Komatsu D65EX-12 Operation & Maintenance Manual page 58

OPERATION
EXPLANATION OF COMPONENTS
TRANSMISSION OIL TEMPERATURE GAUGE
This meter (3) shows transmission lubrication oil temperature.
The temperature is normal, if the needle remains in the green
range while in operation. If the needle goes into the red range
while operating, stop the machine and let the engine idle with
middle rpm and wait until the needle drops to the green range.
CHARGE LAMP
This lamp (4) indicates a malfunction of the alternator. When
the starting switch is turned ON, it will light up, but it should go
out as the engine speed rises.
If the lamp lights up during operation, stop the engine and
check the V-belt tension. If any abnormaility is found, see
"OTHER TROUBLE (PAGE 3-116)"
ENGINE HYDRAULIC OIL TEMPERATURE CAUTION LAMP
This lamp (5) warns that the engine lubricating oil pressure has
dropped. When the starting switch is turned ON, it will light up.
When the lamp goes off after the engine is started, the oil pres-
sure is normal.
When the lamp lights up during operation, oil pressure is to low.
Immdediately stop the engine and look for the cause. For
details, see "OTHER TROUBLE (PAGE 3-116)"
GLOW SIGNAL
This signal (6) informs the operator that the electrical heater is
red hot.
When the starting switch is held at the HEAT position, the glow
plug becomes red hot in approx. 15 - 45 seconds.
When the key in the starting switch is released, it returns to the
OFF position and the heat goes out.
3-11