19
High oil temperature
This lamp is fitted on buses with automatic transmission.
(Buses with G8 EGS gearboxes have a similar
the same position on the lamp panel. Read about the func-
tion of the lamp in the chapter ”If anything happens”.)
The lamp will go on if the oil temperature in the gearbox gets
too high.
Reduce speed or disengage the retarder if the lamp goes
on. If the temperature still does not drop, you must stop the
bus. Engage neutral and raise the engine speed for a few
seconds. If the temperature does not drop immediately, the
oil level may be too low or there may be a fault in the gear-
box oil cooling.
Instruments and controls
Transmission
50
70
90
110
170
150
Oil temperature gauge
Fitted on buses with ZF automatic gearbox.
Indicates oil temperature in °C. Normal oil temperature is
90–100°C. The temperature normally rises when the re-
tarder is used.
Measures when oil temperature too high: see above.
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