Hitachi ZW 310-6 Operator's Manual page 215

Starting in Cold Weather
Preheating
1. Turn the key switch (1) ON. The ambient temperature
sensor is activated so that the engine is automatically
preheated.
2. Preheat indicator (2) should turn ON. As long as
the preheat indicator stays ON, the engine is being
heated.
f
NOTE: Preheating time varies depending on the ambient
temperature.
3. As soon as preheat indicator (2) turns OFF, turn key
switch (1) to START position to rotate the starter. As
soon as the engine starts, release the key switch.
The key switch will automatically return to the ON
position.
After starting the engine, perform warm-up
operation as described on page 3-11.
OPERATING THE ENGINE
3-7
1
2
M4GB-01-089
MNEC-01-073