Check Instruments After Starting - Hitachi ZAXIS 120-6 class Operator's Manual

Check Instruments After Starting

Checking instruments through monitor functions
After starting the engine, check the following points
through the monitor functions.
1. Check that alternator alarm indicator (1) is OFF. In case
alternator alarm indicator (1) stays ON, immediately stop
the engine. Inspect the alternator and battery system for
any abnormality.
2. Check that engine oil pressure alarm indicator (2) is OFF
and the alarm buzzer does not sound.
In case engine oil pressure alarm indicator (2) stays ON
and the buzzer sounds, 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 problem.
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.)
Clear : Normal (Perfect combustion)
Black : Abnormal (Imperfect combustion, abnormal
aftertreatment device, abnormal fuel system)
White : Abnormal (Oil is leaking into the combustion
chamber, abnormal aftertreatment device,
abnormal fuel system)
 White smoke may be emitted for several minutes after the
engine starts, this is not a malfunction.
OPERATING THE ENGINE
3-10
2
1
MDC1-01-041