Hyundai 250D-9 Manual page 85

18) SCR (Selective Catalytic Reduction) CLEANING SWITCH
2
1
OFF
50D9OM21A
19) REAR WIPER/WASHER SWITCH
50D9OM20H
20) ENGINE MODE SWITCH
110D9CD60
(1) This switch is used to select the cleaning function of the SCR.
(2) Inhibit position ( )
The inhibit position disallows any automatic or manual SCR
cleaning.
This may be used by operator to prevent SCR cleaning when the
machine is operating in a hazardous environment is concerned
about high temperature.
It is strongly recommended that the this position is only activated
when high temperatures may cause a hazardous condition.
(3) OFF position
This position will initate a automatic SCR cleaning when needed.
(4) Manual SCR cleaning position ( )
This position will only initate a manual SCR cleaning and the SCR
cleaning lamp is illuminated.
HEST lamp will be illuminated during the entire SCR cleaning.
Refer to the page 3-14 for details.
This switch can be move to the manual SCR cleaning position
( ) only when the safety button is pulled to backward.
Also, this switch return to the OFF position when released the
manual SCR cleaning position ( ).
(1)
This switch is used to operate the wiper and washer on the rear of
the cab.
(2)
The washer liquid is sprayed and the wiper is operated only while
pressing this switch.
(1) This switch offers two selectable operating mode.
The operator can adjust the machine's performance with this
selection switch.
(2) Function
STANDARD MODE : This mode provides maximum fuel efficiency
POWER MODE
3-35
for general loading.
: This mode provides maximum power output
for heavy loading or hill climb.