PREHEATING PILOT LAMP
The preheating pilot lamp lights up when the automatic pre-
heating function of the engine is being actuated, and goes out
when preheating is completed.
This lamp also lights up during manual preheating.
The electrical heater for engine preheating is actuated while
this lamp is lit.
MESSAGE DISPLAY
The message display lights up when there is a message from Komatsu.
To read the message, see “CHECK MESSAGE (3-96)”.
Lights up in green
There is an unread message.
Lights up in blue
There is any read message to which no reply is made.
OFF
There is no message.
AFTERTREATMENT DEVICES REGENERATION PILOT LAMP
CAUTION
• Stay away from the exhaust pipe outlet to prevent injury.
Keep flammable materials away from the exhaust pipe to avoid fire.
• When there are thatched houses, dry leaves or pieces of paper near the job site, set the system to
the regeneration disable to prevent fire hazards due to highly heated exhaust gas during the after-
treatment devices regeneration.
EXPLANATION OF COMPONENTS OPERATION
3-36
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