Wrightbus NBFL 2013 - Page 43

Revision 1.0 - 12/08/2013 43
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Starting And Driving
Engine
Engine Operation
 Shut the engine off if the oil pressure
warning light or coolant temperature
warning light comes on.
Most failures give an early warning.
Look and listen for changes in performance,
sound, or engine appearance that can indicate
service or engine repair is needed.
Some changes to look for are:
 Engine misfire.
 Excessive smoke.
 Vibration.
 Loss of power.
 Unusual engine noise.
 Fuel, oil or coolant leaks.
 An increase in fuel consumption.
 Sudden changes in engine operating
temperature or oil pressure.
Check list before moving off
 Check that the air pressure reading
on the display is 5.5 bar or higher.
 Check that the engine is idling satisfactorily.
 See that no warning lights are showing
except the handbrake.
Caution
Continuous operation with low coolant,
temperature below 60°C or high coolant
temperature above 100°C can damage the
engine.
Speed Control Humps
It is important to recognise that there
should be a normal maximum speed of
operation over speed control humps, consistent
with ensuring the long term durability of the
vehicle and passenger comfort. It is recommended
that a maximum of 10mph is not exceeded over
speed control humps.
Where vehicles are consistently driven
over traffic calming devices at speeds in
excess of 10mph, the long term durability
of the vehicle may be adversely affected.
Speed Control Humps
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