Komatsu PC2000-8 Operation & Maintenance Manual page 81

Hydraulic excavator
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OPERATION
Charge Level Monitor
Monitor (1) warns the operator of an abnormality in the charg-
ing system while the engine is running.
If the battery is not being charged properly while the engine is
running, monitor lights up red.
If monitor lights up red, check the V-belt for looseness. If any
abnormality is found, perform the necessary actions. For
details, see "OTHER TROUBLE (3-246)".
Fuel Level Monitor
Monitor (2) lights up to warn the operator the fuel level in the
tank is low.
When the remaining amount of fuel in the tank goes down to
approx. 200 liter, the monitor portion lights up red, so add fuel
quickly.
Air Cleaner Clogging Monitor
Monitor (3) warns the operator of a clogged air cleaner.
If the monitor lights up red, stop the engine, inspect and clean
the air cleaner.
Engine Coolant Temperature Monitor
If this monitor (4) shows low-temperature display (A), carry out
the warming-up operation. For details, see "Engine Warm Up
(3-193)".
Monitor (4) will show normal display (B), so carry out the warm-
ing-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
DETAILED CONTROLS AND GAUGES
3-15

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