Check Accelerator Pedal Operation, And Exhaust Gas Color And Noise - Hitachi ZW 370-6 Operator's Manual

Check Accelerator Pedal Operation, and Exhaust
Gas Color and Noise
--- every 10 hours (daily)
d
WARNING: Move the forward/reverse lever to
neutral. Apply the parking brake. After resting the
bucket level to the ground, block the wheels.
While slowly stepping on accelerator pedal (1), check that
the engine speed smoothly increases. Then, while slowly
returning accelerator pedal (1), check that the engine speed
smoothly decreases.
Exhaust Gas Color and Noise:
d
DANGER: Exhaust inhalation hazard. Ventilate the
shop with fresh air when carrying out warming up
warm-up operation indoor. Failure to do so may cause
asphyxiation from exhaust gas, resulting in death or
severe injury.
IMPORTANT: This machine is equipped with the engine
that meets Interim Tier 4 emission requirements.
Never attempt to modify the inlet and exhaust system.
Exhaust gas color is normally transparent or light blue.
Although exhaust gas color slightly becomes white
immediately after the engine is started or quickly
accelerated, this symptom is not abnormal. If the exhaust
gas color turns black, white, brown, or gray, check the
engine oil level and the fuel supply system for any
abnormality. In addition, check that no abnormal noise is
heard coming from the engine or muffler.
MAINTENANCE
7-116
1
MNEC-01-037