ENGINE COOLANT TEMPERATURE CAUTION LAMP
Engine coolant temperature caution lamp warns about states
caused by engine coolant temperature.
When abnormal
The caution lamp lights up in red and indicates action level
“L02”.
The engine coolant temperature is abnormally high.
While this monitor is lit, the overheat prevention system is auto-
matically actuated and the engine speed drops.
Stop operations and run it at low idle until the caution lamp
changes to the normal display colour (blue) at an proper tem-
perature.
When temperature is low
The caution lamp lights up in white.
The engine coolant temperature is low.
The engine needs to be warmed up.
Perform the warm-up operation for the engine until the caution lamp changes to the normal display colour (blue)
at an proper temperature.
When temperature is correct
The caution lamp lights up in blue.
HYDRAULIC OIL TEMPERATURE CAUTION LAMP
The hydraulic oil temperature caution lamp warns about states
of hydraulic oil temperature.
When abnormal
The caution lamp lights up in red and indicates action level
“L02”.
The hydraulic oil temperature is abnormally high.
Stop operations, and stop the engine or run it at low idle until
the caution lamp changes to the normal display colour (blue) at
an correct temperature.
When temperature is low
The caution lamp lights up in white.
The hydraulic oil temperature is low.
It is necessary to warm up the hydraulic component.
Perform the warm-up operation for the hydraulic component until the caution lamp changes to the normal dis-
play colour (blue) at an correct temperature.
When temperature is correct
The caution lamp lights up in blue.
EXPLANATION OF COMPONENTS
OPERATION
3-22
Содержание PC1250-11
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Страница 11: ...Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVELS 1 9...
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Страница 67: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
Страница 73: ...REMARK The above figure does not show all of the caution lamp symbols OPERATION GENERAL VIEW 3 7...
Страница 317: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 377: ...Boom d Left side e Right side f Head side g Foot side MAINTENANCE MAINTENANCE PROCEDURE 4 61...
Страница 378: ...Arm h Left side i Right side MAINTENANCE PROCEDURE MAINTENANCE 4 62...
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Страница 401: ...SPECIFICATIONS 5 1...
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Страница 435: ...REPLACEMENT PARTS 7 1...
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Страница 452: ...PC1250 11 PC1250SP 11 HYDRAULIC EXCAVATOR Form No EENAM03651 2018 KOMATSU All Rights Reserved Printed in Belgium 06 2018...