Cab, Instruments and Controls
44
J. AIR PRESSURE GAUGE, CIRCUITS 1
The air pressure gauge indicates the air pressure in the reservoirs of one of the
service brake circuits. If the pressure in one of the circuits drops below 65 psi
(448.15 kPa), an audible alarm is generated and the warning symbol "Air system
pressure too low" will illuminate in the master display. When the pressure is higher
than 66.5 psi (458.5 kPa), the brakes can be released with the parking brake lever.
The audible alarm and warning symbol are only generated when the ignition key is
on. The gauge also operates when the ignition key is off.
The vehicle must not be driven when the audible alarm sounds or when the
pressure in one of the circuits is lower than approx. 65 psi (448.15 kPa).
NOTE
The air pressure warning will be activated when primary or secondary air
systems drops below 65 psi.
K. OUTSIDE TEMPERATURE AND CLOCK
The display is activated when the contact is on.
The clock is shown in the top section of the display.
The outside temperature is displayed in the bottom section in degrees C or
degrees F.
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