Komatsu D61EX-24 Operation & Maintenance Manual page 73

EXPLANATION OF COMPONENTS OPERATION
HST OIL PRESSURE CAUTION LAMP
HST caution lamp warns about abnormality of HST oil pres-
sure.
When oil pressure is low
The caution lamp lights up in red, and action level "L02" is dis-
played.
The alarm buzzer sounds intermittently.
Stop operations, and run the engine at low idle or stop the en-
gine until the caution lamp goes out.
If the caution lamp does not go out, ask your Komatsu distribu-
tor for inspection and maintenance.
HST OIL FILTER CLOGGING CAUTION LAMP
HST oil filter clogging caution lamp warns about clogging of the
HST oil filter.
When clogged
The caution lamp lights up in red, and action level "L02" is dis-
played.
The alarm buzzer sounds intermittently.
HST filter is clogged.
Stop the engine, and replace the HST oil filter cartridge with a
new one.
For replacement of the filter element, see "METHOD FOR
CHANGING OIL IN HYDRAULIC TANK, REPLACING HYDRAULIC OIL FILTER ELEMENT, REPLACING HST
OIL FILTER CARTRIDGE, AND CLEANING HYDRAULIC TANK STRAINER".
If the caution lamp does not go out, ask your Komatsu distributor for inspection and maintenance.
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