ENGINE OIL PRESSURE CAUTION LAMP
Engine oil pressure caution lamp warns about low engine lubri-
cating oil pressure.
If the engine oil pressure drops below the specified value while
the engine is running, the caution lamp lights up in red and ac-
tion level “L03” is displayed.
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.
ENGINE OIL LEVEL CAUTION LAMP
Engine oil level caution lamp warns about drop of engine lubri-
cating oil level.
It displays only while the engine is stopped.
If the caution lamp lights up in yellow and action level “L01” is
displayed, check the oil level in the oil pan and add oil.
See “METHOD FOR CHECKING OIL LEVEL IN ENGINE OIL
PAN, ADDING OIL (3-156)”.
If the oil level drops again in a short time, the engine oil may be
leaking. Ask your Komatsu distributor for inspection and repair.
ENGINE OVERRUN CAUTION LAMP
The engine overrun caution lamp warns the operator that the
engine speed is higher than the allowable range.
When the caution lamp lights up in red, the centralized warning
lamp lights up and the alarm buzzer sounds intermittently.
If the engine speed increases more, action level “L02” is dis-
played.
Operate the machine with moderate engine speed and travel
speed.
RADIATOR COOLANT LEVEL CAUTION LAMP
Radiator coolant level caution lamp warns about drop of radia-
tor coolant level.
If the caution lamp lights up in yellow and action level “L01” is
displayed, check the coolant level in the reservoir tank and add
coolant.
See “METHOD FOR CHECKING COOLANT LEVEL, ADDING
COOLANT (3-155)”.
If it occurs again in a short time, the coolant may be leaking
from the radiator. Ask your Komatsu distributor for inspection
and maintenance.
EXPLANATION OF COMPONENTS
OPERATION
3-30
Содержание HM400-5
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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 ...