Hitachi ZW140-6 Operator's Manual page 228

Auto Idling Stop Operating Condition
 The engine is running.
 The parking brake is applied.
 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 by 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. Failure to
do so may discharge the batteries.
 When the key switch is turned to OFF position while
the auto idling stop function is ON, the setting will
be reset. When it is required to keep the setting,
consult your authorized dealer.
OPERATING MACHINE
5-12