Periodic Replacement Of Parts - Hitachi ZAXIS 30U-5N Operator's Manual

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
Fuel hose (Fuel tank, Filter to Engine)
Fuel hose (Engine to Fuel tank)
Fuel hose (Engine, Fuel Cooler to Fuel Tank)
Heater hose (Heater to engine)
Engine rubber
vibration insulator
Pump coupling
EGR differential pressure hose (Differential sensor to
Differential Pipe)
Pump suction hose
Pump delivery hose
Swing hose
Auxilliary hose
Oil cooler hose (C/V to Oil cooler)
Boom cylinder line hose
Arm cylinder line hose
Bucket cylinder line hose
Pilot hose
Floor mounting rubber
Seat Belt
f
NOTE: Be sure to replace seals, such as O-rings and gaskets,
when replacing hoses.
MAINTENANCE
ZX30U-5N, 35U-5N, 50U-5N
ZX60USB-5N
ZX30U-5N, 35U-5N, 50U-5N
ZX60USB-5N
ZX30U-5N, 35U-5N, 50U-5N
ZX60USB-5N
Every 2 years (ZX50U-5N, 60USB-5N)
Every 5 years or 3000 hours whichever comes first
Every 5 years or 4000 hours whichever comes first
Every 5 years or 3000 hours whichever comes first
Every 5 years or 4000 hours whichever comes first
Every 3000 hours (ZX50U-5N, 60USB-5N)
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 2 years or 4000 hours whichever comes first
Every 5 years or 3000 hours whichever comes first
Every 5 years or 4000 hours whichever comes first
7-14
Replacement Intervals
Every 2 years
Every 2 years
Every 2 years
Every 3 years