Hitachi ZAXIS 30U-5N User Manual

9-1
MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
Maintenance Under Special Environmental Conditions
OperatingConditions PrecautionsforMaintenance
MuddySoil,Rainyor
SnowyWeather
AfterOperation Cleanthemachineandcheckforcracks,damaged,looseormissingbolts
and nuts. Lubricate all necessary parts without delay.
NeartheOcean AfterOperation Thefollowingsaltpollutionmeasuresmustbetakenwhenthemachineis
operated at sea or at coastline.
(1) Aftercompletingthework,extend/retractthehydrauliccylinders
severaltimestoformoilfilmontherodsurface.Storethemachine
with cylinders retracted as much as possible.
(2) Thoroughly clean the machine with fresh water to wash off salt.
(3) Performtouchuppaintingperiodicallyonhosefittings,lubrication
piping and inserting position of cover, where sea water is easily
collected, in order to prevent corrosion.
(4) Duringstorageofthemachine,coverthemachinebytarpstoprevent
sea water from entering into the cab vent. Apply rust prevention oil
(example:ANTIRUSTP-1300NP-3JXNipponOil&EnergyCorporation)
onto plated part of the cylinder rods.
DustyAtmosphere Air Cleaner Clean the filter element and strainer regularly at shorter service intervals.
Radiator Clean the oil cooler screen to prevent clogging of the radiator core.
FuelSystem Clean the filter element and strainer regularly at shorter service intervals.
ElectricalParts Clean the commutator especially for the starter and alternator.
Engine,Muffler Cleanearlierthanthenormalintervaltopreventdustfromstickingand
accumulating. Inhibit regeneration according to the machine operating
condition.
RockyGround Track Carefullyoperatewhilecheckingforcracks,damageandlooseboltsand
nuts.
Donotuserubbercrawlers.
Front Attachment Standardattachmentmaybedamagedwhendiggingrockyground.
Reinforcethebucketbeforeusingit,oruseaheavydutybucket.
FallingStones CabHeadGuard Provideacabguardtoprotectthemachinefromfallingstones.Consult
your nearest Hitachi dealer.
FreezingWeather Fuel/Lubricant Use high quality and low viscosity fuel and oil.
EngineCoolant Besuretouseantifreeze.
Battery Fully charge the batteries at shorter intervals. If not fully charged,
electrolyte may freeze.
Track Keepthetrackclean.Parkthemachineonahardsurfacetopreventthe
tracks
fromfreezingto
theground.
High Altitude
(Altitude: 1500 m or
higher)
EngineOil Changeat1/2ofnormalserviceinterval.
EngineOilFilter Changeat1/2ofnormalserviceinterval.
Whenthemachineisoperatedatthealtitude1500morhigher,theignitionoftheenginemaydeteriorate,possibly
resulting in significant decrease in durability or function. If the machine is unavoidably operated under these conditions,
consult your authorized Hitachi dealer.

Hitachi ZAXIS 30U-5N Specifications

General

Brand	Hitachi
Model	ZAXIS 30U-5N
Category	Excavators
Language	English