C4-C5XL MK3 O&S
2-4
C4000MK3-OM-EN-11
Water Temperature gauge
This gauge Monitors the temperature of the engine
cooling system
The truck must not be operated if the gauge pointer
moves to the red area as this indicates a fault in the
cooling system
Hour Meter
The hour meter records how many hours the truck has
been operating for in hours and tenths of an hour.
Use meter to determine maintenance intervals
Oil Pressure Indicator Light
When the key switch is in the ‘ON’ position, with the
engine at rest, the oil pressure indicator is illuminated.
If the indicator is illuminated when the engine is ‘running’
then this indicates low engine oil pressure and/or
insufficient oil in the sump.
Battery Charge Indicator Light
This charging lamp indicates whether the alternator is
charging the system or not. With the key switch turned
ON and the engine not running, this red charge lamp
should illuminate.
If the charging lamp remains illuminated with the engine
running, it indicates a malfunction of the charging
system or associated components.
Pre-Heat Indicator Light – (diesel engines)
The Pre-heat indicator is a lamp connected to the glow
plugs on the diesel engine.
When operating in cold conditions, wait until the pre-
heat indicator extinguishes before attempting to start
engine
Note
Do NOT run engine if oil pressure indicator is illuminated.
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