REMARK
• When 1 type of alarm is generated, it is displayed on caution lamp (A).
• When 2 types of alarm are generated, they are displayed on caution lamps (A) and (B).
• When 3 types of alarm are generated, they are displayed on caution lamps (A) and (B) alternately at inter-
vals of 2 seconds.
STEERING SYSTEM CAUTION LAMP
The steering system caution lamp warns about abnormality in
the steering system.
If the caution lamp lights up in yellow and action level “L01” is
displayed, always perform inspection and maintenance after
the operation is finished.
Ask your Komatsu distributor for the inspection and mainte-
nance as needed.
STEERING OIL PRESSURE CAUTION LAMP
The steering oil pressure caution lamp warns the operator that
the steering oil pressure is below the specified value.
When action level “L03” is displayed
If the steering oil pressure drops below the specified value
while the engine is running, the caution lamp lights up in red.
At the same time, the centralized warning lamp lights up and
alarm buzzer sounds intermittently.
Stop the operation, move the machine to a safe place, stop the
engine, then ask your Komatsu distributor for inspection and
maintenance.
Action level is not displayed and lamp lights up in red
When the engine is started, the caution lamp lights up in red until the steering oil pressure rises above the
specified value.
At the same time, the centralized warning lamp lights up and alarm buzzer sounds intermittently.
Wait until the caution lamp goes out, and then start the machine.
Action level is not displayed and only lamp lights up in yellow
If the steering oil pressure is below the specified value while the engine is stopped, the caution lamp lights up in
yellow.
STEERING OIL TEMPERATURE CAUTION LAMP
The steering oil temperature caution lamp warns about over-
heating of the steering oil.
If the steering oil temperature increases abnormally high, the
caution lamp lights up in red and action level “L02” is displayed.
At the same time, the centralized warning lamp lights up and
alarm buzzer sounds intermittently.
Place the machine in a safe place, set the gear shift lever to
NEUTRAL position (N), and run the engine at a medium speed
under no load until the caution lamp goes out.
OPERATION
EXPLANATION OF COMPONENTS
3-23
Содержание HM400-5
Страница 2: ......
Страница 23: ...LOCATION OF SAFETY LABELS SAFETY SAFETY LABELS 2 5 ...
Страница 24: ...SAFETY LABELS SAFETY 2 6 ...
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Страница 61: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1 ...
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Страница 323: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1 ...
Страница 409: ...SPECIFICATIONS 5 1 ...
Страница 411: ...SPECIFICATIONS SPECIFICATIONS 5 3 ...
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Страница 413: ...ATTACHMENTS AND OP TIONS Before reading this chapter read and understand the SAFETY 6 1 ...
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Страница 431: ...REPLACEMENT PARTS 7 1 ...
Страница 446: ...HM400 5 ARTICULATED DUMP TRUCK Form No EENAM03380 2015 KOMATSU All Rights Reserved Printed in Belgium 09 2015 ...