Check Instruments After Starting Engine - Hitachi ZAXIS 30U-5N Operator's Manual

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)
OPERATING THE ENGINE
3-6
1 2
MADH-01-009