisplayingBasicScreen........................................................1-12
Hour Meter................................................................................1-15
Clock............................................................................................1-15
FuelGauge ................................................................................1-15
CoolantTemperatureGauge ..............................................1-15
OperatingStatusIconDisplay............................................1-15
AlarmOccurrenceScreen.......................................................... 1-16
ErrorDisplayScreen...............................................................1-16
WarningDisplayScreen........................................................ 1-16
AlarmListDisplay ...................................................................1-17
Contents of Alarms ......................................................................1-18
ErrorCode..................................................................................1-18
WarningCodes........................................................................1-18
DTCCodeList................................................................................1-20
MufflerFilter(ZX50U-5N,60USB-5N) ....................................1-25
MufflerFilterConditionDisplay.........................................1-25
MufflerFilterManualRegenerationRequest................1-26
MainMenu(MENU) ....................................................................1-28