Hitachi ZW 120-6 Operator's Manual page 162

IMPORTANT: Never operate the starter for more than 10
seconds at a time. If the engine fails to start, return key
switch to OFF. Wait for more than 30 seconds, then try
again.
Failure to do so may damage the starter or discharge
the batteries.
6. Turn key switch (2) to START position to rotate the
starter. The engine will start.
Do not depress accelerator pedal (3) when starting the
engine.
7. As soon as the engine starts, release the key switch.
The key switch will automatically return to the ON
position.
After the engine starts, perform idling operation
without depressing accelerator pedal (3) to warm up the
machine.
d
WARNING: After starting the engine, start the
machine operation only after confirming that the
engine speed changes by operating accelerator pedal
(3).
Otherwise, the machine or the front attachment may
unexpectedly start moving, possibly causing accidents
such as a crash.
f
NOTE:
 White smoke may occur for several minutes after the
engine starts, this is not a malfunction.
OPERATING ENGINE
3-6
2
MNDB-01-053
3
MNDB-01-001