Komatsu D37EX-24 Operation & Maintenance Manual page 192

MACHINE OPERATIONS AND CONTROLS
5.
Turn the starting switch to OFF position (A).
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.
If they do not light up, the machine monitor may be defective or may have an open circuit. 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.
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OPERATION