REMARK
• When engine starting switch (2) is turned to OFF posi-
tion, the engine stops, but the machine's main power
supply is not turned off immediately.
During this period, the power is supplied to the con-
troller to save the operating condition and then finish
the system. The time to keep supplying the power de-
pends on the operating condition.
• Also when the cooling fan is turned in reverse, the ma-
chine's main power supply is not turned off immediate-
ly, even if the key in engine starting switch (2) is
turned to OFF position.
This is for protection of the hydraulic circuit, and the
power is kept supplied for 7 seconds.
• If the starting switch (2) key is turned to OFF position
(A) while the engine is still hot, guidance (3) may be
displayed on the machine monitor. To cool down the
engine before stopping, run it at low idle the next time
and after, because it may cause damage to the devi-
ces.
• After the engine is stopped, AdBlue/DEF in
AdBlue/DEF injector and pump is automatically
purged and returned to the tank to prevent malfunction
of the devices caused by freezing of AdBlue/DEF or
deposition of urea.
For this purpose, the devices keep operating for sev-
eral minutes after starting switch (2) is turned to OFF
position, and this does not indicate abnormality.
In addition, the system operating lamp lights up while
devices are operating to purge AdBlue/DEF to the
tank. Do not turn the battery disconnect switch to OFF
position while the system operating lamp is lit. After all
AdBlue/DEF is purged, the devices stop automatically.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-203
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