OPERATION DETAILED CONTROLS AND GAUGES
3-19
Engine Coolant Temperature Monitor
Monitor (1) warns operator that the engine coolant temperature
has risen.
If the engine coolant temperature becomes abnormally high,
the monitor shows abnormal display (C). The overheat preven-
tion system is automatically actuated and the engine speed
drops.
Stop operations and run the engine at low idling until monitor
(1) shows normal display (B).
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
Hydraulic Oil Temperature Monitor
This monitor (2) warns the operator that the hydraulic oil tem-
perature has risen.
If the hydraulic oil temperature becomes abnormally high,
abnormality display (C) is shown.
Stop operations and stop the engine or run it at low idling until
the monitor changes to normal display (B).
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
Engine Oil Pressure Monitor
This monitor (3) warns the operator that the engine oil pressure
has dropped. If there is an abnormal drop in the engine oil
pressure, the abnormal low-pressure display (B) is given. Stop
the engine, and check the lubricating system, oil level in the oil
pan, etc.
Correct pressure display (A): Monitor background (C) is blue
Abnormal low-pressure display (B): Monitor background (C) is
red
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