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MACHINE OPERATIONS AND CONTROLS
METHOD FOR CHECKING MACHINE MONITOR
NOTICE
Do not perform the check before starting only on the monitor. Always perform other checks before start-
ing.
1.
Turn starting switch (1) to ON position (B).
2.
Check that KOMATSU mark is displayed first and then the
camera screen and the basic monitor screen is displayed
in order, and the buzzer sounds for approximately 2 sec-
onds.
On the machines with no camera (optional) setting, KO-
MATSU mark is displayed first and then the basic monitor
screen is displayed.
If they do not light up, the machine monitor may be defective or open circuit is in the machine monitor. Ask your
Komatsu distributor for the inspection.
METHOD FOR REMOVING DEPOSIT IN ENGINE COMPARTMENT
Check that there is no deposit inside the engine compartment, particularly around the turbocharger, exhaust
manifold, and aftertreatment devices.
If there is any deposit, remove it.
METHOD FOR CHECKING HORN OPERATION
1.
Turn the starting switch to ON position (B).
2.
Check that the horn sounds immediately when the horn
switch is pressed.
3.
Return the starting switch to OFF position (A).
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OPERATION
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