Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-70
Clean Radiator/Oil Cooler Core
Outside --- every 500 hours
Inside --- when coolant is changed
d
CAUTION: Use reduced compressed air pressure
(Less than 0.2 MPa, 2 kgf/cm
2
) for cleaning purposes.
Wear personal protection equipment including eye
protection.
d
WARNING:
 Entanglement in moving parts can cause serious
injury.
 Before servicing, stop the engine and the fan to
prevent any accident.
 Never attempt to start the engine when the cover is
open.
 In case tools or parts are dropped into the radiator/
oil cooler/inter cooler core, remove them before
starting the engine.
IMPORTANT:
Cover the air cleaner inlet opening to prevent the
entry of dust and water while cleaning the radiator.
If air with pressure of higher than 0.2 MPa (2 kgf/cm
2
)
or tap water with high delivery pressure is used for
cleaning, damage to the radiator/oil cooler fins may
result.
Check the core periodically and replace it if
necessary when the machine is operated in dusty
areas.
The radiator and the oil cooler are arranged in parallel.
If dirt or dust is accumulated on them, cooling system
performancedecreases.Cleantheradiator/oilcoolercores
withcompressedairpressure(lowerthan0.2MPa(2kgf/cm
2
))
or tap water. It will prevent a reduction in cooling system
performance.

Hitachi ZAXIS 30U-5N Specifications

General

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