Hitachi ZAXIS 30U-5N User Manual

OPERATING THE ENGINE
3-6
Check Instruments After Starting Engine
Checking instruments through monitor functions
Afterstartingtheengine,checkthefollowingpoints
through the monitor functions.
1. Checkthatalternatoralarmindicator(2)isOFF.Incase
alternatoralarmindicator(2)staysON,immediatelystop
the engine. Inspect the alternator and battery system for
any abnormality.
2. Checkthatlowengineoilpressureindicator(1)isOFF.
 Incaselowengineoilpressureindicator(1)staysON,
immediately stop the engine. Inspect the engine oil
pressure system and the oil level.
IMPORTANT: In case any abnormality is found on the
monitor unit, immediately stop the engine. Inspect the
cause of the trouble.
Check engine noise and exhaust gas color:
Checkthattheenginenoiseandexhaustgascoloris
normal.
f
NOTE: Check the exhaust gas color as follows. (After warm-
up operation, run the engine with no loads.)
ZX30U-5N,35U-5N
Clear : Normal(Perfectcombustion)
Black : Abnormal (Imperfect combustion, abnormal fuel
system)
White : Abnormal(Oilisleakingintothecombustion
chamber, abnormal fuel system)
ZX50U-5N,60USB-5N
Clear : Normal(Perfectcombustion)
Black : Abnormal (Imperfect combustion, abnormal
muffler filter, abnormal fuel system)
White : Abnormal(Oilisleakingintothecombustion
chamber, abnormal muffler filter, abnormal fuel
system)
MADH-01-009
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Hitachi ZAXIS 30U-5N Specifications

General

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