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Komatsu D37EX-21 - Meter Group

Komatsu D37EX-21
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OPERATION EXPLANATION OF COMPONENTS
3-11
METER GROUP 3
ENGINE COOLANT TEMPERATURE GAUGE
NOTICE
If the coolant temperature gauge often enters red range (C), check the radiator for clogging.
Gauge (1) indicates temperature of the engine coolant.
If the temperature is normal during operation, green range (B)
will light.
If red range (C) lights during operation, move the fuel control
lever to lower engine speed tp approx. 3/4 of the full speed,
and run until the coolant temperature enters green range (B).
If red range (C) lights up during operation, and the engine cool-
ant temperature caution lamp flashes and the alarm buzzer
sounds, stop the machine, run the engine at low idle, and wait
for the coolant temperature to return to green range (B).
(A): White range
(B): Green range
(C): Red range
(1) Engine coolant temperature gauge (6)
Display panel A (Speed range, Set travel speed,
Shift mode Indicator)
(2) HST oil temperature gauge
(3) Fuel level gauge (7) Display panel B (Multi-information)
(4) Engine preheating pilot lamp (8) Reverse travel speed setting switch
(5) Reverse travel speed indicator (9) Shift mode switch

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