OPERATION DETAILED CONTROLS AND GAUGES
3-25
Gauges and Meter 3
Engine Coolant Temperature Gauge
This meter (6) shows the engine coolant temperature.
The indicator should be in the green range during operations.
If the indicator enters the red range during operations, the over-
heat prevention system is actuated.
q (A) - (B): Red range
q (A) - (C): Green range
q (C) - (D): White range
The overheat prevention system is actuated as follows.
Red range (A) position: Engine coolant temperature monitor (1)
shows abnormality display
Red range (B) position: Engine speed changes to low idling,
engine coolant temperature monitor (1) shows abnormality dis-
play, alarm buzzer sounds at same time
The overheat prevention system continues to work until the
indicator enters the green range.
When the engine is started, if the indicator is in the (C) - (D)
range, engine coolant temperature monitor (1) shows the low-
temperature display.
If this happens, carry out the warming-up operation. For
details, see “AFTER STARTING ENGINE (3-192)“.
Display (A) at low temperatures: Monitor background (D) is
white
Display (B) at correct temperatures: Monitor background (D) is
blue
Display (C) when condition is abnormal: Monitor background
(D) is red
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