Air Filter Restriction Indicator (Red); Preheat Indicator (Yellow) - Hitachi ZW 370-6 Operator's Manual

Air Filter Restriction Indicator (Red)

If the air cleaner element becomes clogged,, the air
filter restriction indicator and the service indicator light.
Immediately stop the engine and inspect the air cleaner
element. Replace the element, if necessary.
f
NOTE: This indicator may unexpectedly light when the
coolant temperature gauge indicates the center or lower
position.
It turns off automatically when the coolant temperature
increases.

Preheat Indicator (Yellow)

The engine is being preheated as long as the preheat indicator
stays ON. When the preheat indicator goes OFF, engine
preheating is completed.
OPERATOR'S STATION
1-16
M4GB-01-023
M4GB-01-031