Caution Monitors - Komatsu PC450-8 Operation & Maintenance Manual

OPERATION

Caution Monitors

If the warning monitor lights up red, stop operations as soon as possible and perform inspection and
maintenance of the applicable location. If the warning is ignored, it may lead to failure.
These are items that should be observed while the engine is running. If any abnormality occurs, the screen dis-
plays the item that needs immediate action.
If there is an abnormality, the monitor for the abnormal location lights up red.
(1) Engine coolant temperature monitor
(2) Hydraulic oil temperature monitor
(3) Fuel level monitor
Engine Coolant Temperature Monitor
If this monitor (1) shows low-temperature display (A), carry out
the warm-up operation. For details, see "Engine Warm Up (3-
131)".
Monitor (1) will show normal display (B), so carry out the warm-
up operation for the engine.
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
CAUTION
(4) Charge level monitor
(5) Air cleaner clogging monitor
(6) Overload caution
DETAILED CONTROLS AND GAUGES
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