Hitachi ZW 180-6 Operator's Manual page 248

Auto Idling Stop Operating Condition
 The engine is running.
 The parking brake switch is ON.
 The forward/reverse lever (switch) is in neutral (N).
 The accelerator pedal is not depressed.
 The brake pedal is not depressed.
 The control lever is not operated.
 The steering wheel is not operated.
 Coolant, hydraulic oil and transmission temperature are
not high.
 The aftertreatment device manual regeneration is not
operating.
IMPORTANT:
 When the engine stops because of the auto idling
stop function, turn the key switch to ACC or OFF
once and then turn it to START to restart the
engine. Do not leave the machine after auto idling
stop. This may discharge the batteries.
 When the key switch is turned to OFF position
while the auto idling stop function is ON, the
setting will remain ON at the next startup.
Refer to page 1-52 for the auto idling stop setting.
OPERATING THE MACHINE
5-10
MPD8-01-100EN