Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-14
Periodic Replacement of Parts
To ensure safe operation, be sure to conduct periodic
inspection of the machine. In addition, the parts listed below,
ifdefective,mayposeserioussafety/firehazards.
Thesepartsmaycauseserioussafety/firehazardsdueto
deterioration, wear, or fatigue being attributed to material
aging or repeated operation. It is very difficult to gauge the
extentofdeterioration,fatigue,orweakeningoftheparts
listed below simply by visual inspection alone. For this reason,
replace these parts at the intervals shown in the table below.
Consult your authorized dealer for correct replacement.
PeriodicReplacementParts ReplacementIntervals
Engine
Fuelhose(Fueltank,FiltertoEngine) Every2years
Fuelhose(EnginetoFueltank) Every2years
Fuelhose(Engine,FuelCoolertoFuelTank) Every2years(ZX50U-5N,60USB-5N)
Heater hose (Heater to engine)
Every2years
Enginerubber
vibration insulator
ZX30U-5N,35U-5N,50U-5N
Every5yearsor3000hourswhichevercomesfirst
ZX60USB-5N
Every5yearsor4000hourswhichevercomesfirst
Pumpcoupling
ZX30U-5N,35U-5N,50U-5N
Every5yearsor3000hourswhichevercomesfirst
ZX60USB-5N
Every5yearsor4000hourswhichevercomesfirst
EGRdifferentialpressurehose(Differentialsensorto
DifferentialPipe)
Every3000hours(ZX50U-5N,60USB-5N)
HydraulicSystem
BaseMachine
Pumpsuctionhose
Every2yearsor4000hourswhichevercomesfirst
Pumpdeliveryhose
Every2yearsor4000hourswhichevercomesfirst
Swinghose Every2yearsor4000hourswhichevercomesfirst
Auxilliaryhose Every2yearsor4000hourswhichevercomesfirst
Oilcoolerhose(C/VtoOilcooler) Every2yearsor4000hourswhichevercomesfirst
WorkingDevice
Boomcylinderlinehose Every2yearsor4000hourswhichevercomesfirst
Arm cylinder line hose Every2yearsor4000hourswhichevercomesfirst
Bucketcylinderlinehose Every2yearsor4000hourswhichevercomesfirst
Pilothose Every2yearsor4000hourswhichevercomesfirst
Floor mounting rubber
ZX30U-5N,35U-5N,50U-5N Every5yearsor3000hourswhichevercomesfirst
ZX60USB-5N
Every5yearsor4000hourswhichevercomesfirst
SeatBelt
Every3years
f
NOTE: Be sure to replace seals, such as O-rings and gaskets,
when replacing hoses.

Hitachi ZAXIS 30U-5N Specifications

General

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