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MACHINE OPERATIONS AND CONTROLS
6.
After adding, align claw (10) of the cap with groove (11) of
the filler port and close the cap securely by turning it clock-
wise by 90 °.
REMARK
•
It is recommended to use a nozzle having a diameter and a length specified by ISO 22241-4 and an auto
stop function to add DEF. When the specified nozzle is used, the magnet installed inside the filler port of the
tank cancels the wrong fluid addition prevention device, and you can add DEF. This mechanism prevents
addition of DEF into the fuel tank, addition of fuel into DEF tank, and spill of DEF from the filler port.
•
When using a nozzle which is not conformed to ISO 22241-4, hold it in your hand and add DEF carefully
while checking the sight gauge.
•
Add only DEF in clearly marked DEF tanks that have the blue cap.
METHOD FOR CHECKING WORKING LAMP
Check that the working lamps and lamps inside the instruments light up properly. Check also that there is no dirt
or damage.
1.
Turn the starting switch to ON position.
2.
Check that the working lamp lights up properly when the
lamp switch is at night mode (a) and at day mode (b).
3.
After inspection, turn the lamp switch to OFF position (c),
and the working lamp goes out.
4.
After checking, turn the starting switch back to OFF posi-
tion.
If the lamps do not light up, a broken bulb or disconnected wire are the possible causes. Ask your Komatsu
distributor for repairs.
METHOD FOR CHECKING HORN
1.
Turn the starting switch to ON position.
3-156
OPERATION
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