speed due to its inertia, thus resulting in quick
burnout of rotor shaft, bearing and sealing ring
because of oil shortage.
c. Before starting the engine which has been
withdrawn out of service for a long time, always
pre-lubricate the supercharger by removing the
supercharger oil inlet pipe and adding appropriate
amount of clean lubricant from the filler port.
Otherwise, the initial start-up will lead to parts early
wear due to oil shortage.
3.6.3 Engine shutdown
When the vehicle runs downhill, press down the
exhaust brake switch or depress the exhaust brake
pedal, and then the engine oil supply will be cut off
for exhaust braking.
The engine may be overheated after it runs
overloaded, and in this case, the engine should be
shut down after running at idle speed for 2-3 min.
3.7 Start-up and gearshift
3.7.1 Start-up
If the engine is started, and the low pressure
indicator is on and the buzzer keeps sounding, do not
release the brake handle to start the vehicle until the
inflation pressure reaches 0.55 MPa (5.5 bar), low
pressure alarm indicator is off and the buzzer stops
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